K.C.Wickramasinghe, H.Sasahara,
Ultra-Fine Bubbles (UFB) Inserted Novel Coconut oil based Metalworking Fluid (MWF) as a Sustainable Lubricant for Turning of Ti-6Al-4V,
Proceedings of the ASME 2022 17th International, Manufacturing Science and Engineering Conference (MSEC202), West Lafayette, Indiana, USA (2022.6.27-2022.7.1) [MSEC2022-85026]
K.Okita, D.Yamamoto, T.Otsuki, T.Koga, H.Sasahara,
Relation Between Frequency Analysis Results of Profile Curves of Machined Surface by Ball End Mill and Sensory Scale Measured by Thurstone Method,
Proc International Symposium on Flexible Automation 2022, July 2022, Yokohama(2022.7.3-7) [ISFA2022-006]
Junjie He, H.Sasahara,
Experimental Investigation about The Microstructure of Joint Area between Layers on Thin Wall Part via Laser Metal-Wire Deposition,
Proc International Symposium on Flexible Automation 2022, July 2022, Yokohama(2022.7.3-7) [ISFA2022-060]
K.C.Wickramasinghe, H.Sasahara,
Smart machining approach for turning Ti-6Al-4V through Ultra fine bubble injected sustainable lubricant,
Proc. 19th International Conference on Precision Engineering, November 2022, Nara (2022.11.28-12.2) C038
Y.Ochi, M. Usui, H.Sasahara,
REdustion of Drilling Force on Reverse Finishing of Aluminum Alloys,
Proc. 19th International Conference on Precision Engineering, November 2022, Nara (2022.11.28-12.2) C067
H.Nagamatsu, K.Nakajima, M.Usui, T.Abe, H.Sasahara,
Improvement of joint strength of wire and arc additive manufactured titanium and aluminum dissimilar alloys,
Proc. 19th International Conference on Precision Engineering, November 2022, Nara (2022.11.28-12.2) C235
K.Okada, T.Otsuki, H.Sasahara,
High-speed, high-accuracy and low-vibration machining of polygonal shapes by NC parameter adjustment based on design of experiments,
Proc. 19th International Conference on Precision Engineering, November 2022, Nara (2022.11.28-12.2) C200
M.Kawabata, T.Sasaki, K.Wada, S.Kanemaru, Y.Nomura, H.Sasahara,
Effect of electrode rotation speed on material deposition stability in WAAM with a rotary TIG torch,
Proc. 19th International Conference on Precision Engineering, November 2022, Nara (2022.11.28-12.2) C211
Y.Kamada, H.Sasahara,
Suppression of regenerative chatter vibration orthogonal to cutting feed direction by Low Frequency Vibration-cutting,
Proc. 19th International Conference on Precision Engineering, November 2022, Nara (2022.11.28-12.2) C246
H.Nagamatsu, H.Sasahara, T.Abe,
Microstructure and welding penetration of wire and arc additive manufactured Pure Titanium and A5356 dissimilar alloys using cold metal transfer welding,
euspen’s 21st International Conference & Exhibition, Copenhagen, DK, June 2021, Online (2021.6.7-11) P71.
K.C.Wickramasinghe, H.Sasahara,
The influence of the Ultra Fine Bubble (UFB) inserted Coconut oil based metalworking fluid (MWF) on tool wear modes and mechanisms in turning of Inconel 718,
Proc. 10th LEM21, Kitakushu. November 2021, Online (2021.11.15-17) C01, pp.175-180.
Y.Ochi, M.Usui, H.Sasahara,
Introducing Compressive Residual Stress on Machined Surface of Aluminum Alloys A6061 and A7075 by Reverse Finishing,
Proc. 10th LEM21, Kitakushu. November 2021, Online (2021.11.15-17) C10, pp.208-213.
S.Kondo, T.Iwakawa, M.Kikuchi, Y.Ito and H.Sasahara,
Fundamental characteristics of rubber-bonded grinding wheel,
Proc. 10th LEM21, Kitakushu. November 2021, Online (2021.11.15-17) D02, pp.176-162.
Y.Ito, Y.Kita, Y.Fukuhara, M. Nomura, H.Sasahara,
In-process measurement of grinding surface temperature and surface pattern,
Proc. 10th LEM21, Kitakushu. November 2021, Online (2021.11.15-17) D05, pp.276-281.
Y.Kita, Y.Ito, H.Sasahara,
The effect of cold air supply from inside of thin-walled grinding wheel in CFRP end face finishing,
Proc. 10th LEM21, Kitakushu. November 2021, Online (2021.11.15-17) D06, pp.282-286.
T.Shimada, H. Nagamatsu, T.Abe, .Kaneko, H.Sasahara,
Mechanical properties and joining state in wire and arc additive manufacturing of Al-Si/Mg-Al-Zn dissimilar alloys,
Proc. 10th LEM21, Kitakushu. November 2021, Online (2021.11.15-17) F05, pp.435-439.
He Junjie, K.Noriyama, H.Sasahara,
Microstructure and residual stress distribution of Ti6Al4V alloy via laser metal wire deposition with double laser irradiation head,
Proc. 10th LEM21, Kitakushu. November 2021, Online (2021.11.15-17) F06, pp.440-443.
K.C Wickramasinghe, H.Sasahara, U.Masatoshi,
Performance Evaluation of White Coconut Oil Based MetalWorking Fluid (MWF) under Minimum Quantity Lubrication (MQL) for Machining of Inconel 718 and AISI304,
Proceedings of the JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing LEMP2020, Cincinatti, OH, USA (2020.6. 22-26), LEMP2020-8535.
K.C Wickramasinghe, H.Sasahara,
Sustainable Metalworking Fluid (MWF) for high performance machining of difficult to cut materials,
ICP '20 International Workshop on Innovations in Cleaner Production. ISBN: 978-1-912532-18-6
Y.Kamada, H.Sasahara,
Residual stress characteristics on machined surface machined by Low Frequency Vibration-cutting,
Proc. ICPE2020, Online (2020.11.23-27) [B-1-9]
K.C.Wickramasinghe, H.Sasahara,
Empirical investigation and Modelling of Work Tool interface Temperature in machining of Inconel 718 under different cooling conditions,
Proc. ICPE2020, Online (2020.11.23-27) [B-1-12]
M.Makino, K.Utsumi, H. Sasahara,
Chatter Vibration and Machined Surface Properties in Turn-milling,
Proc. ICPE2020, Online (2020.11.23-27) [B-1-21]
Y.Kita, Y.Ito, H.Sasahara,
Grinding CFRP with Cold Air Supply from inside of Thin Walled Electrodeposited Grinding Wheel,
Proc. ICPE2020, Online (2020.11.23-27) [B-2-5]
M.Kawabata, M.Nomura, Y.Ito, H.Sasahara,
Effect of a coolant supply assist sheet included in a woven metal wire tool with electrodeposited diamond grains on CFRP core drilling,
Proc. ICPE2020, Online (2020.11.23-27) [B-2-7]
H.Masuda, H.Sasahara,
Molding on Curved Surface in WAAM by Shape Monitoring and Feedback,
Proc. ICPE2020, Online (2020.11.23-27) [B-5-16]
R.Imoto, T.Tsurumaki, Y.Yamamoto, K.Noriyama, H.Sasahara,
Optimization of the Fabricating Conditions on Laser Metal-wire Deposition using Ti-6Al-4V,
Proc. ICPE2020, Online (2020.11.23-27) [B-5-15]
M.Kawabata, M.Nomura, Y.Nomura, H.Sasahara,
Effect of a coolant supply assist sheet included in a woven metal wire tool with electrodeposited diamond grains on CFRP core drilling,
Proc. ICPE2020, Online (2020.11.23-27) [B-2-7]
R.Kobayashi1, N.Fujita1, H.Nagamatsu, H.Sasahara,
Fabrication of Ni/Co based functionally graded materials with WAAM,
Proc. ICPE2020, Online (2020.11.23-27) [B-5-17]
H.Nagamatsu, A.Pagliai, H.Sasahara,
Influence of processing conditions on porosity in WAAM-block structures with aluminum alloy,
Proc. ICPE2020, Online (2020.11.23-27) [B-5-20]
K.C Wickramasinghe, G.I.P. Perera, Himan KG Punchihewa and H.Sasahara,
Surface Quality Evaluation of 0.2% C and AISI 304 Steels in Turning with Sustainable lubricating Condition,
Proc. 8th International Conference on Manufacturing, Machine Design and Tribology (ICMDT2019) (2019.4. 24-27), Kagoshima, Japan, FR-A-2-2．
M.Kawabata, R.Koyasu and H.Sasahara,
Application of Rough Grinding Wheel and Slant Feed Grinding to High Efficiency Machining of CFRP with Coolant Supplying from Inside of Grinding Wheel,
Proc. 8th International Conference on Manufacturing, Machine Design and Tribology (ICMDT2019) (2019.4. 24-27), Kagoshima, Japan, FR-A-2-5.
Y.Takada and H.Sasahara,
Improvement of the surface roughness on the friction stir burnishing,
Proc. 19th Int. Conf. EUSPEN, Bilbao, Spain (2019.6), pp.94-97.
T.Abe, J.Kaneko, H.Sasahara,
Deposited metal shape control based on n umerical simulation for wire arc additive manufacturing,
Proc. 8th Int. Conf. ASPEN, Matsue, (2019.11) A33 USB.
N.Fujita, K.Takada1 and H.Sasahara,
Metal Additive Manufacturing of Aluminum Alloy by Friction Surfacing,
Proc. 8th Int. Conf. ASPEN Matsue, (2019.11) A35 USB.
H.Nagamatsu and H.Sasahara,
Double-weld-overlay cladding to make an undiluted surface on drical-outer layer using stainless steel and Ni-based wire,
Proc. 8th Int. Conf. ASPEN Matsue, (2019.11) A36 USB.
K.C.Wickramasinghe, I.Perera, H.Punchihewa, H.Sasahara,
Investigation of the Chip Curl Radius of 0.2% C and AISI 304 Steel during Turning under Sustainable Lubricant,
Proc. 8th Int. Conf. ASPEN, Matsue, (2019.11) E09 USB.
M.Kawabata, R.Koyasu, H.Sasahara,
High-Efficiency Grinding of CFRP with Coolant Supplying from Inside of Grinding Wheel，
Application of Rough Grinding Wheel, Proc. ISAAT 2019, Shenzhen, China (2019.12.6-9) USB A17.
Y.Kamada and H.Sasahara,
Simulation of Chatter Vibration in Low Frequency Vibration-cutting,
Proc. ISAAT 2019, Shenzhen, China (2019.12.6-9) USB C17.
T.Abe, H.Sasahara,
Fabrication of Lattice Structures by Wire and Arc-based Additive Manufacturing,
Proc. 18th Int. Conf. EUSPEN, Venice, Italy (2018.6), pp.279-280.
K.Utsumi, S.Shichiri, S.Kayama, H.Sasahara,
Study on effect of lead and tilt angle of tool on cutting force and tool wear in turn milling,
Proc. 18th Int. Conf. EUSPEN, Venice, Italy (2018.6), pp.355-356.
K.Matsubara, T.Kimura, H. Sasahara,
Optimization of grinding conditions for small diameter hole to achieve higher performance of linear solenoid,
Proc. 18th Int. Conf. EUSPEN, Venice, Italy (2018.6), pp.279-280.
S.Shichiri, K.Utsumi, H.Sasahara,
Effect of tool posture for tool wear on turn-milling,
Proc. ISFA2018, Kanazawa, Japan (2018.7), USB#18.
T.Tsurumaki, S. Tsukamoto, H.Chibahara, H.Sasahara,
Precise fabrication and cutting of wall structure to repair the thin end of plate using interlayer temperature monitoring on wire and arc-based additive manufacturing,
Proc. ISFA2018, Kanazawa, Japan (2018.7), USB#22.
S.Toyokawa, N.Nakatsuka, A.Kusakabe, H.Sasahara,
Surface Characteristic on Curved Grinding of Titanium Alloy with Coolant Supplying from Inner Side of Grinding Wheel,
Proceedings of 2018 International Conference on Machining, Materials and Mechanical Technologies (IC3MT) (2018.9.19-22), Rex Hotel, Ho Chi Minh City, Vietnam, Paper ID 2329.
N.Nakatsuka, S.Toyokawa, A.Kusakabe, S.Nakatsukasa, H.Sasahara,
Effect of the Type of Grinding Wheel on the Surface Characteristic of Titanium Alloy with Internal Coolant Supply,
Proceedings of 2018 International Conference on Machining, Materials and Mechanical Technologies (IC3MT) (2018.9.19-22), Rex Hotel, Ho Chi Minh City, Vietnam, Paper ID 2504.
S.Kojima, W.Takahashi, H.Sasahara,
Influence of machining conditions in turning-burnishing process on the finished surface,
Proc. 17th International Conference on Precision Engineering 2018 (ICPE2018) (2018.11.12-16), Kamakura, Paper ID B-1-13.
Y.Nishio, M.Usui,, H.Sasahara,
Evaluation of the Machined Surface Characteristics on Reverse Finishing of 0.45%C Steel,
Proc. 17th International Conference on Precision Engineering 2018 (ICPE2018) (2018.11.12-16), Kamakura, Paper ID B-1-14.
S.Horiuchi, H.Sasahara,
Grinding characteristics of Ni-Co-Cr-Mo Alloy with the coolant supplying from inner side of grinding wheel,
Proc. 17th International Conference on Precision Engineering 2018 (ICPE2018) (2018.11.12-16), Kamakura, Paper ID B-2-1.
H.Nagamatsu, J.Kinoshita, H.Sasahara,
Dissimilar metal deposition for a high purity deposited surface using TIG - MIG hybrid welding,
Proc. 17th International Conference on Precision Engineering 2018 (ICPE2018) (2018.11.12-16), Kamakura, Paper ID B-5-1.
T.Tsurumaki, Y.Yamamoto, K.Noriyama,, H.Sasahara,
Optimization of the Additive Fabrication Conditions on Laser Metal-wire Deposition using Copper Alloy,
Proc. 17th International Conference on Precision Engineering 2018 (ICPE2018) (2018.11.12-16), Kamakura, Paper ID B-5-2.
H.Sasahara, M.Goto, W.Takahashi, H. Yamamoto, T.Muraki,
Chip Adhesion and Tool Wear in Driven Rotary Cutting,
Proc. ASME 2017 12th Int. Manuf. Sci. and Eng. Conf. MSEC2017, June 4-8, 2017, Los Angeles, CA, USA (MSEC2017-2958)
T.Otsuki, H.Sasahara, R.Sato,
An Evaluation Method for the Speed and Accuracy, of CNC Machine Tool,
Proc. 9th Int. Conf. on LEM21, Hiroshima (2017.11.14-16) (USB #034)
T.Abe, H.Sasahara,
Development of the shell structure building simulator with two-dimensional bead model for wire and arc-based additive manufacturing,
Proc. 9th Int. Conf. on LEM21, Hiroshima (2017.11.14-16) (USB C19)
T.Tsurumaki, H.Chibahara, S.Tsukamoto, H.Sasahara,
Precise Fabrication of Wall Structure onto Thin Plate End with Interlayer Temperature Monitoring on Wire and Arc-based Additive Manufacturing,
Proc. 9th Int. Conf. on LEM21, Hiroshima (2017.11.14-16) (USB C20)
T.Yoshioka, H. Sasahara,
Minimization of Thermal Distortion on Wire and Arc-based Additive Manufacturing on the Shaft,
Proc. 9th Int. Conf. on LEM21, Hiroshima (2017.11.14-16) (USB C22)
T.Kimura, H.Sasahara, K.Matsubara, Z.Oda,
Study on High Efficiency of Impeller Machining with Taper Ball End Mill,
Advances in Abrasive Technology XX (Proc. ISAAT2017), Okinawa (2017.12.3-6) 846-851.
S.Toyokawa, N.Nakatsuka, A.Kusakabe, H.Sasahara,
Study on the residual stress on grinding of titanium alloy with coolant supplied from inner side of grinding wheel,
Advances in Abrasive Technology XX (Proc. ISAAT2017), Okinawa (2017.12.3-6) 972-977.
Filippo Montevecchi, Niccol? Grossi, Hisataka Takagi, Antonio Scippa, Hiroyuki Sasahara, Gianni Campatelli,
Cutting forces analysis in additive manufactured AISI H13 alloy, Procedia CIRP, 7th HPC 2016 - CIRP Conference on High Performance Cutting,
Chemnitz, Germany (2016.5.31) pp.476-479. doi: 10.1016/j.procir.2016.04.034
K.Matsubara, J.Tsuchimura, H.Sasahara,
Performance of small diameter grinding wheel with coolant supplying from its inner side,
Proc. 16th Int. Conf. EUSPEN, Nottingham, UK (2016.6) p.4,17.
A. Miyake, H. Sasahara, A. Kitakaze, S. Katoh, M. Muramatsu, K. Noguchi, K. Sannomiya, T. Nakaya,
Effect of Low Frequency Vibration Applied to Feed Direction on Turning Process,
Proc. ISFA2016, Cleveland, Ohio, U.S.A. (2016.8.1-3). doi: 10.1109/ISFA.2016.7790188
K. Nomura, N. Takeuchi, Y. Ito, Y. Takeda and H. Sasahara,
Effect of axial vibration on peripheral finishing of CFRP using woven metal wire tool with electrodeposited diamond grains,
Proc. 19th ISAAT, Stockholm, Sweden, (2016/10.2-5) pp.113-117.
R. Koyasu, K. Suzuki1, Y. Ito, Y. Fukuhara, Y. Takeda, M. Matsubara, H. Sasahara, Y. Yao and K. Nomura,
A newly developed woven metal wire tool with electrodeposited diamond grains and its application for CFRP core drilling,
Proc. 19th ISAAT, Stockholm, Sweden, (2016/10.2-5) pp.118-123.
T. Nakamura, H. Sasahara, S. Kusunose and I. Nishizaki,
Identification of Aluminum Alloy Flow Stress to Determine FEM Analysis Constitutive Equation for Machining Material,
Presented at Proc. 19th ISAAT, Stockholm, Sweden, (2016/10.2-5) (published in Materials Science Forum ISSN:0255-5476, Vol.874, pp.457-462, doi:10.4028/www.scientific.net/MSF.874.457)
Y. Fukuhara, S. Suzuki and H. Sasahara,
Effect of grinding wheel specifications on the grinding wheel surface temperature and the surface roughness for coolant supplying system from inter side of grinding wheel,
Proc.2nd IC3MT, Matsue, (2016/10/7-11) USB#27
Y. Sukegawa, H. Sasahara and Y. Yamada,
Characteristics of machined surface and tool failure on CFRP cutting by circular saw,
Proc.2nd IC3MT, Matsue, (2016/10/7-11) USB#80
Y. Hiratsuka, H. Sasahara and Y. Takada,
Effect of Tip Shape of Burnishing Tool on processed surface of S45C on Frictional Stir Burnishing,
Proc.2nd IC3MT, Matsue, (2016/10/7-11) USB#81
R.Koyasu, K. Suzuki and H.Sasahara,
High Quality Machining of the CFRP with Hyper Grinding,
Proc.2nd IC3MT, Matsue, (2016/10/7-11) USB#84
S. Takizawa, Y. Nakano, S. Tsukamoto and H. Sasahara,
Mechanical Property of the Fabricated Object Using Nickel-based Alloy in Wire and Arc-based Additive Manufacturing,
Proc.ICPE2016, Hamamatsu, (2016/11/14-16), USB# B104-8222.
H. Nagamatsu, Y. Mitsutake, T. Hamamoto and H. Sasahara,
Development of a Cooperative System with Wire and Arc-based Additive Manufacturing and Machining,
Proc.ICPE2016, Hamamatsu, (2016/11/14-16), USB# B105-8223.
Norfariza Wahab, Hiroyuki Sasahara, Shinnosuke Baba, Yuta Hiratsuka, Takashi Nakamura,
Development of High-speed Shearing Method to Obtain the Flow Stress under High Strain Rate,
Proc. 2015 1st Journal Conference on Modeling and Optimization, Phuket, Thailand, (2015.4), pp.109-113.
Hiroyuki Sasahara, Kazuya Mizobe, Susumu Hara, Norio Kushihashi and Shigemi Shindo,
Novel Machining Mthod to Fabricate a Large Size Turbine Disks with Mandrel Type Fixturing Jig and EDM on a Multi-tasking Machine,
Proc. 15th Int. Conf. EUSPEN, Leuven, Belgium (2015.6), pp.377-378.
K. Nomura, N. Takeuchi, A. Kusakabe, M. Chino and H. Sasahara,
Improvement of surface roughness with micro-axial vibration of spindle by pressure pulsation of grinding fluid supplied through inside of wheel,
Proc. 18th International Symposium on Advances in Abrasive Technology,
Jeju Island, Korea (2015.10.5) (Published as Advances Materials Research, 806 (2015) 673-677.）
Y. Fukuhara, S. Suzuki and H. Sasahara,
Development of in-process monitoring system for grinding wheel surface temperature and grinding state,
Proc.18th International Symposium on Advances in Abrasive Technology,
Jeju Island, Korea (2015.10.6) (Published as Advances Materials Research, 806 (2015) 624-629)
H. Takagi, T. Abe, H.Sannomiya, S. Nishiyama, S. Ohta, K. Nakamura, H. Sasahara,
Strength of laminated object of magnesium alloy fabricated by direct metal lamination using arc discharge,
Proc. 8th Int. Conf. on LEM21 (2015-10) CD-ROM B13.
K. Okamura, H. Sasahara,
Cutting edge temperature prediction on low-frequency vibration drilling considering real cutting time,
Proc. 8th Int. Conf. on LEM21 (2015-10) CD-ROM B30.
M. Goto, W. Takahashi, H. Yamamoto, H. Sasahara,
Effect of cutting fluid on chip adhesion and tool wear in driven rotary cutting,
Proc. 8th Int. Conf. on LEM21 (2015-10) CD-ROM B32.
Norfazillah Talib, M. Goto, H. Sasahara, Erween Abd. Rahim,
The performance of modified Jatropha oil as a sustainable metalworking fluid when high speed rotary machining,
Proc. 8th Int. Conf. on LEM21 (2015-10) CD-ROM B33.
Takeyuki Abe and Hiroyuki Sasahara,
Study on dissimilar metal fabrication with direct metal lamination by using arc discharge,
Proc. 14th Int. Conf. EUSPEN, Dubrovnik, Croatia (2014.6) Vol.1, pp.117-120.
Yohei Yamada and Hiroyuki Sasahara,
Curved-line cutting using flexible circular saw -inclination angle control of machined surface-,
Proc. 14th Int. Conf. EUSPEN, Dubrovnik, Croatia (2014.6) Vol.2, pp.255-258.
Yoshimasa Takada and Hiroyuki Sasahara,
On-demand surface enhancements by friction stir burnishing,
Proc. 14th Int. Conf. EUSPEN, Dubrovnik, Croatia (2014.6) Vol.2, pp.319-322.
Norfariza Wahab and Hiroyuki Sasahara,
Estimation of workpiece flow stress and friction for fem simulation of high-speed orthogonal cutting process using inverse calculation method,
Proc.ISCIE/ASME 2014 International Symposium on Flexible Automation, Awaji-island(2014.7) CD-ROM #106L. (ISBN 978-4-915740-57-2)
Yuusuke Yamada, Yoshimasa Takada and Hiroyuki Sasahara,
Effect of Rake Angle on the Finish Cutting of the Enhanced Layer Made by Frictional Stir Burnishing,
Proc. 15th ICPE 2014, Kanazawa (2014.7) pp. 57-60.
Yohei Yamada and Hiroyuki Sasahara,
Development of Multi-Axis Micro Sawing Machine for Free-Form Curves Cutting Using Flexible Circular Saw,
Proc. 15th ICPE 2014, Kanazawa (2014.7) pp. 114-117.
Norfariza Wahab and Hiroyuki Sasahara,
Estimation of workpiece flow stress and friction for FEM simulation of high-speed orthogonal cutting process,
Proc. 15th ICPE 2014, Kanazawa (2014.7) pp.184-187.
Masato Goto, Wataru Takahashi, Wataru Sasaki, Takeshi Toujyo, Yuji Takagi,Hiromasa Yamamoto and Hiroyuki Sasahara,
Effect of cutting conditions on tool wear in driven rotary cutting of maraging steel,Proc. IC3MT 2014, Taipei (2014.9) #166_0_0M
Hisataka Takagi, Takeyuki Abe, Hou Sai, Hiroyuki Sasahara,
Mechanical Properties Evaluation of Metal Component Repaired by Direct Metal Lamination,
Proc. IC3MT 2014, Taipei (2014.9) # 438_0_3_M.
Nagatoshi Nakatsuka, Yudai Hirai, Atushi Kusakabe, Yasuhiro Yao and Hiroyuki Sasahara,
Effect of coolant supplied through grinding wheel on residual stress of grinding surface,
Proc. 17th International Symposium on Advances in Abrasive Technology, Hawaii Island,
Hawaii (2014.9.23) (Published as Advances Materials Research, 1017 (2014) 33-37.
Kosaku Matsubara, Jun Tsuchimura, Shota Kawazoe and Hiroyuki Sasahara,
Form accuracy of internal grinding of small and deep holes with coolant supplied from inner side of grinding wheel,
Proc. 17th International Symposium on Advances in Abrasive Technology, Hawaii Island,
Hawaii (2014.9.23) (Published as Advances Materials Research, 1017 (2014) 50-54.
Norfariza Wahab and Hiroyuki Sasahara,
Development Of High-speedo Shear-Slitting Method Applicable for Estimation Of Workpiece Flow Stress For FEM Simulation,
ASME 2014 International Mechanical Engineering Congress & Exposition,
IMECE2014, November 8-13, 2014, Montreal, Quebec, Canada.）
Norfariza Wahab and Hiroyuki Sasahara,
Identification Of Friction Characteristics And Flow Stress Of 0.45% Carbon Steel During Cutting Process,
2014 International Conference on Applied Mechanics (ICOAM 2014), Xiamen, China, (2014.11), USB ICOA2014-2-01015.
Hiroyuki Sasahara, Kosuke Nagao, Kenichi Kumakura,
Micromachining of Glass with Ultrasonic-vibration Table,
Proc. 13th Int. Conf. EUSPEN, Berlin (2013.5) Vol.2, pp.76-79.
Erween Abd Rahim, Zazuli Mohid, Ahmad Fahmi Yusuf, Mohd Romadan Hamzah, Hiroyuki Sasahara, Rei Koyasu,
Investigation of End Mill Geometry when Helical Milling CFRP/ Al Stacks,
Proc. 7th Int. Conf. on LEM21 (20013.11) 13-17.
Yohei Yamada, Nobuyuki Osumi, Kazuya Hatakeyama and Hiroyuki Sasahara,
Evaluation of Machining Characteristics on CFRP Straight-Line Cutting Using Flexible Circular Saw,
Proc. 7th Int. Conf. on LEM21 (20013.11) 235-240.
Yuusuke Yamada, Yoshimasa Takada and Hiroyuki Sasahara,
Effect of Finish Cutting on the Mechanical Properties of the Enhanced Layer Made by Frictional Stir Burnishing,
Proc. 7th Int. Conf. on LEM21 (20013.11) 241-244.
Daichi Murakami, Takeshi Yashiro and Hiroyuki Sasahara,
Clarification of relationship between fiber orientation and tool wear in milling of CFRP,
Proc. 7th Int. Conf. on LEM21 (20013.11) 277-280.
Masaki Okuda, Hiroyuki Sasahara, Wataru Takahashi, Satoshi Kubota,
Soo-Young Kim, Evaluation of tool damage in rotary machining process using numerical simulation technique,
Proc. 7th Int. Conf. on LEM21 (2013.11) 428-431.
Takeyuki Abe, Hiroyuki Sasahara,
Control of the lamination height for accurate fabrication of shell structures by direct metal lamination using arc discharge,
The 5th International Conference of Asian Society for Precision Engineering and Nanotechnology (2013.11), #1073.
Norfariza Wahab, Yumi Inatsugu, Satoshi Kubota, Soo-Young Kim, and Hiroyuki Sasahara,
Identification of flow stress applicable for FEM simulation of orthogonal cutting process,
The 5th International Conference of Asian Society for Precision Engineering and Nanotechnology (2013.11) #1112.
Wataru Takahashi, Hiroyuki Sasahara , Hiromasa Yamamoto, Yuji Takagi,
FEM simulation on the effect of cutting parameters in the driven rotary cutting,
The 5th International Conference of Asian Society for Precision Engineering and Nanotechnology (2013.11), #1150.
Tomoko Kikuma, Rei Koyasu, Yasuhiro Yao and Hiroyuki Sasahara,
The Effects of the Internal Coolant Supply through Grinding Wheel on the Grinding of CFRP,
The 5th International Conference of Asian Society for Precision Engineering and Nanotechnology (2013.11), #1202.
Kan Ding, Hiroyuki Sasahara,
Study on the Machining of Iron-Based Thermal Spray Coating for Sleeveless Engine Cylinder,
Proc. International Conference on Manufacturing Science and Engineering (ICMSE 2012) (2012) pp 991-996.
Hiroyuki Sasahara, Kosuke Kuroda, Kai Xu and Hiroshi Matsuda,
Generation of Surface Pattern by using a Patch Division Milling and its Influence on the Flow-field around the AeroFoil,
Proc. 12th Int. Conf.EUSPEN, Stockholm (2012.6) pp.501-504.
Yohei Yamada, Nobuyuki Osumi, Akio Takasugi and Hiroyuki Sasahara,
Study on Curved-Line Cutting Using A Flexible Circular Saw,
Proc. ASPE 2012 Annual Meeting, Vol. 54 (2012.10) pp136-139.
Takeyuki Abe, Masato Katagiri, Hiroyuki Sasahara,
Accurate Fabrication by Improvement of Lamination Path on Direct Metal Lamination Using Arc Discharge,
Proc. ASPE 2012 Annual Meeting, Vol. 54 (2012.10) pp296-299.
Hiroyuki Sasahara and Mitsuru Shimomura,
FEM Analysis of the Effect of Sequential Cuts on Heat Partition in High-speed cutting,
Proc. ASPE 2012 Annucal Meeting, Vol. 54 (2012.10) pp445-448.
Kai Xu and Hiroyuki Sasahara,
Generation of Regularly Aligned Curved Surface Patches on Free-form Surface for Patch Division Milling,
Proc.ICPE 2012, Key Engineering Materials, Vols. 523-524 (2012) pp.54-57.
Zhi Li, Yasuhiro Yao, Keigo Nakae and Hiroyuki Sasahara,
Temperature Measurement of Surface Grinding Using a Fluid Supplying System from Inside of Grinding Wheel,
Proc.ICPE 2012, Key Engineering Materials, Vols. 523-524 (2012) pp.125-130.
Kai Xu and Hiroyuki Sasahara,
Generation of Regularly Aligned Micro Dimples on Curved Surface by Using Patch Division Milling, Proc.
6th Int. Conf. on LEM21 (20011.11) #3349，CD-ROM.
Erween Rahim and Hiroyuki Sasahara,
Drilling of Ti-6Al-4V with MQL and its FE Simulation, Proc.
6th Int. Conf. on LEM21 (20011.11)#3418, CD-ROM.
Erween Rahim, Takayuki Ogawa, Akihiko Miura, Hiroyuki Sasahara, Rei Koyasu, Yasuhiro Yao,
A Novel Approach to Evaluate the Delamination Factor of CFRP Hole, Proc.
6th Int. Conf. on LEM21 (20011.11) #3417, CD-ROM.
Erween Rahim, Takayuki Ogawa, Akihiko Miura, Hiroyuki Sasahara, Rei Koyasu, Yasuhiro Yao,
Ultrasonic Torsional Vibration Drilling of Aerospace Structure Material, Proc.
6th Int. Conf. on LEM21 (20011.11) #3252, CD-ROM.
Yohei Yamada, Nobuyuki Osumi, Akio Takasugi and Hiroyuki Sasahara,
Curved Line Cutting Using Flexible Circular Saw, Proc.
6th Int. Conf. on LEM21 (20011.11) #3269, CD-ROM.
Takeyuki Abe and Hiroyuki Sasahara,
Residual Stress and Deformation of Shell Structure Fabricated by Direct Metal Lamination Using Arc Discharge, Proc.
6th Int. Conf. on LEM21 (20011.11) #3274, CD-ROM.
Kentaro Satake, Hiromasa Yamamoto Hiroyuki Sasahara, Masaomi Tsutsumi, Toru Narita, and Toshiyuki Muraki,
Cutting Point Temperature and Its Effect on Tool Wears on Rotary Cutting under MQL Condition, Proc.
6th Int. Conf. on LEM21 (20011.11) #3275, CD-ROM.
Yoshimasa Takada and Hiroyuki Sasahara,
Surface Enhancement by Frictional Stir Burnishing using Flat Tip Tool, Proc.
6th Int. Conf. on LEM21 (20011.11) #3325, CD-ROM.
Takeshi Yashiro, Takayuki Ogawa and Hiroyuki Sasahara,
Cutting Temperature Measurement on Milling Process of CFRP, Proc.
6th Int. Conf. on LEM21 (20011.11) #3329, CD-ROM
Kan Ding, Syuuji Adachi, Kimio Nishimura, Satoru Kukino, Makoto Setoyama and Hiroyuki Sasahara,
Study on the Machinability of Thermal Spraying Cylinder Liner, Proc.
6th Int. Conf. on LEM21 (20011.11) #3308, CD-ROM
Kai Xu and Hiroyuki Sasahara,
Generation of Geometric Pattern on Triangle Pyramid Patches Approximating Curved Surface by Using Patch Division Milling, Proc.
The 6th International Conference on Micro Manufacturing ICOMM/2011, (2011.3.7-10) pp.201-206
Hiroyuki Sasahara, Takayuki Ogawa, Takeshi Yashiro,
Cutting Temperature Measurement on Milling Process of CFRP,
Proc. 4th CIRP Int. Conf. on High Performance Cutting , (2010.10.24-26) Vol.2, pp.255-258.
Hiromasa Yamamoto, Kentaro Satake, Hiroyuki Sasahara, Toru Narita, Masaomi Tsutsumi,
Toshiyuki Muraki,
Thermal Behavior and Tool Failures on High Speed and High Feed Rotary Cutting
of Difficult-to-cut Materials utilizing Multi-Tasking Lathe,
Proc. 4th CIRP Int. Conf. on High Performance Cutting , (2010.10.24-26) Vol.2, pp.7-12.
Yasuhiro Yao, Yohei Fuwa and Hiroyuki Sasahara,
Development of a Device for Coolant Supply from Inside of Grinding Wheel and its Application for Profile Machining of Difficult to Grinding Materials,
Proc. 4th CIRP Int. Conf. on High Performance Cutting, (2010.10.24-26) Vol.1, pp.417-420.
Erween Abd. Rahim, Hiroyuki Sasahara,
The Effect of MQL Fluids on the Drilling Performance of Nickel-Based Superalloy,
Proc. 4th CIRP Int. Conf. on High Performance Cutting, (2010.10.24-26) Vol.1, pp.243-248.
Kan Ding, Hiroyuki Sasahara, Syuji Adachi and Kimio Nishimura,
Investigation on the Cutting Process of Plasma Sprayed Iron Base Alloys,
International Conference on Precision Engineering ICoPE2010 & 13th ICPE (2010.7.28-30)
(published as Key Engineering Materials,447-448 (2010) pp. 821-825.)
Erween Abd. Rahim, Hiroyuki Sasahara,
Surface Integrity In MQL Drilling Nickel-Based Superalloy,
International Conference on Precision Engineering ICoPE2010 & 13th ICPE, (2010.7.28-30)
(published as Key Engineering Materials,447-448 (2010) pp. 816-820)
Erween Abd. Rahim, Hiroyuki Sasahara,
Effect Of Machining Parameters And MQL Liquids On Surface Integrity Of High Speed Drilling Ti-6Al-4V,
International Conference on Precision Engineering ICoPE2010 & 13th ICPE, (2010.7.28-30)
(published as Key Engineering Materials,447-448 (2010) pp. 811-815)
Hiromasa Yamamoto, Kentaro Satake, Hiroyuki Sasahara, Toru Narita, Masaomi Tsutsumi, Toshiyuki Muraki,
Thermal Behavior and Tool Failures on Rotary Cutting of Difficult-to-cut Materials Utilizing Multi Tasking Lathe,
International Conference on Precision Engineering ICoPE2010 & 13th ICPE, (2010.7.28-30)
(published as Key Engineering Materials,447-448 (2010) pp. 806-810)
Erween Abd. Rahim, Hiroyuki Sasahara,
High Speed MQL Drilling of Titanium Alloy using Synthetic Ester and Palm Oil,
Proc. 36th International MATADOR Conference, (2010.7.14-16) pp. 193-196.
Erween Abd. Rahim, Hiroyuki Sasahara,
Surface Integrity when Drilling Nickel-Based Superalloy under MQL Supply,
9th Asia-Pacific Conference on Materials Processing, (2010.6.7-10)
(published as Key Engineering Materials, 443 (2010) pp. 365-370.)
Erween Abd. Rahim, Hiroyuki Sasahara,
Effect of MQL Liquids on Surface Integrity when High Speed Drilling Titanium Alloy,
9th Asia-Pacific Conference on Materials Processing, (2010.6.7-10)
(published as Key Engineering Materials, 443 (2010) pp. 359-364.)
Hiromasa Yamamoto, Kentaro Satake, Toru Narita, Hiroyuki Sasahara, Masaomi Tsutsumi
and Toshiyuki Muraki,
Thermal Behavior and Chip formation on Rotary Cutting of Difficult-to-cut Materials
Utilizing Multi Tasking Lathe and MQL,
Proc. 5th Int. Conf. on LEM21 (2009.12) pp.661-666. (Dec. 2-4).
Satoshi Kiuchi and Hiroyuki Sasahara,
Temperature History and Metallographic Structure of 0.45%C Steel Processed
by Frictional Stir Burnishing,
Proc. 5th Int. Conf. on LEM21 (2009.12) pp.359-364. (Dec. 2-4).
Erween Abd Rahim and Hiroyuki Sasahara,
Performance of Palm Oil as MQL Fluid During High Speed Drilling of Ti-6Al-4V,
Proc. 5th Int. Conf. on LEM21 (2009.12) pp.319-324. (Dec. 2-4).
Reo Yoshimaru, Keizo Tanaka and Hiroyuki Sasahara,
Direct Metal Rapid Fabrication Using Arc Welding
-Fabrication of shell structure with ribs and cooling channels-,
3rd Int. Conf. of ASPEN, Kitakyushu, (2009.11) #1A1-7. (November 11-13).
Hiroyuki Sasahara, Ryuji Iwashita,
FEM Simulation on Micro-Cutting Planarization Process of Metal Bump and Resin for LSI Chip Stacking/Bonding,
Proc. 9th Int. Conf. EUSPEN, San Sebastian (2009.6) pp.57-60. (June 2-5).
Erween Abd. Rahim, Hiroyuki Sasahara,
Application of Minimum Quantity Lubrication when Drilling Nickel-Based Superalloy at High Cutting Speed,
Progress of Machining Technology (Proc. 9th ICPMT), Kunming, China, (2009. 4) pp.612-615 (April 25-28).
Hiroyuki Sasahara, Yoshihisa Naito,
Prediction and Avoidance of Chatter in Milling of Thin-walled Structure,
Progress of Machining Technology (Proc. 9th ICPMT), Kunming, China, (2009. 4) pp.404-407 (April 25-28).
Hiroyuki Sasahara, Satoshi Kiuchi, Tomohiko Yata, Hiroyuki Murase, Keisuke Tominaga,
Generation of Surface Hardened Layer on 0.45%C Steel by Frictional Stir Burnishing,
Proc. GCMM 2008, Gold Coast, (2008.11) CD-ROM#123. (November 12-14)
Hiroyuki Sasahara, Shohei Nagao, Masahisa Chino,
Electrochemical Machining of Curved Holes by Means of an Electrode Posture Control System,
Proc. GCMM 2008, Gold Coast, (2008.11) CD-ROM#85. (November 12-14)
Toshiyuki Obikawa, Yoshifumi Takemura, Yasuhiro Akiyama, Jun Shinozuka, Hiroyuki Sasahara,
Microscopic Phase-Dependent Residual Stresses in the Machined Surface Layer of Two-Phase Alloy: FE Modeling and Results,
Proc. 8th ACPMT, Guilin, (2008.6) pp.870-875. (June 15-20)
Kei Harada, Hiroyuki Sasahara,
Effect of Dynamic Response and Displacement/Stress Amplitude on Ultrasonic Vibration Cutting,
Proc. 8th ACPMT, Guilin, (2008.6) pp.606-611. (June 15-20)
Kan Ding, YuLong Tang and Hiroyuki Sasahara,
Investigation on the Deformation of Cylinder Liner During Boring Process Caused by Cutting Force and Temperature Rise,
Proc. 8th ACPMT, Guilin, (2008.6) pp.370-375. (June 15-20)
Hiroyuki Sasahara, Masaaki Fukuda, Hiroshi Matsuda, Masaomi Tsutsumi,
Generation of Regularly Alligned Micro Dimples by using a Patch Division Milling,
Proc. 10th Anniversary Int. Conf. EUSPEN, Zurich (2008.5) pp.24-28. (May 18-22)
Ryuji IWASHITA, Hiroyuki Sasahara,
Study on Simulation of Micro Cutting Process of Alternatively Arranged Resin and Metal,
Proc. 4th LEM21 (2007.11) pp.701-706. (Nov.7-9)
Mitsuru Shimomura, YuLong Tang and Hiroyuki Sasahara,
Analytical Prediction of Sequential Cutting Process,
Proc. 4th LEM21 (2007.11) pp.317-322. (Nov.7-9)
Hiroshi Nakajima, Atsushi Kato, Hiroyuki Sasahara, Hiromasa Yamamoto, Toshiyuki Muraki, Masaomi Tsutsumi,
Effect of Rotary Cutting Tool Posture on Multi Tasking Lathe,
Proc. 4th LEM21 (2007.11) pp.311-316. (Nov.7-9)
Hiroshi Matsuda, Hiroyuki Sasahara, Masaaki Fukuda and Masaomi Tsutsumi,
Tool Path Generation for the Formation of Geometric Surface Pattern on Curved Surface by Patch Division Milling,
Proc. 4th LEM21 (2007.11) pp.35-40.(Nov.7-9)
Tang YuLong, Hiroyuki Sasahara, Kimio Nishimura, Takafumi Watanabe,
Dummy Heat Source Technique for Estimating the Machining Error Caused by Thermal Behavior in Fine Boring,
Proc. 35th MATADOR conference, Taipei (2007.7) pp.211-214. (July 18-20)
Tang YuLong, Hiroyuki Sasahara,
Effect of Machining Strategy on Thermal Expansion in Fine Boring Process,
Proc. ICPMT2006, Matsue, JAPAN (2006.11) pp. 519-522. (Nov. 9-11)
Hiroshi Matsuda, Hiroyuki Sasahara and Masaomi Tsutsumi,
Control of Cutter Marks Array on a Surface by Patch Division Milling,
Proc. ICPMT2006, Matsue, JAPAN (2006.11) pp.425-428. (Nov. 9-11)
Toshiaki Segawa, Masami Matsubara, Hiroyuki Sasahara,
High Compressive Residual Stress Generated and High Hardness and Fine Grain Produced by Hard Drilling of Carburized Parts,
Proc AMPT 2006, Las Vegas, USA, (2006.7) (CD-ROM, PSI3 P1002) (July 30-Augst 3)
Hiroyuki Sasahara, Masaomi Tsutsumi,
Near Dry Helical Feed Milling for Boring of Aluminum Alloy,
Proc AMPT 2006, Las Vegas, USA, (2006.7) (CD-ROM, PSI2 P1026) (July 30-Augst 3).
Toshiaki Segawa, Masami Matsubara, Hiroyuki Sasahara,
Generation and improvement of compressive residual stress, hardness and micro or nano grain on a drilled surface by hard drilling of carburized parts,
Proc. 6th Int. Conf. EUSPEN, Baden bei Wien, (2006.5) pp.348-351. (May 28-Jun 1)
Hiroyuki Sasahara, Tomohiko Yata, Toshiaki Segawa and Masaomi Tsutsumi,
Formation of Nanocrystalline Structure on the Surface Layer by Friction Stir Burnishing,
Proc. 6th Int. Conf. EUSPEN, Baden bei Wien, (2006.5) pp.344-347. (May 28-Jun 1)
Tomohiko Yata, Hiroyuki Sasahara, Toshiaki Segawa and Masaomi Tsutsumi,
Surface Enhancement by Friction Stir Burnishing,
Proc 3rd Leading Edge Manufacturing 21st Century (LEM21), Nagoya, (2005.10.19-22) pp.547-552.
Kiyoshi Okamura, Hiroyuki Sasahara, Toshiaki Segawa and Masaomi Tsutsumi,
Machining Characteristics of Low-frequency Vibration Drilling,
Proc 3rd Leading Edge Manufacturing 21st Century (LEM21), Nagoya, (2005.10.19-22) pp.491-496.
Toshiyuki Obikawa, Hiroyuki Sasahara and Takahiro Shirakashi,
Basic Nonlinearity of Tool Chatter Vibration,
Proc 3rd Leading Edge Manufacturing 21st Century, Nagoya, (2005.10.19-22) pp.169-173.
Hiroyuki Sasahara and Tang Yu Long,
Finite Element Analysis on the Temperature and Machining Accuracy of Fine Boring Process,
Proc. 7th ICPMT, Suzhou, China (2004.12.8-11) pp. 769-774.
Toshiaki Segawa, Hiroyuki Sasahara and Masaomi Tsutsumi,
Control of the Mechanical Property on Machined Surface by a New Tool for cutting-burnishing combined process,
ASME International Mechanical Engineering Congress, Anaheim, California USA, (2004.11.13-19) (IMECE2004-59641, CD-ROM)
Hiroyuki Sasahara, Atsushi Doi, Makoto Takizawa, Masahisa Chino,
Layered Manufacturing System using Sheet Metal - Polymer Lamination,
Proc. ICoPE 2004 (ISBN 981-04-8484-4), Singapore, (2004) pp. 659-664.
Hiroyuki Sasahara, Kei Harada,
Effect of Vibration Cutting on Cutting Force and Temperature,
Proc. Leading Edge Manufacturing 21st century, Niigata, (2003.11), pp.675-680.
Toshiaki SEGAWA, Hiroyuki Sasahara, Masaomi Tsutsumi,
A Study of Compressive Residual Stress on the Machined Surface of Aluminum Alloy,
Progress of Machining Technology, (Proc. ICPMT'2002, Xian) (2002) pp.683-688.
Hiroyuki Sasahara, Takehiko Nitta and Kazufumi Nishi,
Analysis of Tool Temperature in High-Speed Milling,
Initiatives of Precision Engineering at The Beginning of a Millennium, ed. I. Inasaki, Kluwer Academic Publishers, (Proc. 10th ICPE, Yokohama), (2001.10) pp.279-283.
Takahiro Shirakashi, Toshiyuki Obikawa and Hiroyuki SASAHARA,
Estimation of Residual Stress Distribution in Machined Surface and its Control through FEM Simulation,
Proc. 4th International ESAFORM Conference on Material Forming, Vol.2, Liege, Belgium, (2001.4) pp.639-641.
Toshiyuki Obikawa, Jun Shinozuka, H. Kikuchi, K. Yoshino, Koh Tanabe, Hiroyuki Sasahara and Takahiro Shirakashi,
Finite Element Modeling of Machining with a Helical Endmill,
Proc. 5TH ICPMT, Beijing, (2000.9) pp.715-720.
Hiroyuki Sasahara, Fuminori Mizutani and Masaomi Tsutsumi,
Application of Oil-mist Lubrication to High-Speed Milling,
Abrasive Technology, Edit. J.Wang, World Scientific Publishing Co. Pte. Ltd, (Proc. ABTEC'99, Brisbane, Australia), (1999.10) pp.386-393.
Hiroyuki Sasahara, Toshiyuki Obikawa, Takahiro Shirakashi,
Control of Residual Stress within Machined Surface Layer in Face Turning,
Proc. U.S. -Japan Symposium on High-Efficiency Damage-free Finishing of Advanced Materials, Oklahoma, U.S.A., (1999.3) pp.71-82.
Toshiyuki Obikawa, Masahiko Yoshino, Takashi Matsumura, Hiroyuki Sasahara, Jun Shinozuka, Koji Furusawa,
Rapid Manufacturing System by Sheet Steel Lamination,
Proc. 14th International Conference on CAPE'98, Tokyo, (1998.9) pp.265-270.
Hiroyuki Sasahara, Toshiyuki Obikawa, Takahiro Shirakashi,
FEM Simulation on Machining Process of Two Phase Alloy,
Proc. ICPE'97, Taipei, (1997.11) pp.467-472.
Hiroyuki Sasahara, Toshiyuki Obikawa, Takahiro Shirakashi,
FEM Analysis of Cutting Sequence Effect on Mechanical Characteristics in Machined Layer,
Proc. ICPE'95, Singapore, (1995.11) pp.581-584.
Hiroyuki Sasahara, Toshiyuki Obikawa, Takahiro Shirakashi,
3-D FEM Analysis on Large Chip Deformation at Tool Entry，
Proc.ICMT'93, China, (1993.11) pp.7-12.
Takahiro Shirakashi, Hiroyuki Sasahara, Toshiyuki Obikawa,
The Prediction of the Mechanical State of Machined Surface by FEM,
Proc. of IMCC'93 Vol2, Hong Kong, (1993.10) pp.65-70.