研究成果

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2020

Distinct fatigue limit of a 6XXX series aluminum alloy in relation to crack tip strain-aging

Takahashi, Y., Kuriki, R., Kurihara, J., Kozawa, T., Shikama, T. & Noguchi, H., 5 21 2020, : : Materials Science and Engineering A. 785, 139378.

研究成果: ジャーナルへの寄稿記事

Fatigue crack propagation modes: plastic deformation mode and damage accumulation mode

Hamada, S., Zhang, K., Koyama, M., Ueda, M. & Noguchi, H., 3 1 2020, : : International Journal of Fracture. 222, 1-2, p. 111-122 12 p.

研究成果: ジャーナルへの寄稿記事

Growth behavior of a mechanically long fatigue crack in an FeCrNiMnCo high entropy alloy: A comparison with an austenitic stainless steel

Mizumachi, S., Koyama, M., Fukushima, Y. & Tsuzaki, K., 1 1 2020, : : isij international. 60, 1, p. 175-181 7 p.

研究成果: ジャーナルへの寄稿記事

公開

Hydrogen-accelerated spontaneous microcracking in high-strength aluminium alloys

Tsuru, T., Shimizu, K., Yamaguchi, M., Itakura, M., Ebihara, K., Bendo, A., Matsuda, K. & Toda, H., 12 1 2020, : : Scientific reports. 10, 1, 1998.

研究成果: ジャーナルへの寄稿記事

公開

Influence of nanotwins on hydrogen embrittlement of TWIP (twinning-induced plasticity) steel processed by high-pressure torsion

Mohammadi, A., Edalati, K., Coimbrão, D. D., Botta, W. J. & Noguchi, H., 5 5 2020, : : Materials Science and Engineering A. 783, 139273.

研究成果: ジャーナルへの寄稿記事

In-Situ Electron Channeling Contrast Imaging under Tensile Loading: Residual Stress, Dislocation Motion, and Slip Line Formation

Nakafuji, K., Koyama, M. & Tsuzaki, K., 12 1 2020, : : Scientific reports. 10, 1, 2622.

研究成果: ジャーナルへの寄稿記事

公開
2 引用 (Scopus)

Multiple damage mechanisms facilitated by planar dislocation glide in a commercial-grade precipitation-strengthened Fe–Ni–Cr-based steel

Verma, V. K., Koyama, M., Hamada, S. & Akiyama, E., 4 24 2020, : : Materials Science and Engineering A. 782, 139250.

研究成果: ジャーナルへの寄稿記事

Planar slip-driven fatigue crack initiation and propagation in an equiatomic CrMnFeCoNi high-entropy alloy

Suzuki, K., Koyama, M., Hamada, S., Tsuzaki, K. & Noguchi, H., 4 2020, : : International Journal of Fatigue. 133, 105418.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Plastic deformation sequence and strain gradient characteristics of hydrogen-induced delayed crack propagation in single-crystalline Fe–Si alloy

Huynh, T. T., Koyama, M., Takahashi, Y., Hamada, S., Tsuzaki, K. & Noguchi, H., 3 15 2020, : : Scripta Materialia. 178, p. 99-103 5 p.

研究成果: ジャーナルへの寄稿記事

Revealing the mechanism of critical root radius in notch fatigue limit based on crack closure concept

Li, B., Jiang, C., Noguchi, H. & Liu, L., 1 2020, : : International Journal of Fatigue. 130, 105261.

研究成果: ジャーナルへの寄稿記事

Strain rate and hydrogen effects on crack growth from a notch in a Fe-high-Mn steel containing 1.1 wt% solute carbon

Najam, H., Koyama, M., Bal, B., Akiyama, E. & Tsuzaki, K., 1 1 2020, : : International Journal of Hydrogen Energy. 45, 1, p. 1125-1139 15 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)
2019

1-second-resolved strain mapping in Ti-6Al-4V alloys during dwell fatigue in SEM by video sampling moiré

Wang, Q., Ri, S., Maenosono, A., Tanaka, Y. & Koyama, M., 6 2019, : : Mechanics of Materials. 133, p. 63-70 8 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Abnormally enhanced diamagnetism in Al-Zn-Mg alloys

Nishimura, K., Matsuda, K., Lee, S., Nunomura, N., Shimano, T., Bendo, A., Watanabe, K., Tsuchiya, T., Namiki, T., Toda, H. & Yamaguchi, M., 2 5 2019, : : Journal of Alloys and Compounds. 774, p. 405-409 5 p.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Al-10Mg 合金における応力腐食割れ挙動に及ぼす水素の影響

Hirayama, K., Toda, H., Shimizu, K., Uesugi, K., Takeuchi, A. & Masunaga, R., 1 1 2019, : : Keikinzoku/Journal of Japan Institute of Light Metals. 69, 4, p. 223-227 5 p.

研究成果: ジャーナルへの寄稿記事

公開

An unreported precipitate orientation relationship in Al-Zn-Mg based alloys

Bendo, A., Matsuda, K., Lervik, A., Tsuru, T., Nishimura, K., Nunomura, N., Holmestad, R., Marioara, C. D., Shimizu, K., Toda, H. & Yamaguchi, M., 12 2019, : : Materials Characterization. 158, 109958.

研究成果: ジャーナルへの寄稿記事

Assessment of hydrogen embrittlement via image-based techniques in Al–Zn–Mg–Cu aluminum alloys

Su, H., Toda, H., Shimizu, K., Uesugi, K., Takeuchi, A. & Watanabe, Y., 9 1 2019, : : Acta Materialia. 176, p. 96-108 13 p.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

Assessment of predominant microstructural features controlling 3D short crack growth behavior via a surrogate approach in Ti-6Al-4V

Hassanipour, M., Watanabe, S., Hirayama, K., Li, H., Toda, H., Uesugi, K. & Takeuchi, A., 3 28 2019, : : Materials Science and Engineering A. 751, p. 351-362 12 p.

研究成果: ジャーナルへの寄稿記事

Characterisation of structural similarities of precipitates in Mg–Zn and Al–Zn–Mg alloys systems

Bendo, A., Maeda, T., Matsuda, K., Lervik, A., Holmestad, R., Marioara, C. D., Nishimura, K., Nunomura, N., Toda, H., Yamaguchi, M., Ikeda, K. I. & Homma, T., 11 2 2019, : : Philosophical Magazine. 99, 21, p. 2619-2635 17 p.

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)
2 引用 (Scopus)

Crystallographic selection rule for the propagation mode of microstructurally small fatigue crack in a laminated Ti-6Al-4V alloy: Roles of basal and pyramidal slips

Maenosono, A., Koyama, M., Tanaka, Y., Ri, S., Wang, Q. & Noguchi, H., 11 2019, : : International Journal of Fatigue. 128, 105200.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Detection of hydrogen effusion before, during, and after martensitic transformation: Example of multiphase transformation-induced plasticity steel

Koyama, M., Yamasaki, D., Ikeda, A., Hojo, T., Akiyama, E., Takai, K. & Tsuzaki, K., 10 4 2019, : : International Journal of Hydrogen Energy. 44, 47, p. 26028-26035 8 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

EBSD and ECCI based assessments of inhomogeneous plastic strain evolution coupled with digital image correlation

Kakimoto, R., Koyama, M. & Tsuzaki, K., 2 2019, : : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 105, 2, p. 100-108 9 p.

研究成果: ジャーナルへの寄稿記事

公開

EBSD- And ECCI-based Assessments of Inhomogeneous Plastic Strain Evolution Coupled with Digital Image Correlation

Kakimoto, R., Koyama, M. & Tsuzaki, K., 1 1 2019, : : isij international. 59, 12, p. 2334-2342 9 p.

研究成果: ジャーナルへの寄稿記事

公開
2 引用 (Scopus)

Effect of Copper Addition on Precipitation Behavior near Grain Boundary in AlZnMg Alloy

Matsuda, K., Yasumoto, T., Bendo, A., Tsuchiya, T., Lee, S., Nishimura, K., Nunomura, N., Marioara, C. D., Levik, A., Holmestad, R., Toda, H., Yamaguchi, M., Ikeda, K. I., Homma, T. & Ikeno, S., 1 1 2019, : : Materials Transactions. 60, 8, p. 1688-1696 9 p.

研究成果: ジャーナルへの寄稿記事

公開
1 引用 (Scopus)

Effect of defects on the fatigue limit of Ni-based superalloy 718 with different grain sizes

Kevinsanny, Okazaki, S., Takakuwa, O., Ogawa, Y., Okita, K., Funakoshi, Y., Yamabe, J., Matsuoka, S. & Matsunaga, H., 5 1 2019, : : Fatigue and Fracture of Engineering Materials and Structures. 42, 5, p. 1203-1213 11 p.

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

Effect of Hydrogen on the Substructure of Lenticular Martensite in Fe-31Ni Alloy

Shibata, A., Enoki, M., Saji, N., Tai, H., Koyama, M., Ohtani, H., Tsuji, N. & Tsuzaki, K., 9 15 2019, : : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 50, 9, p. 4027-4036 10 p.

研究成果: ジャーナルへの寄稿記事

Effects of 3D microstructural distribution on short crack growth behavior in two bimodal Ti–6Al–4V alloys

Hassanipour, M., Watanabe, S., Hirayama, K., Toda, H., Uesugi, K. & Takeuchi, A., 10 24 2019, : : Materials Science and Engineering A. 766, 138264.

研究成果: ジャーナルへの寄稿記事

Enhancement of hydrogen embrittlement resistance of Fe-Mn-C twinning-induced plasticity steel by partial recrystallization technique

Park, T. M., Kim, M. T., Baik, K. H., Koyama, M. & Han, J., 5 2019, : : Materials Characterization. 151, p. 221-226 6 p.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Evolution of quasi-brittle hydrogen-assisted damages in a dual-phase steel

Kumamoto, T., Koyama, M., Sato, K. & Tsuzaki, K., 1 1 2019, : : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 83, 7, p. 221-230 10 p.

研究成果: ジャーナルへの寄稿記事

公開
1 引用 (Scopus)

Evolution of quasi-brittle hydrogen-assisted damages in a dual-phase steel

Kumamoto, T., Koyama, M., Sato, K. & Tsuzaki, K., 1 1 2019, : : Materials Transactions. 60, 11, p. 2368-2377 10 p.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Experimental confirmation of grain boundary magnetism in FeSi and FeSn alloys by TEM-EELS

Ii, S., Hirayama, K. & Tsurekawa, S., 1 1 2019, : : Materials Transactions. 60, 5, p. 636-641 6 p.

研究成果: ジャーナルへの寄稿記事

Fatigue behavior in an Fe-N binary ferritic steel: Similarity and difference between carbon and nitrogen

Habib, K., Koyama, M., Sakurada, E., Yoshimura, N., Yokoi, T., Ushioda, K., Tsuzaki, K. & Noguchi, H., 1 1 2019, : : isij international. 59, p. 186-191 6 p.

研究成果: ジャーナルへの寄稿記事

Fatigue Resistance of Laminated and Non-laminated TRIP-maraging Steels: Crack Roughness vs Tensile Strength

Zhang, Z., Koyama, M., Wang, M., Tasan, C. C. & Noguchi, H., 3 15 2019, : : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 50, 3, p. 1142-1145 4 p.

研究成果: ジャーナルへの寄稿記事

First-principles calculation of multiple hydrogen segregation along aluminum grain boundaries

Yamaguchi, M., Ebihara, K. I., Itakura, M., Tsuru, T., Matsuda, K. & Toda, H., 1 2019, : : Computational Materials Science. 156, p. 368-375 8 p.

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

First-Principles Study of Chemical Driving Force for Face Centered Cubic to Hexagonal Close Packed Martensitic Transformation in Hydrogen-Charged Iron

Kuroki, Y., Kawano, S., Iikubo, S., Ohtani, H., Koyama, M. & Tsuzaki, K., 7 15 2019, : : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 50, 7, p. 3019-3023 5 p.

研究成果: ジャーナルへの寄稿記事

Grain refinement effect on hydrogen embrittlement resistance of an equiatomic CoCrFeMnNi high-entropy alloy

Koyama, M., Ichii, K. & Tsuzaki, K., 6 21 2019, : : International Journal of Hydrogen Energy. 44, 31, p. 17163-17167 5 p.

研究成果: ジャーナルへの寄稿記事

Growth behavior of a mechanically long fatigue crack in an FeCrNiMnCo high entropy alloy: A comparison with an austenitic stainless steel

Mizumachi, S., Koyama, M., Fukushima, Y. & Tsuzaki, K., 2 2019, : : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 105, 2, p. 93-99 7 p.

研究成果: ジャーナルへの寄稿記事

公開
1 引用 (Scopus)

Hydrogen-assisted crack propagation in α-iron during elasto-plastic fracture toughness tests

Birenis, D., Ogawa, Y., Matsunaga, H., Takakuwa, O., Yamabe, J., Prytz, Ø. & Thøgersen, A., 5 22 2019, : : Materials Science and Engineering A. 756, p. 396-404 9 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Hydrogen desorption behavior in Al-8%Zn-1%Mg alloy

Fujihara, H., Toda, H., Shimizu, K., Takeuchi, A. & Uesugi, K., 1 1 2019, : : Keikinzoku/Journal of Japan Institute of Light Metals. 69, 3, p. 186-193 8 p.

研究成果: ジャーナルへの寄稿記事

公開