Publication

2024

  • Yoshimasa Takahashi, Daisuke Kobayashi, Shintaro Fujii, Shigeo Arai, Masanori Takuma, Ken-ichi Saitoh, Tomohiro Sato, Time-dependent subcritical crack growth and its mechanism in Ni-based single crystal superalloys at 500 °C, Materials Science & Engineering A, Vol. 889, 2024, 145869. https://doi.org/10.1016/j.msea.2023.145869
  • Yoshimasa Takahashi, Tomohiro Shimizu, Atsutomo Nakamura, Shigeo Arai, Masanori Takuma, Ken-ichi Saitoh, Tomohiro Sato, Electron microscopic analysis of fatigue crack tips in an Al-Cu alloy, Science and Technology Reports of Kansai University, No. 66, 2024, pp. 1-8.
  • Masanori Takuma, Koki Tsujii, Ken-ichi Saitoh, Yoshimasa Takahashi, Tomohiro Sato, Yutaka Niki, Study on failure/fracture mechanisms of 3D printed objects by FDM with AE method (Evaluation by using Empirical Mode Decomposition and Chaos analysis) Transactions of the JSME (in Japanese)，Vol. 90，No. 930，2024，ID: 23-00271. https://doi.org/10.1299/transjsme.23-00271

2023

  • Yukihiko Izumi, Ken-ichi Saitoh, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Shear deterioration of the hierarchical structure of cellulose microfibrils under water condition: all-atom molecular dynamics analysis, Applied Mechanics, Vol. 4, 2023, pp. 230–247. https://doi.org/10.3390/applmech4010013

2022

  • Yoshimasa Takahashi, Daisuke Kobayashi, Shintaro Fujii, Masanori Takuma, Kenichi Saitoh, Tomohiro Sato, Time-dependent crack growth mechanism in Ni-based single crystal superalloys at high-temperature, Materials Science & Engineering A, Vol. 859, 2022, 144179. https://doi.org/10.1016/j.msea.2022.144179
  • Tomohiro Sato, Hiroki Asada, Ken–ichi Saitoh, Masanori Takuma, Yoshimasa Takahashi, Impact and frictional properties of sulfide–dispersed Ni bronze affected by heat treatment, Journal of Japan Institute of Copper (in Japanese), Vol. 61, 2022, pp. 97–102. https://doi.org/10.34562/jic.61.1_97
  • Masanori Takuma, Ken-ichi Saitoh, Yoshimasa Takahashi, Tomohiro Sato, Study on evaluation of wall thinning in a structural member using Lamb waves: mode separation using the MARS method, Science and Technology Reports of Kansai University, No. 62, 2023, pp. 23-34.
  • Yoshimasa Takahashi, Kaname Kishimoto, Yusuke Morii, Shigeo Arai, Kimitaka Higuchi, Shunsuke Muto, Interfacial fracture initiation strength of micro-scale Si/Cu components with different geometries: applicability of the fracture mechanics criterion, Engineering Fracture Mechanics, Vol. 267, 2022, 108439. https://doi.org/10.1016/j.engfracmech.2022.108439
  • Masanori Takuma, Tomohiro Sato, Ken-ichi Saitoh, Yoshimasa Takahashi, Yoshimasa Hirai, Study on damage evaluation of bimetal with the lead-free copper alloy (Life evaluation in bending fatigue test with AE method)，Transactions of the JSME (in Japanese)，Vol. 88，No. 908，2022，ID: 22-00019. https://doi.org/10.1299/transjsme.22-00019
  • Ken-ichi Saitoh, Yoshihiro Takai, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Optimization of LIB electrolyte and exploration of novel compounds by using molecular dynamics method, Batteries, Vol. 8, 2022, 27. https://doi.org/10.3390/batteries8030027

2021

  • Tomohiro Sato, Shuhei Ishikawa, Ken-ichi Saitoh, Masanori Takuma, Yoshimasa Takahashi, Evaluation of Sulfides as Solid Lubricant: Lubricity of Compounded Sulfides, Key Engineering Materials, Vol. 901, 2021, pp. 164–169. https://doi.org/10.4028/www.scientific.net/KEM.901.164
  • Tomohiro Sato, Atsuto Kubota, Ken-ichi Saitoh, Masayoshi Fuji, Chika Takai, Hadi Sena, Masanori Takuma, Yoshimasa Takahashi，Molecular Dynamics Analysis on Silica Interface Modeled in Surface Grinding Process for Non-Firing Solidification，Journal of the Society of Materials Science, Japan，Vol. 71, No.2, 2022, pp. 167–174. https://doi.org/10.2472/jsms.71.167
  • Daiki Kuribayashi, Tomohiro Sato, Ken-ichi Saitoh, Masanori Takuma, Yoshimasa Takahashi，Pseudo Generation of Metallographic Images and Verification of Superiority for Discrimination Problems -Applying Adversarial Generative Networks-，Journal of the Japan Society of Powder and Powder Metallurgy， Vol. 68, No. 8, 2021, pp. 317–323. https://doi.org/10.2497/jjspm.68.317
  • Tomohiro Sato, Hiroki Asada, Ken–ichi Saitoh, Masanori Takuma, Yoshimasa Takahashi, Effects of Heat Treatment for Cu–Ni–Sn–S Alloys, Journal of Japan Institute of Copper, Vol. 60, No. 1, 2021, pp. 87–92. https://doi.org/10.34562/jic.60.1_87

2020

  • Tomohiro Sato, Akihiro Jingu, Ken-ichi Saitoh, Masanori Takuma, Yoshimasa Takahashi, Friction Properties of Sintered Al Bronze Containing Dispersed Sulfides, Transactions of Powder Metallurgy Association of India, Vol.45 No.2, December 2019, pp.39-50, 2021
  • Tomohiro Sato, Atsuto Kubota, Ken-ichi Saitoh, Masayoshi Fuji, Chika Takai, Hadi Sena, Masanori Takuma, Yoshimasa Takahashi, Molecular dynamics study on SiO2 interfaces of nonfiring solids, Journal of Nanomaterials, Vol. 2020, ID 8857101. https://doi.org/10.1155/2020/8857101
  • Ken-ichi Saitoh, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Molecular dynamics study of collagen fibrils: relation between mechanical properties and molecular chirality, Journal of Biomaterials and Nanobiotechnology, Vol. 11, 2020, pp.260-278. https://doi.org/10.4236/jbnb.2020.114017
  • Yoshimasa Takahashi, Daisuke Kobayashi, Masaki Kashihara, Tomoyuki Kozawa, Shigeo Arai, Electron-microscopic analyses on high-temperature fatigue crack growth mechanism in a Ni-based single crystal superalloy, Materials Science & Engineering A, Vol. 793, 2020, 139821. https://doi.org/10.1016/j.msea.2020.139821
  • Nobuo Tanaka, Takeshi Fujita, Yoshimasa Takahashi, Jun Yamasaki, Kazuyoshi Murata, Shigeo Arai, Progress in environmental high-voltage transmission electron microscopy for nanomaterials, Philosophical Transactions of the Royal Society A，Vol. 378, RSTA20190602. http://doi.org/10.1098/rsta.2019.0602
  • Ken-ichi Saitoh, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Molecular dynamics study of collagen fibrils: relation between mechanical properties and molecular chirality, Journal of Biomaterials and Nanobiotechnology, Vol. 11, 2020, pp.260-278. https://doi.org/10.4236/jbnb.2020.114017
  • Yoshimasa Takahashi, Ryosuke Kuriki, Jun Kurihara, Tomoyuki Kozawa, Takahiro Shikama, Hiroshi Noguchi, Distinct fatigue limit of a 6XXX series aluminum alloy in relation to crack tip strain-aging, Materials Science & Engineering A, Vol. 785, 2020, 139378. https://doi.org/10.1016/j.msea.2020.139378
  • Taiki Yamada, Masahiro Ohtsuka, Yoshimasa Takahashi, Haruhiko Yoshino, Shin-ichi Amma, Shunsuke Muto, Measurement of nanoscale local stress distribution in phase-separated glass using scanning transmission electron microscopy-cathodoluminescence, Materialia, Vol. 9, 2020, 100578. https://doi.org/10.1016/j.mtla.2019.100578
  • Thanh Thuong Huynh, Motomichi Koyama, Yoshimasa Takahashi, Shigeru Hamada, Kaneaki Tsuzaki, Hiroshi Noguchi, Plastic deformation sequence and strain gradient characteristics of hydrogen-induced delayed crack propagation in single-crystal Fe-Si alloy, Scripta Materialia, Vol. 178, 2020, pp. 99-103. https://doi.org/10.1016/j.scriptamat.2019.11.012

2019

  • Keisuke Oosumi, Masanori Takuma, Kenichi Saitoh, Yoshimasa Takahashi, Tomohiro Sato, Ken Yamamoto, Study on evaluation of rail axial stress with ultrasonic wave method (Application of wavelet transform results), Transactions of the JSME Series A (in Japanese), Vol. 85, 2019, ID: 19-00206 https://doi.org/10.1299/transjsme.19-0020
  • Kentaro Takada, Ken-ichi Saitoh, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Molecular dynamics study on transmission mechanism of torsional deformation in cellulose nanofibers with hierarchical structure, Soft Nanoscience Letters, Vol. 9, 2019, pp. 45-57. https://doi.org/10.4236/snl.2019.94004
  • Takashi Sumigawa, Shin Uegaki, Tetsuya Yukishita, Shigeo Arai, Yoshimasa Takahashi, Takayuki Kitamura, FE-SEM In Situ Observation of Damage Evolution in Tension-Compression Fatigue of Micro-sized Single-Crystal Copper, Materials Science & Engineering A, Vol. 764, 2019, 138218 https://doi.org/10.1016/j.msea.2019.138218
  • Syuhei Ishikawa, Tomohiro Sato, Ken-ichi Saitoh, Masanori Takuma, Yoshimasa Takahashi, Fundamental study on functionality of synthetic sulfides -Evaluation of metal sulfides as solid lubricant-, Jurnal Tribologi, Vol.20, 2019, pp. 26-38
  • Ken-ichi Saitoh, Kosuke Oda, Koki Yoshida, Masanori. Takuma, Yoshimasa Takahashi, Tomohiro Sato, Atomistic simulation of heavily plastic deformation of pearlitic steel: nano-sized processes of wiredrawing and indentation, IOP Conference Series: Materials Science Engineering Vol. 461, 2019, 012074. https://doi.org/10.1088/1757-899X/461/1/012074
  • Yukihiko Kimura, Yoshimasa Takahashi, Taizo Makino, Takanori Kato, Shigeo Arai, Microscopic analysis of non-propagating fatigue crack tips, International Journal of Fatigue, Vol. 125, 2019, pp. 122–127. https://doi.org/10.1016/j.ijfatigue.2019.03.043

2018

  • Ken-ichi Saitoh, Koki Yoshida, Kosuke Oda, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Molecular dynamics study on nano-sized wiredrawing: possible atomistic process and application to pearlitic steel wire, IOP Conference Series: Materials Science Engineering Vol. 307, 2018, 012039. https://doi.org/10.1088/1757-899X/307/1/012039
  • Yoshimasa Takahashi, Ryosuke Kuriki, Masaki Kashihara, Takahiro Shikama, Hiroshi Noguchi, Emergence of distinct fatigue limit: impact of excess solute magnesium in 6061-T6 alloy, Procedia Structural Integrity, Vol. 13, 2018, pp. 1010–1013. https://doi.org/10.1016/j.prostr.2018.12.188
  • Ken-ichi Saitoh, Kohei Kuramitsu, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Molecular Dynamics Study on Deformation Mechanism of Grain Boundaries in Magnesium Crystal: Based on Coincidence Site Lattice Theory, Journal of Materials, Vol. 2018, Article ID 4153464. https://doi.org/10.1155/2018/4153464
  • Yoshimasa Takahashi, Itaru Ashida, Shigeo Arai, Kimitaka Higuchi, Yuta Yamamoto, Shunsuke Muto, Interfacial fracture strength evaluation of Cu/SiN micro-components: applicability of the linear fracture mechanics criterion under a hydrogen environment, International Journal of Fracture, Vol. 210, 2018, pp. 223–231. https://doi.org/10.1007/s10704-018-0269-8

2017

  • Yoshimasa Takahashi, Kosuke Inoue, Masanori Takuma, Kenichi Saitoh, Tomohiro Sato, Fracture mechanics criterion of time-dependent crack initiation from interface free-edge in adhesively bonded butt joints, Engineering Fracture Mechanics, Vol. 186, 2017, pp. 368–377. https://doi.org/10.1016/j.engfracmech.2017.08.017

2016

  • Yoshimasa Takahashi, Microscopic analyses of deformation structures around fatigue crack tips, JEOL news, Vol. 51, 2016, pp. 16–21.
  • Yoshimasa Takahashi, Kazuya Aihara, Itaru Ashida, Kimitaka Higuchi, Yuta Yamamoto, Shigeo Arai, Shunsuke Muto, Nobuo Tanaka, Evaluation of interfacial fracture strength in micro-components with different free-edge shape, Mechanical Engineering Journal, Vol. 3, No. 6, 2016, ID: 16-00108 https://doi.org/10.1299/mej.16-00108
  • Shigeo Arai, Yoshimasa Takahashi, Takefumi Amino, Kaname Yoshida, Yuta Yamamoto, Kimitaka Higuchi, Tsunehisa Yamamoto, Shunsuke Muto, Gaseous environmental in-situ observation by Reaction-Science High-Voltage Electron Microscope, Kinzoku (AGNE Gijutsu Center Inc.) (in Japanese), Vol. 86, 2016, No. 12, pp. 1085–1090.
  • Tomohiro Sato, Takehiro Muraoka, Kenichi Saitoh, Masanori Takuma, Yoshimasa Takahashi, Yoshimasa Hirai, Evaluation of radial crushing strength on Bronze sintered in vacuum atmosphere -effect of sulfide and tin-, Journal of the Japan Society of Powder and Powder Metallurgy (in Japanese), Vol. 63, No. 5, 2016, pp. 255–260. https://doi.org/10.2497/jjspm.63.255
  • Masanori Takuma, Naoto Yamashita, Shigeru Matsuda, Yoshinori Asagoe, Yuu Hinohara, Keisuke Oosumi, Kenichi Saitoh, Yoshimasa Takahashi, Tomohiro Sato, Study on damage evaluation of magnesium alloy with acoustic emission method (Discrimination of {1012} and {1011} twin), Transactions of the JSME (in Japanese), Vol. 82, No. 839, 2016, ID: 16-00027 https://doi.org/10.1299/transjsme.16-00027
  • Yoshimasa Takahashi, Kazuya Aihara, Itaru Ashida, Masanori Takuma, Kenichi Saitoh, Tomohiro Sato, Kimitaka Higuchi, Yuta Yamamoto, Shigeo Arai, Shunsuke Muto, Interfacial fracture strength property of micro-scale SiN/Cu components, Procedia Structural Integrity, Vol. 2, 2016, pp. 1367–1374.
  • Yoshimasa Takahashi, Hikaru Kondo, Ryo Asano, Shigeo Arai, Kimitaka Higuchi, Yuta Yamamoto, Shunsuke Muto, Nobuo Tanaka, Direct evaluation of grain boundary hydrogen embrittlement: a micro-mechanical approach, Materials Science & Engineering A, Vol. 661, 2016, pp. 211–216. https://doi.org/10.1016/j.msea.2016.03.035
  • Yoshimasa Takahashi, Hikaru Kondo, Kazuya Aihara, Masanori Takuma, Kenichi Saitoh, Shigeo Arai, Shunsuke Muto, Yuta Yamamoto, Kimitaka Higuchi, Nobuo Tanaka, Interfacial fracture strength of micro-scale Si/Cu components with different free-edge shape, Key Engineering Materials, Vol. 665, 2016, pp. 169–172. https://doi.org/10.4028/www.scientific.net/KEM.665.169

2015

  • Keisuke Oosumi, Shigeru Matsuda, Masanori Takuma, Kenichi Saitoh, Yoshimasa Takahashi, Yoshinori Asagoe, Naoto Nakanishi, Study on evaluation of damage for magnesium alloy with acoustic emission (Influences of heat history and corrosion), Transactions of the JSME (in Japanese), Vol. 81, No. 823, 2015, ID: 14-00541 https://doi.org/10.1299/transjsme.14-00541
  • Ken-ichi Saitoh, Tomohiro Sato, Masanori Takuma, Yoshimasa Takahashi, Ryuketsu Chin, Molecular dynamics study on lubrication mechanism in crystalline structure between copper and sulfur, Journal of Materials, Vol. 2015, Article ID 963257 https://doi.org/10.1155/2015/963257
  • Yoshimasa Takahashi, Takahiro Shikama, Ryota Nakamichi, Yuji Kawata, Naoki Kasagi, Hironari Nishioka, Syuzaburo Kita, Masanori Takuma, Hiroshi Noguchi, Effect of additional magnesium on mechanical and high-cycle fatigue properties of 6061–T6 alloy, Materials Science & Engineering A, Vol. 641, 2015, pp. 263–273. https://doi.org/10.1016/j.msea.2015.06.051
  • Yoshimasa Takahashi, Shigeo Arai, Yuta Yamamoto, Kimitaka Higuchi, Hikaru Kondo, Yu Kitagawa, Shunsuke Muto, Nobuo Tanaka, Evaluation of interfacial fracture strength in micro-scale components combined with high-voltage environmental electron microscopy, Experimental Mechanics, Vol. 55, 2015, pp. 1047-1056. https://doi.org/10.1007/s11340-015-0008-2

2014

  • Yoshimasa Takahashi, Hiroaki Yoshitake, Ryota Nakamichi, Takuya Wada, Masanori Takuma, Takahiro Shikama, Hiroshi Noguchi, Fatigue limit investigation of 6061-T6 aluminium alloy in giga-cycle regime, Materials Science & Engineering A, Vol. 614, 2014, pp. 243-249. https://doi.org/10.1016/j.msea.2014.07.039
  • Takahiro Shikama, Shinji Yoshihara, Yoshimasa Takahashi, Hiroshi Noguchi, Analysis of small fatigue crack in Al-Mg-Si Aluminum alloy, Materials Science Forum, Vols. 794-796, 2014, pp. 313-318. https://doi.org/10.4028/www.scientific.net/MSF.794-796.313
  • Kenichi Saitoh, Yohei Sameshima, Masanori Takuma, Yoshimasa Takahashi, Atomistic simulation of crystal change and carbon diffusion during drawing of pearlitic steel nano-sized wire, Technische Mechanik, Vol. 34, 2014, pp. 222-232. https://doi.org/10.24352/UB.OVGU-2017-064
  • Satoshi Iwata, Masanori Takuma, Kenichi Saitou, Junki Matsui, Yoshimasa Takahashi, Yuto Tsuzuki, Study on AE properties of A6061-T6 alloy for high-pressure hydrogen gas container during tensile and fatigue testing (Influence of grain size), Transactions of the JSME (in Japanese), Vol. 80, No. 818, 2014, SMM0292(No. 14-00198) https://doi.org/10.1299/transjsme.2014smm0292
  • Toshinori Sasaki, Masanori Takuma, Kenichi Saitoh, Tomohiro Saato, Yoshimasa Hirai, Shinichi Sayama, Yoshimasa Takahashi, Study on damage evaluation of bimetal with lead-free copper alloy (Application of Acoustic Emission method), Transactions of the JSME (in Japanese), Vol. 80, No. 813, 2014, SMM0112 https://doi.org/10.1299/transjsme.2014smm0112
  • Masanori Takuma, Shigeyoshi Hisada, Kenichi Saitoh, Yoshimasa Takahashi, Yuuki Kobayashi, Akira Kadono, Atushi Murata, Satoshi Iwai and Toshinori Sasaki, Acoustic Emission Measurement by Fiber Bragg Grating Glued to Cylindrical Sensor Holder, Advances in Materials Science and Engineering, Vol. 2014, Article ID 274071. https://doi.org/10.1155/2014/274071
  • Yoshimasa Takahashi, Hikaru Kondo, Hironobu Niimi, Takeshi Nokuo, Toshiaki Suzuki, Fracture strength analysis of single-crystalline silicon cantilevers processed by focused ion beam, Sensors & Actuators: A. Physical, Vol. 206, 2014, pp. 81–87. https://doi.org/10.1016/j.sna.2013.11.037
  • Yoshimasa Takahashi, Hiroaki Yoshitake, Takahiro Shikama, Hiroshi Noguchi, Masanori Takuma, Giga-cycle property of a new age-hardened aluminium alloy containing excess solute magnesium, Key Engineering Materials, Vols. 577-578, 2014, pp. 293–296. https://doi.org/10.4028/www.scientific.net/KEM.577-578.293

2013

  • Junji Sakamoto, Yoshimasa Takahashi, Yuuta Aono, Hiroshi Noguchi, Method for assessing applicability of an artificial flaw as a small initial crack for fatigue limit evaluation and its application to a drill hole and an FIB processed sharp notch in annealed 0.45% carbon steel, Journal of Testing and Evaluation, Vol. 41, 2013, JTE20120176 https://doi.org/10.1520/JTE20120176
  • Yoshimasa Takahashi, Takahiro Shikama, Hiroshi Noguchi, Micro-analyses of small cracks in 6061-T6 aluminium alloy subjected to high-cycle fatigue, Key Engineering Materials, Vols. 525-526, 2013, pp. 213-216. https://doi.org/10.4028/www.scientific.net/KEM.525-526.213

2012

  • Lei Zeng, Takahiro Shikama, Yoshimasa Takahashi, Shinji Yoshihara, Tadashi Aiura, Hiroshi Noguchi, Fatigue limit of new precipitation-hardened aluminium alloy with distinct fatigue crack propagation limit, International Journal of Fatigue, Vol. 44, 2012, pp. 32–40. https://doi.org/10.1016/j.ijfatigue.2012.06.001
  • Takahiro Shikama, Yoshimasa Takahashi, Lei Zeng, Shinji Yoshihara, Tadashi Aiura, Kenji Higashida, Hiroshi Noguchi, Distinct fatigue crack propagation limit of new precipitation-hardened aluminium alloy, Scripta Materialia, Vol. 67, 2012, pp. 49–52. https://doi.org/10.1016/j.scriptamat.2012.03.018
  • Yoshimasa Takahashi, Takahiro Shikama, Shinji Yoshihara, Tadashi Aiura, Hiroshi Noguchi, Study on dominant mechanism of high-cycle fatigue life in 6061-T6 aluminum alloy through micro-analyses of microstructurally small cracks, Acta Materialia, Vol. 60, 2012, pp. 2554–2567. https://doi.org/10.1016/j.actamat.2012.01.023
  • Junji Sakamoto, Yoshimasa Takahashi, Hiroshi Noguchi, Small fatigue crack growth behavior from artificial notch with focused ion beam in annealed 0.45% carbon steel, Key Engineering Materials, Vols. 488–489, 2012, pp. 319–322. https://doi.org/10.4028/www.scientific.net/KEM.488-489.319
  • Toshiaki Suzuki, Yoshimasa Takahashi, Specimen Preparation Methods with FIB for In-Situ TEM Observations in Materials Science –TEM Specimen Preparation by FIB with Glass Manipulator–, Materia Japan (in Japanese), Vol. 51, 2012, No. 12, pp. 545–551. https://doi.org/10.2320/materia.51.545

2011

  • Masanori Takuma, Noboru Shinke, Yoshimasa Takahashi, Keishi Fujii, Naoto Yamashita, Study on evaluation of melting conditions of irradiation part by YAG laser (2nd report, relationships between features of AE signals and melting conditions by irradiation conditions), Transactions of the JSME (in Japanese), Vol. 77, 2011, pp. 1518–1526. https://doi.org/10.1299/kikaia.77.1518
  • Hide-aki Nishikawa, Yasuji Oda, Yoshimasa Takahashi, Hiroshi Noguchi, Microscopic observation of the brittle-striation formation mechanism in low carbon steel fatigued in hydrogen gas (TEM and EBSD observation corresponding to fractography), Journal of Solid Mechanics and Materials Engineering, Vol. 5, 2011, pp. 179–190. https://doi.org/10.1299/jmmp.5.179
  • Yoshimasa Takahashi, Junji Sakamoto, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, Effect of hydrogen on dislocation structures around a mixed-mode fatigue crack tip in a single-crystalline iron-silicon alloy, Scripta Materialia, Vol. 64, 2011, pp. 721–724. https://doi.org/10.1016/j.scriptamat.2010.12.032
  • Yoshimasa Takahashi, Keigo Yamaguchi, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, On the micro-mechanism of hydrogen-assisted cracking in a single-crystalline iron-silicon alloy thin sheet, Scripta Materialia, Vol. 64, 2011, pp. 537–540. https://doi.org/10.1016/j.scriptamat.2010.11.035
  • Yoshimasa Takahashi, Junji Sakamoto, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, Characterization of dislocation structures around a mixed-mode fatigue crack tip in a single-crystalline iron-silicon alloy, Scripta Materialia, Vol. 64, 2011, pp. 157–160. https://doi.org/10.1016/j.scriptamat.2010.09.033

2010

  • Yoshimasa Takahashi, Masaki Tanaka, Kenji Higashida, Kazuhiro Yasuda, Sho Matsumura, Hiroshi Noguchi, A combined environmental straining specimen holder for high-voltage electron microscopy, Ultramicroscopy, Vol. 110, 2010, pp. 1420–1427. https://doi.org/10.1016/j.ultramic.2010.07.011
  • Yoshimasa Takahashi, Hideaki Nishikawa, Yasuji Oda and Hiroshi Noguchi, Microscopic characterization of hydrogen-induced quasi-brittle fatigue fracture in low-strength carbon steel, Materials Letters, Vol. 64, 2010, pp. 2416–2419. https://doi.org/10.1016/j.matlet.2010.08.019
  • Yoshimasa Takahashi, Junji Sakamoto, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, TEM Analysis on the effect of hydrogen on cyclic deformation around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy, Transactions of the JSME Series A (in Japanese), Vol. 76, 2010, No. 767, pp. 1002–1004. https://doi.org/10.1299/kikaia.76.1002
  • Yoshimasa Takahashi, Junji Sakamoto, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, TEM Observation of Cyclic Deformation around an Oblique Fatigue Crack Tip in Single-crystalline Fe-3.2wt.%Si Alloy, Transactions of the JSME A (in Japanese), Vol. 76, 2010, No. 762, pp. 251–253. https://doi.org/10.1299/kikaia.76.251
  • Yoshimasa Takahashi, Masaki Tanaka, Kenji Higashida, Keigo Yamaguchi, Hiroshi Noguchi, An intrinsic effect of hydrogen on cyclic slip deformation around　a {110} fatigue crack in Fe-3.2 wt.% Si alloy, Acta Materialia, Vol. 58, 2010, pp. 1972–1981. https://doi.org/10.1016/j.actamat.2009.11.040

2009

  • Yoshimasa Takahashi, Masaki Tanaka, Kenji Higashida, Keigo Yamaguchi, Hiroshi Noguchi, HVEM Analysis of Slip Behavior around a Fatigue Crack Tip, Materia Japan (in Japanese), Vol. 48, No. 12, 2009, p. 609. https://doi.org/10.2320/materia.48.609
  • Yoshimasa Takahashi, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, Effect of hydrogen on microscopic deformation process near Stage II fatigue crack tip, Effects of Hydrogen on Materials, B. Somerday, P. Sofronis, R. Jones eds, ASM International, OH, 2009, pp. 203–210.
  • Yoshimasa Takahashi, Masaki Tanaka, Kenji Higashida, Keigo Yamaguchi, Hiroshi Noguchi, Effect of Gaseous Hydrogen on Cyclic Slip Behavior Around a Fatigue Crack Tip in Fe-3.2wt.%Si Single-Crystalline Alloy, Transactions of the JSME Series A (in Japanese), Vol. 75, 2009, pp. 1082–1089. https://doi.org/10.1299/kikaia.75.1082
  • Yoshimasa Takahashi, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, Hydrogen-induced slip localization around a quasi-brittle fatigue crack observed by high-voltage electron microscopy, Scripta Materialia, Vol. 61, 2009, pp. 145–148. https://doi.org/10.1016/j.scriptamat.2009.03.020
  • Yoshimasa Takahashi, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi, High-voltage electron-microscopic observation of cyclic slip behavior around a fatigue crack tip in an iron alloy, Scripta Materialia, Vol. 60, 2009, pp. 717–720. https://doi.org/10.1016/j.scriptamat.2009.01.002

2008

  • Hiroyuki Hirakata, Toshihiro Hirako, Yoshimasa Takahashi, Yasunori Matsuoka, Takayuki Kitamura, Creep crack initiation at a free edge of an interface between submicron thick elements, Engineering Fracture Mechanics, Vol. 75, 2008, pp. 2907–2920. https://doi.org/10.1016/j.engfracmech.2008.01.007
  • Yoshimasa Takahashi, Hiroyuki Hirakata, Takayuki Kitamura, Quantitative evaluation of plasticity of a ductile nano-component, Thin Solid Films, Vol. 516, 2008, pp. 1925–1930. https://doi.org/10.1016/j.tsf.2007.08.062
  • Yoshimasa Takahashi, Hiroyuki Hirakata, Takayuki Kitamura, Experimental evaluation of plastic property of a low-dimensional Cu nano-component, Materials Science Forum, Vols. 567-568, 2008, pp. 297–300. https://doi.org/10.4028/www.scientific.net/MSF.567-568.297

2007

  • Takayuki Kitamura, Hiroyuki Hirakata, Yoshimasa Takahashi, Interface Strength of Low-dimensional Nano-Components, Key Engineering Materials, Vols. 353-358, 2007, pp. 1–8. https://doi.org/10.4028/www.scientific.net/KEM.353-358.1
  • Hiroyuki Hirakata, Yoshimasa Takahashi, Takayuki Kitamura, Role of plasticity on interface crack initiation from a free edge and propagation in a nano-component, International Journal of Fracture, Vol. 145, 2007, pp. 261–271. https://doi.org/10.1007/s10704-007-9079-0

2006

  • Hiroyuki Hirakata, Yoshimasa Takahashi, Koji Shinmi, Do Van Truong, Takayuki Kitamura, Development of in situ TEM experiment of crack initiation at interface edge in nano-structures (in Japanese), Journal of the Society of Materials Science, Japan, Vol. 55 (No. 12)，2006，pp. 1073–1080. https://doi.org/10.2472/jsms.55.1073
  • Hiroyuki Hirakata, Yoshimasa Takahashi, Shohei Matsumoto, Takayuki Kitamura, Dominant stress region for crack initiation at interface edge of microdot on a substrate, Engineering Fracture Mechanics, Vol. 73, 2006, pp. 2698–2709. https://doi.org/10.1016/j.engfracmech.2006.04.019

Awards

JSME outstanding paper award, 19/4/2013
JSMS academic encouragement award for young scientist, 25/5/2011
JSMS outstanding paper award, 19/5/2007
JSMS best presentation award at the 54th period annual academic congress, 27/5/2005

Patents

United States Patent No. 7579805
United States Patent No. 7075201
Japan Patent No. 4383278
Japan Patent No. 4161737
Japan Patent No. 4147987
Japan Patent No. 4023336
Japan Patent No. 4000976