Toru Hara

Profile Information

Affiliation: National Institute for Materials Science

J-GLOBAL ID: 201801018133325241
researchmap Member ID: B000341695

Research Interests

Research Areas

Nanotechnology/Materials / Metallic materials /

Research History

Apr, 2017 - Present

National Institute for Materials Science
Apr, 2013 - Mar, 2017

National Institute for Materials Science
Apr, 2010 - Mar, 2013

National Institute for Materials Science
Apr, 2003 - Mar, 2009

National Institute for Materials Science
2000

科学技術料金属材料技術研究所主任研究官
1998

科学技術庁金属材料技術研究所研究員
1991

Faculty of Science and Engineering, Teikyo University
1990

The Furukawa Electric Co., Ltd

Education

Papers

156

Short fatigue crack growth mechanism in Ni-Co based superalloy at elevated temperatures and in oxidative atmospheres

Hideaki Nishikawa, Kishan Habib, Yoshiyuki Furuya, Toru Hara, Toshio Osada, Kyoko Kawagishi

Materials Science and Engineering: A, 145655-145655, Sep, 2023
Three-dimensional propagation behavior of hydrogen-related intergranular cracks in high-strength martensitic steel

Akinobu Shibata, Ivan Gutierrez-Urrutia, Akiko Nakamura, Kazuho Okada, Goro Miyamoto, Yazid Madi, Jacques Besson, Toru Hara, Kaneaki Tsuzaki

International Journal of Hydrogen Energy, Jun, 2023
Substructure and crystallography of lath martensite in as-quenched interstitial-free steel and low-carbon steel

Akinobu Shibata, Goro Miyamoto, Shigekazu Morito, Akiko Nakamura, Taku MORONAGA, Houichi KITANO, Ivan GUTIERREZ URRUTIA, Toru Hara, Kaneaki Tsuzaki

Acta Materialia, 246 118675-118675, Mar, 2023
Relationship between three-dimensional crack morphology and macroscopic mechanical properties of hydrogen-related fracture in martensitic steel

Akinobu Shibata, Yazid Madi, Jacques Besson, Akiko Nakamura, Taku Moronaga, Kazuho Okada, Ivan Gutierrez-Urrutia, Toru Hara

ISIJ International, 2023
Three-dimensional high-resolution crystallographic observation of the entire volume of microstructurally small fatigue cracks in Ni-Co based superalloy

Hideaki Nishikawa, Yoshiyuki Furuya, Toshio Osada, Kyoko Kawagishi, Toru Hara

SCRIPTA MATERIALIA, 222, Jan, 2023
Compression temperature to activate kinking in pearlitic steel

Rintaro Ueji, Hidetoshi Somekawa, Tadanobu Inoue, Toru Hara

Materials Science and Engineering: A, 857, Nov 1, 2022
Multi-scale three-dimensional analysis on local arrestability of intergranular crack in high-strength martensitic steel

Akinobu Shibata, Ivan Gutierrez-Urrutia, Akiko Nakamura, Goro Miyamoto, Yazid Madi, Jacques Besson, Toru Hara, Kaneaki Tsuzaki

Acta Materialia, 234, Aug 1, 2022
Controlling the Deposition Process of Nanoarchitectonic Nanocomposites Based on {Nb_6−xTa_xXⁱ₁₂}ⁿ⁺ Octahedral Cluster-Based Building Blocks (Xⁱ = Cl, Br; 0 ≤ x ≤ 6, n = 2, 3, 4) for UV-NIR Blockers Coating Applications

Clément Lebastard, Maxence Wilmet, stéphane Cordier, Clothilde Comby-Zerbino, Luke MacAleese, Philippe Dugourd, Toru Hara, Naoki Ohashi, Tetsuo UCHIKOSHI, Fabien GRASSET

Nanomaterials, Jun 15, 2022
A morphometric analysis of the osteocyte canaliculus using applied automatic semantic segmentation by machine learning

Kaori Tabata, Mana Hashimoto, Haruka Takahashi, Ziyi Wang, Noriyuki Nagaoka, Toru Hara, Hiroshi Kamioka

Journal of Bone and Mineral Metabolism, Mar 26, 2022
TTP Diagrams of Graphitization of Creep Ruptured Carbon Steels and 0.5Mo Steel

Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura

ISIJ International, 61(11) 2822-2831, Nov 15, 2021
Microstructural factors of the complex creep rate change in 18Cr–9Ni–3Cu–Nb–N steel

Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura

Materials Science and Engineering: A, 142225-142225, Oct, 2021
Three-dimensional analysis of the precipitation behavior of 18Cr–9Ni–3Cu–Nb–N steel at 973 K

Tomotaka Hatakeyama, Kota Sawada, Toru Hara, Kaoru Sekido, Kazuhiro Kimura

Scripta Materialia, 200 113904-113904, Jul, 2021
Influence of dynamic microstructural changes on the complex creep deformation behavior of 25Cr–20Ni–Nb–N steel at 873 K

Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura

Materials Science and Engineering: A, 814 141270-141270, May, 2021
Graphitization Behaviors of Creep-ruptured 0.3% Carbon Steel at 673 to 773 K

Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura

ISIJ International, 61(3) 993-1001, Mar 15, 2021
Ferroelastic and plastic behaviors in pseudo-single crystal micropillars of nontransformable tetragonal zirconia

Hiroshi Masuda, Koji Morita, Makoto Watanabe, Toru Hara, Hidehiro Yoshida, Takahito Ohmura

Acta Materialia, 203, Jan 15, 2021
Plan-view characterization of intergranular precipitates on grain boundaries by combination of FIB lift out method and TEM analyses: A case study in austenitic stainless steel

Kousei Sato, Kenji Kaneko, Toru Hara, Yasuhito Kawahara, Jun-ichi Hamada, Chikako Takushima, Ryo Teranishi

MICRON, 138, Nov, 2020
Microstructural characteristics of laser surface melted MoSiBTiC alloy

Masaya Higashi, Tomomichi Ozaki, Taku Moronaga, Toru Hara, Toshio Osada, Kyoko Kawagishi

Materials Letters, 278, Nov 1, 2020
A Concept Design of TES X-ray Microcalorimeter Array with Different Thickness Absorber Toward the Observation from 50 eV to 15 keV for STEM-EDS

Tasuku Hayashi, Haruka Muramatsu, Ryohei Konno, Noriko Y. Yamasaki, Kazuhisa Mitsuda, Akira Takano, Keisuke Maehata, Toru Hara

Journal of Low Temperature Physics, 199(3-4) 908-915, May 5, 2020 Peer-reviewed
Three-dimensional observation and analysis of remineralization in dentinal caries lesions.

Kumiko Yoshihara, Noriyuki Nagaoka, Akiko Nakamura, Toru Hara, Satoshi Hayakawa, Yasuhiro Yoshida, Bart Van Meerbeek

Scientific reports, 10(1) 4387-4387, Mar 9, 2020 Peer-reviewed
Self-healing by design: universal kinetic model of strength recovery in self-healing ceramics

Toshio Osada, Toru Hara, Masanori Mitome, Shingo Ozaki, Taichi Abe, Kiichi Kamoda, Takahito Ohmura

Science and Technology of Advanced Materials, 2020 Peer-reviewed

Misc.

高速でき裂を治癒するファインセラミックス―治癒活用相3Dネットワークの設計―

長田俊郎, 三留正則, 原徹, 阿部太一, 中尾航, 大村孝仁

Fine Ceramics Report, 37(1) 16‐21-21, Jan 20, 2019
界面制御による構造材料・構造体の高信頼性化―成果報告界面構造解析・計算技術がもたらす自己治癒セラミックスの新展開

長田俊郎, 阿部太一, 原徹, 三留正則, 大村孝仁

金属, 89(1) 46‐53-53, Jan 1, 2019
Effects of Ga, Sn Addition and Microstructure on Oxidation Behavior of Near-alpha Ti Alloy

Y. Yang, T. Kitashima, T. Hara, Y. Hara, Y. Yamabe-Mitarai, M. Hagiwara, S. Iwasaki

OXIDATION OF METALS, 88(5-6) 583-598, Dec, 2017
A TES Microcalorimeter System for the Energy Dispersive Spectroscopy Performed on a Scanning Electron Microscope

14 37-43, Mar, 2017
Ti合金の酸化誘起再結晶

北嶋具教, 原徹, YANG Y., 原由佳

日本金属学会講演概要(CD-ROM), 161st, 2017
界面の微視的組織・力学解析とマクロ特性予測 (特集界面制御による構造材料・構造体の高信頼性化)

大村孝仁, 原徹, 渡邊育夢

金属, 87(1) 37-44, Jan, 2017
Microstructure and creep properties of siliconand/or germanium-bearing near-α titanium alloys

T. Kitashima, K. S. Suresh, T. Hara, Y. Yamabe-Mitarai, Y. Toda

Materials Science Forum, 879 2324-2329, Jan 1, 2017
Effect of grain size on oxidation resistance of unalloyed titanium

Y. Yang, Y. Yang, T. Kitashima, T. Kitashima, T. Hara, Y. Hara, Y. Yamabe-Mitarai, M. Hagiwara, L. J. Liu

Materials Science Forum, 879 2187-2191, Jan 1, 2017
電子顕微鏡搭載TES型アイクロカロリーメータ用小型無冷媒³He-⁴He希釈冷凍機の開発

前畑京介, 伊豫本直子, 松村晶, 原徹, 満田和久, 永吉賢一郎, 田中啓一

超伝導システム科学研究センター報告, 13 39-47, Mar, 2016
ニアαチタン合金のクリープ特性,耐酸化性に対するGa添加の影響

北嶋具教, 北嶋具教, YANG Yang, YANG Yang, 御手洗容子, 原徹, 原由香, 岩崎智, 黒田秀治

日本金属学会講演概要(CD-ROM), 158th, 2016
3D Observation on Nano-sized VC Precipitates Formed in a Low Carbon Steel through Interphase Precipitation

Sekido Nobuaki, Kamikawa Naoya, Tsuzaki Kaneaki, Ohmura Takahito, Hara Toru, Miyamoto Goro, Furuhara Tadashi

Materia Japan, 55(12) 593-593, 2016
FIB-SEMの骨組織への応用

保崎留美子, 橋本真奈, 長岡紀幸, 原徹, 山城隆, 上岡寛

日本矯正歯科学会大会プログラム・抄録集, 73回 191-191, Oct, 2014
J0470206 Nano/Micro-Structure Analysis of Self Crack Healing Ceramics

KAMODA Kiichi, OSADA Toshio, MITOME Masanori, HARA Toru, TAKAHASHI Koji

Mechanical Engineering Congress, Japan, 2014 "J0470206-1"-"J0470206-3", Sep 7, 2014
FeGe系B20型化合物中のスキルミオン形成における元素置換効果

SO YEONG-GI, NAGAO MASAHIRO, YOSHIDA HIROYUKI, NAGAI TAKURO, EDAGAWA KEIICHI, SAITO KAICHI, HARA TOORU, YAMAZAKI ATSUSHI, KIMOTO KOJI

日本物理学会講演概要集, 69(2) 433-433, Aug 22, 2014
CT-1-2 X-ray analysis system using a transition edge sensor for material analysis

Tanaka Keiichi, Hara Toru, Mitsuda Kazuhisa, Maehata Keisuke, Yamanaka Yoshihiro

Proceedings of the IEICE General Conference, 2014(2) "SS-4"-"SS-7", Mar 4, 2014
Composition dependence of phase transformation behavior and shape memory effect of Ti(Pt, Ir)

Y. Yamabe-Mitarai, T. Hara, T. Kitashima, S. Miura, H. Hosoda

Journal of Alloys and Compounds, 577(SUPPL. 1), Nov 15, 2013
直交配置型FIB-SEMを用いた骨系細胞からコラーゲン線維までのマルチスケール観察

保崎留美子, 上岡寛, 原徹, 原由佳, 張偉珠, 今井裕一, 長岡紀幸, 山城隆

日本骨形態計測学会雑誌, 23(1) S96-S96, Jun, 2013
Response characteristics of tes microclorimeters with different absorber structure

Makoto Maeda, Takashi Yasumune, Naoko Iyomoto, Keisuke Maehata, Toru Hara, Kazuhisa Mitsuda, Noriko Yamasaki, Keiichi Tanaka, Yoshihiro Yamanaka, Takuji Ito

Proceedings of the 26th Workshop on Radiation Detectors and Their Uses, 66-73, Dec 1, 2012
Development of a superconductor transition-edge sensor as an X-ray spectrometer for a transmission electron microscope

HARA Toru, TANAKA Keiichi, MAEHATA Keisuke, MITSUDA Kazuhisa

81(2) 139-142, Feb 10, 2012
20pCD-5 Real-space Observation of magnetic structures in B20-type Helimagnets Mn_<1-x>Fe_xGe

Shibata K., Park H.S., Tonomura A., Tokura Y., Yu X.Z., Tanigaki T., Kanazawa N., Ishiwata S., Onose Y., Hara T. …

Meeting Abstracts of the Physical Society of Japan, 67 436-436, 2012 Peer-reviewed

Professional Memberships

Research Projects

Elucidation of early bone tissue architecture by in vivo volumetric image analysis-from both sides of cells and bone matrix

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2027
甲殻類最強の把持力を持つヤシガニの3D組織構造と機械的特性

科学研究費助成事業, 基盤研究(A), 日本学術振興会, Apr, 2021 - Mar, 2025

井上忠信, 岡慎一郎, 中里浩二, 原徹
Challenge to clarify mechanisms of aging on the basis of technological development of 3 dimensional structural-element correlative analyses in the body

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jul, 2020 - Mar, 2023
Elucidation of mechanosensor function acquisition process of osteocytes using 3D-volumetric image data

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2023
Analysis of the new role of a collagen network for the morphogenesis during the bone modeling

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

KAMIOKA HIROSHI, ADACHI Taiji, JAGER Edwin
Ultramicroscopy study of formation dynamics and three dimensional structure of thermoelastic martensitic phase

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2017

NISHIDA MINORU, INAMURA Tomonari, HARA Toru, SOEJIMA Yohei
Improvement of compositional analysis on TEM by means of microcalorimeter-EDS

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

HARA TORU, MARHATA Keisuke, NISHIDA Minoru
Search for new mechanism of bone remodeling by the collagen nano-model analysis

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

KAMIOKA HIROSHI, KAMEO YOSHITAKA, SUMIYOSHI KUMI, HARA TORU, ADACHI TAIJI
Multi-scale analysis of omega transformation using novel microscopy techniques

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2014

NISHIDA Minoru, ITAKURA Masaru, HATA Satoshi, MITSUHARA Masatoshi, FARJAMI Sahar, HARA Toru
Development of analytical method with a microcalorimeter-EDS on TEM and its application for metallic materials

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2010 - 2012

HARA Toru
Analysis of unsolved phenomena and development of new function in Ti-Ni shape memory alloy

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2008 - 2010

NISHIDA Minoru, NAKASHIMA Hideharu, ITAKURA Masaru, HATA Satoshi, IKEDA KenーIchi, MITSUHARA Masatoshi, MATSUDA Mitsuhiro, HARA Toru
Improvement of shape memory effect for high-temperature shape memory alloys

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2007 - 2010

MITARAI Yoko, HARA Toru, PIN Dehai
Phase transformation and mechanical properties of ultra-high temperature platinum group metals base shape memory alloys

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2004 - 2005

YAMABE Yoko, HARA Toru, KISHIDA Kyosuke
マルテンサイト変態する合金の双晶境界と相変態のメカニズム

科学研究費助成事業, 重点領域研究, 日本学術振興会, 1997 - 1997

大庭卓也, 中村真一, 原徹
Low Temperature Equipment for Four Circle Diffractometer Developed by Using Small Closed-Cycle Integral Stirling Engine

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 1994 - 1996

OHBA Takuya, YAMANO Akito, NAKAMURA Shinichi, HARA Toru, TAI Hideo
Ti-Ni系形状記憶合金の低温時効による異常な変態挙動の発現機構の解明

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1995 - 1995

原徹
Effect of B Concentration on the Composite Crystal Nd-Fe-B

Grants-in-Aid for Scientific Research, Grant-in-Aid for General Scientific Research (C), Japan Society for the Promotion of Science, 1993 - 1994

OHBA Takuya, HARA Toru
Research of the First Order Diffusionless Phase Transformations on Atomic and Microscopic Scales

Grants-in-Aid for Scientific Research, Grant-in-Aid for international Scientific Research, Japan Society for the Promotion of Science, 1992 - 1993

OTSUKA Kazuhiro, WILKINS S.W., FINLAYSON T.R., DUNNE D.P., MORTON A.J., HARA Toru, OHBA Takuya, ODA Katsuro, OHSHIMA Kenichi, SUZUKI Tetsuro
Study of Nd-Fe-B Composite Crystal on Incommensurability

Grants-in-Aid for Scientific Research, Grant-in-Aid for General Scientific Research (C), Japan Society for the Promotion of Science, 1991 - 1992

OHBA Takuya, HARA Toru

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