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  • Hiroyuki Toda
2019

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., Oct 24 2019, In : Materials Science and Engineering A. 766, 138264.

Research output: Contribution to journalArticle

2017

4D hydrogen embrittlement behaviour in high strength aluminium alloy

Toda, H., Shimizu, K., Gao, H. & Hirayama, K., Jan 1 2017, p. 728-729. 2 p.

Research output: Contribution to conferencePaper

2016

Damage behavior of micro segregation in Al-Si alloy by use of phase contrast imaging

Yamada, R., Toda, H., Besel, Y., Uesugi, K. & Akihisa, T., Jan 1 2016, 72nd World Foundry Congress, WFC 2016. The WFO (The World Foundry Organization Ltd), p. 379-380 2 p. (72nd World Foundry Congress, WFC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2017

Hydrogen induced strain localization in Al-Zn-Mg-Cu aluminum alloys

Su, H., Toda, H., Masunaga, R., Uesugi, K., Takeuchi, A. & Watanabe, Y., Jan 1 2017, p. 710-711. 2 p.

Research output: Contribution to conferencePaper

2016

Ductile fracture via hydrogen pore mechanism in an aluminum alloy; quantitative microstructural analysis and image-based finite element analysis

Hosokawa, A., Toda, H., Batres, R., Li, H., Kuwazuru, O., Kobayashi, M. & Yakita, H., Aug 1 2016, In : Materials Science and Engineering A. 671, p. 96-106 11 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2017

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., Mar 1 2017, In : Acta Materialia. 126, p. 401-412 12 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2018

First-principles study of hydrogen segregation at the MgZn2 precipitate in Al-Mg-Zn alloys

Tsuru, T., Yamaguchi, M., Ebihara, K., Itakura, M., Shiihara, Y., Matsuda, K. & Toda, H., Jun 1 2018, In : Computational Materials Science. 148, p. 301-306 6 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2017

Influence of intermetallic particles on the initiation and growth behavior of hydrogen micropores during high-temperature exposure in Al-Zn-Mg-Cu aluminum alloys

Su, H., Bhuiyan, S., Toda, H., Uesugi, K., Takeuchi, A. & Watanabe, Y., Jul 1 2017, In : Scripta Materialia. 135, p. 19-23 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2018

Microstructure evolution in a hydrogen charged and aged Al–Zn–Mg alloy

Bendo, A., Matsuda, K., Lee, S., Nishimura, K., Toda, H., Shimizu, K., Tsuru, T. & Yamaguchi, M., Nov 2018, In : Materialia. 3, p. 50-56 7 p.

Research output: Contribution to journalReview article

3 Citations (Scopus)
2020
1 Citation (Scopus)
2018

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., Dec 19 2018, In : Materials Science and Engineering A. 738, p. 229-237 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2016

State of 3-D micro-damage in hydrogen redistributed regions of precharged high strength aluminium alloy

Gupta, C., Toda, H., Fujioka, T., Kobayashi, M., Hoshino, H., Uesugi, K., Takeuchi, A. & Suzuki, Y., Oct 1 2016, In : Corrosion Science. 111, p. 26-38 13 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2018

Influence of hydrogen on strain localization and fracture behavior in Al–Zn–Mg–Cu aluminum alloys

Su, H., Toda, H., Masunaga, R., Shimizu, K., Gao, H., Sasaki, K., Bhuiyan, M. S., Uesugi, K., Takeuchi, A. & Watanabe, Y., Oct 15 2018, In : Acta Materialia. 159, p. 332-343 12 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2019

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

Translated title of the contribution: Influence of hydrogen on stress corrosion cracking behavior in Al-10Mg alloyHirayama, K., Toda, H., Shimizu, K., Uesugi, K., Takeuchi, A. & Masunaga, R., Jan 1 2019, In : Keikinzoku/Journal of Japan Institute of Light Metals. 69, 4, p. 223-227 5 p.

Research output: Contribution to journalArticle

Open Access
2016

Influences of Hydrogen Micropores and Intermetallic Particles on Fracture Behaviors of Al-Zn-Mg-Cu Aluminum Alloys

Su, H., Yoshimura, T., Toda, H., Bhuiyan, M. S., Uesugi, K., Takeuchi, A., Sakaguchi, N. & Watanabe, Y., Dec 1 2016, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 47, 12, p. 6077-6089 13 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2019

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

Shimizu, K., Toda, H., Fujihara, H., Hirayama, K., Uesugi, K. & Takeuchi, A., Jul 2019, In : Engineering Fracture Mechanics. 216, 106503.

Research output: Contribution to journalArticle

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., Feb 2019, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 105, 2, p. 118-131 14 p.

Research output: Contribution to journalArticle

Open Access
2017

Corrigendum to “Damage micromechanisms in dual-phase steel investigated with combined phase- and absorption-contrast tomography” [Acta Materialia 126 (2017) 401–412](S1359645417300101)(10.1016/j.actamat.2017.01.010)

Toda, H., Takijiri, A., Azuma, M., Yabu, S., Hayashi, K., Seo, D., Kobayashi, M., Hirayama, K., Takeuchi, A. & Uesugi, K., Jul 2017, In : Acta Materialia. 133, 1 p.

Research output: Contribution to journalComment/debate

1 Citation (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., Jan 1 2017, In : Keikinzoku/Journal of Japan Institute of Light Metals. 67, 5, p. 162-167 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2016

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., Apr 1 2016, In : Acta Materialia. 107, p. 310-324 15 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Corrigendum to "Combined microtomography, thermal desorption spectroscopy, X-ray diffraction study of hydrogen trapping behavior in 7XXX aluminum alloys" [Mater. Sci. Eng. A 655 (2016) 221-228] doi: 10.1016/j.msea.2015.12.092

Bhuiyan, M. S., Toda, H., Peng, Z., Hang, S., Horikawa, K., Uesugi, K., Takeuchi, A., Sakaguchi, N. & Watanabe, Y., Jun 21 2016, In : Materials Science and Engineering A. 668, p. 271-272 2 p.

Research output: Contribution to journalComment/debate

1 Citation (Scopus)
2019

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

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

Research output: Contribution to journalArticle

4 Citations (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., Feb 5 2019, In : Journal of Alloys and Compounds. 774, p. 405-409 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2018

The Role of Hydrogen on the Local Fracture Toughness Properties of 7XXX Aluminum Alloys

Bhuiyan, M. S., Toda, H., Shimizu, K., Su, H., Uesugi, K., Takeuchi, A. & Watanabe, Y., Nov 1 2018, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 49, 11, p. 5368-5381 14 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2019

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., Jan 1 2019, In : Materials Transactions. 60, 8, p. 1688-1696 9 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

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

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

Research output: Contribution to journalArticle

Open Access

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., Dec 2019, In : Materials Characterization. 158, 109958.

Research output: Contribution to journalArticle

2016

Combined microtomography, thermal desorption spectroscopy, X-ray diffraction study of hydrogen trapping behavior in 7XXX aluminum alloys

Bhuiyan, M. S., Toda, H., Peng, Z., Hang, S., Horikawa, K., Uesugi, K., Takeuchi, A., Sakaguchi, N. & Watanabe, Y., Feb 8 2016, In : Materials Science and Engineering A. 655, p. 221-228 8 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)
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., Mar 28 2019, In : Materials Science and Engineering A. 751, p. 351-362 12 p.

Research output: Contribution to journalArticle

2016

Influences of hydrogen on deformation and fracture behaviors of high Zn 7XXX aluminum alloys

Bhuiyan, M. S., Tada, Y., Toda, H., Hang, S., Uesugi, K., Takeuchi, A., Sakaguchi, N. & Watanabe, Y., Jul 1 2016, In : International Journal of Fracture. 200, 1-2, p. 13-29 17 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Three-dimensional stress and strain around real shape Si particles in cast aluminum alloy under cyclic loading

Teranishi, M., Kuwazuru, O., Gennai, S., Kobayashi, M. & Toda, H., Dec 15 2016, In : Materials Science and Engineering A. 678, p. 273-285 13 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

3D fracture behaviours in dual-phase stainless steel

Toda, H., Tomizato, F., Harasaki, R., Seo, D., Kobayashi, M., Takeuchi, A. & Uesugi, K., Jan 1 2016, In : isij international. 56, 5, p. 883-892 10 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Construction of finite element meshes for polycrystal grains model from X-ray CT image

Kobayashi, M., Matsuyama, T., Kouno, A., Toda, H. & Miura, H., Jan 1 2016, In : Materials Transactions. 57, 12, p. 2089-2096 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2018

Size and distribution of micropores and voids in 5052 aluminum alloys during tensile deformation

Hojo, T., Kikuchi, M., Shimizu, K., Toda, H., Takeuchi, A. & Akiyama, E., Jan 1 2018, In : Keikinzoku/Journal of Japan Institute of Light Metals. 68, 11, p. 630-634 5 p.

Research output: Contribution to journalArticle

Open Access
2016

Quantitative tomography of hydrogen precharged and uncharged Al-Zn-Mg-Cu alloy after tensile fracture

Gupta, C., Toda, H., Fujioka, T., Kobayashi, M., Hoshino, H., Uesugi, K., Takeuchi, A. & Suzuki, Y., Jul 18 2016, In : Materials Science and Engineering A. 670, p. 300-313 14 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2017

ADC12合金のミクロな偏析の位相イメージングと損傷挙動

Toda, H., 2017, In : 鋳造工学. 89, 1, p. 10-16

Research output: Contribution to journalArticle

2019

X 9Cr-1Mo 㗰㒊㔞ホ

Translated title of the contribution: Quantitative evaluation of creep voids in Mod.9Cr-1Mo steel welded joints with X - Ray micro-tomographyTsuruta, H., Toda, H., Yatomi, M., Yoshida, K., Takeuchi, A., Uesugi, M., Tabuchi, M. & Hongou, H., Jan 1 2019, In : Zairyo/Journal of the Society of Materials Science, Japan. 68, 8, p. 599-606 8 p.

Research output: Contribution to journalArticle

Open Access
2017

シンクロトロン放射光を用いた3D/4Dイメージングの現状

Toda, H. & Hirayama, K., 2017, In : ふえらむ. 22, 2, p. 99-103

Research output: Contribution to journalReview article

2016

Identification of material properties using nanoindentation and surrogate modeling

Li, H., Gutierrez, L., Toda, H., Kuwazuru, O., Liu, W., Hangai, Y., Kobayashi, M. & Batres, R., Mar 1 2016, In : International Journal of Solids and Structures. 81, p. 151-159 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2018

Evolution behavior of hydrogen-induced nano voids in AlZnMgCu aluminum alloys under loading

Gao, H., Su, H., Shimizu, K., Kadokawa, C., Toda, H., Terada, Y., Uesugi, K. & Takeuchi, A., Jan 1 2018, In : Materials Transactions. 59, 9, p. 1532-1535 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2019

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., Nov 2 2019, In : Philosophical Magazine. 99, 21, p. 2619-2635 17 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

4D characterization of the stress corrosion cracking behavior in Al-10Mg aluminium alloy via synchrotron X-ray tomography

Fu, D., Toda, H., Su, H., Hirayama, K., Uesugi, K. & Takeuchi, A., Jan 1 2019, Proceedings of the 29th International Ocean and Polar Engineering Conference, ISOPE 2019. Chung, J. S., Akselsen, O. M., Jin, H., Kawai, H., Lee, Y., Matskevitch, D., Ho Van, S., Wan, D., Wang, A. M. & Yamaguchi, S. (eds.). International Society of Offshore and Polar Engineers, p. 4199-4203 5 p. (Proceedings of the International Offshore and Polar Engineering Conference; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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., Sep 1 2019, In : Acta Materialia. 176, p. 96-108 13 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2018

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., Mar 1 2018, In : Journal of Materials Science. 53, 6, p. 4598-4611 14 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)