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研究成果 2009 2019

  • 46 引用
  • 4 h指数
  • 12 記事
  • 2 コメント/討論
  • 1 会議での発言
  • 1 評論記事
フィルター
記事
2019

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

short cracks
Crack propagation
cracks
Cracks
shear stress

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

Electron energy loss spectroscopy
Magnetism
Grain boundaries
grain boundaries
Transmission electron microscopy

Hydrogen partitioning behavior and related hydrogen embrittlement in Al-Zn-Mg alloys

Shimizu, K., Toda, H., Fujihara, H., Hirayama, K., Uesugi, K. & Takeuchi, A., 1 1 2019, : : Engineering Fracture Mechanics. 106503.

研究成果: ジャーナルへの寄稿記事

Hydrogen embrittlement
Hydrogen
Precipitates
Grain boundaries
Mg-Al-Zn-Mn-Si-Cu alloy

Optimization of mechanical properties in aluminum alloys via hydrogen partitioning control

Toda, H., Yamaguchi, M., Matsuda, K., Shimizu, K., Hirayama, K., Su, H., Fujihara, H., Ebihara, K., Itakura, M., Tsuru, T., Nishimura, K., Nunomura, N., Lee, S., Tsuchiya, T., Takeuchi, A. & Uesugi, K., 2 1 2019, : : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 105, 2, p. 118-131 14 p.

研究成果: ジャーナルへの寄稿記事

公開
hydrogen embrittlement
Hydrogen embrittlement
aluminum alloys
Hydrogen
Aluminum alloys
2018
10 引用 (Scopus)

Atomic scale HAADF-STEM study of η′ and η 1 phases in peak-aged Al–Zn–Mg alloys

Bendo, A., Matsuda, K., Lee, S., Nishimura, K., Nunomura, N., Toda, H., Yamaguchi, M., Tsuru, T., Hirayama, K., Shimizu, K., Gao, H., Ebihara, K., Itakura, M., Yoshida, T. & Murakami, S., 3 1 2018, : : Journal of Materials Science. 53, 6, p. 4598-4611 14 p.

研究成果: ジャーナルへの寄稿記事

Precipitates
Thermomechanical treatment
Phase boundaries
Model structures
Electron microscopes
1 引用 (Scopus)

Short crack growth behavior and its transitional interaction with 3D microstructure in Ti-6Al-4V

Hassanipour, M., Watanabe, S., Hirayama, K., Toda, H., Uesugi, K. & Takeuchi, A., 12 19 2018, : : Materials Science and Engineering A. 738, p. 229-237 9 p.

研究成果: ジャーナルへの寄稿記事

short cracks
Crack propagation
cracks
microstructure
Microstructure
2017
8 引用 (Scopus)

Damage micromechanisms in dual-phase steel investigated with combined phase- and absorption-contrast tomography

Toda, H., Takijiri, A., Azuma, M., Yabu, S., Hayashi, K., Seo, D., Kobayashi, M., Hirayama, K., Takeuchi, A. & Uesugi, K., 3 1 2017, : : Acta Materialia. 126, p. 401-412 12 p.

研究成果: ジャーナルへの寄稿記事

Steel
Martensite
Tomography
Ferrite
Nucleation
1 引用 (Scopus)

Precipitation structure and mechanical properties on peak-aged Al-Zn-Mg alloys including different with some zn/mg ratios

Lee, S., Watanabe, K., Matsuda, K., Nishimura, K., Numomura, N., Toda, H., Hirayama, K., Shimizu, K., Gao, H., Yamaguchi, M., Ebihara, K., Itakura, M., Tsuru, T., Yoshida, T., Murakami, S. & Ikeno, S., 1 1 2017, : : Keikinzoku/Journal of Japan Institute of Light Metals. 67, 5, p. 162-167 6 p.

研究成果: ジャーナルへの寄稿記事

Mechanical properties
Precipitates
Electron diffraction
Diffraction patterns
Tensile strength
2016
9 引用 (Scopus)

Diffraction-amalgamated grain boundary tracking for mapping 3D crystallographic orientation and strain fields during plastic deformation

Toda, H., Kamiko, T., Tanabe, Y., Kobayashi, M., Leclere, D. J., Uesugi, K., Takeuchi, A. & Hirayama, K., 4 1 2016, : : Acta Materialia. 107, p. 310-324 15 p.

研究成果: ジャーナルへの寄稿記事

Crystal orientation
Plastic deformation
Grain boundaries
Diffraction
X ray diffraction
2015

Grain boundary engineering of 10% Cr ferritic-martensitic steel SUH3

Hirayama, K., Yoshii, Y., Morizono, Y., Tsurekawa, S. & Hidaka, Y., 1 1 2015, : : isij international. 55, 9, p. 1973-1979 7 p.

研究成果: ジャーナルへの寄稿記事

Martensitic steel
Ferritic steel
Grain boundaries
Martensite
Steel
2014
2 引用 (Scopus)
Electron energy loss spectroscopy
Nickel
Magnetic moments
Grain boundaries
Transmission electron microscopy
2013
12 引用 (Scopus)

Direct measurement of local magnetic moments at grain boundaries in iron

Ii, S., Hirayama, K., Matsunaga, K., Fujii, H. & Tsurekawa, S., 3 1 2013, : : Scripta Materialia. 68, 5, p. 253-256 4 p.

研究成果: ジャーナルへの寄稿記事

Magnetic moments
Grain boundaries
Iron
grain boundaries
magnetic moments