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2014

高分解能4Dイメージングによる球状黒鉛鋳鉄の疲労挙動解析

Translated title of the contribution: Fatigue Behavior Analysis of Spheroidal Graphite Cast Iron via High Resolution 4D ImagingToda, H., 2014, In : 鋳造工学. Vol.86, No.1, p. 19-25

Research output: Contribution to journalArticle

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

2013

Al-Cu二元系合金鋳物におけるCu濃度3Dマッピング

Translated title of the contribution: Three-Dimensional Copper Concentration Mapping in Al-Cu Binary Alloy CastingsToda, H., 2013, In : 鋳造工学. Vol.85, No.4, p. 205-209

Research output: Contribution to journalArticle

2012
2013

結晶粒の塑性変形挙動の3D/4D追跡技術

Translated title of the contribution: 3D/4D Tracking Technique for Investigation of Grain Deformation BehaviorToda, H., 2013, In : 塑性と加工. p. 881-885

Research output: Contribution to journalReview article

2014

Image-based finite element analysis for reverse 4D materials engineering: Ductile fracture originated from hydrogen pores

Hosokawa, A., Kurino, T., Toda, H., Uesugi, K., Takeuchi, A. & Suzuki, Y., Jan 1 2014, In : Keikinzoku/Journal of Japan Institute of Light Metals. 64, 11, p. 611-612 2 p.

Research output: Contribution to journalArticle

Ductile fracture
Hydrogen
Finite element method
2013
1 Citation (Scopus)

Effect of micro-voids on crack initiation and propagation in bending deformation of Al-Mg-Si alloy sheets

Yamamoto, Y., Asano, M., Yoshida, H., Kobayashi, M. & Toda, H., Dec 1 2013, In : Keikinzoku/Journal of Japan Institute of Light Metals. 63, 12, p. 452-457 6 p.

Research output: Contribution to journalArticle

Crack initiation
Shear bands
Crack propagation
Cracks
Synchrotron radiation
2011
1 Citation (Scopus)

3D/4D strain mapping using in-situ X-ray microtomography

Toda, H., Uesugi, K., Suzuki, Y. & Kobayashi, M., Oct 26 2011, Advances in Experimental Mechanics VIII. p. 249-254 6 p. (Applied Mechanics and Materials; vol. 70).

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

X rays
Crack tips
Cracks
Image resolution
Stress intensity factors
2012
15 Citations (Scopus)

Spatial resolution of synchrotron x-ray microtomography in high energy range: Effect of x-ray energy and sample-to-detector distance

Seo, D., Tomizato, F., Toda, H., Uesugi, K., Takeuchi, A., Suzuki, Y. & Kobayashi, M., Dec 24 2012, In : Applied Physics Letters. 101, 26, 261901.

Research output: Contribution to journalArticle

synchrotrons
spatial resolution
detectors
x rays
energy
2014
1 Citation (Scopus)

Simulation of deformation texture evolution in aluminum alloy based on local strain obtained by synchrotron 3D measurement

Kouno, A., Kobayashi, M., Toda, H. & Miura, H., Jan 1 2014, In : Keikinzoku/Journal of Japan Institute of Light Metals. 64, 11, p. 557-563 7 p.

Research output: Contribution to journalArticle

Synchrotrons
Aluminum alloys
Textures
Synchrotron radiation
Microstructure
2015

Optimization of hydrogen embrittlement in Al-Zn-Mg alloys

Shimizu, K., Toda, H., Sasaki, K., Uesugi, K. & Takeuchi, A., Jan 1 2015, Materials Science and Technology Conference and Exhibition 2015, MS and T 2015. Association for Iron and Steel Technology, AISTECH, Vol. 2. p. 1583-1587 5 p.

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

Hydrogen embrittlement
2013
8 Citations (Scopus)

Micro-pore development phenomenon in hydrogen pre-charged aluminum alloy studied using synchrotron X-ray micro-tomography

Gupta, C., Toda, H., Fujioka, T., Kobayashi, M., Uesugi, K., Takeuchi, A. & Suzuki, Y., Oct 21 2013, In : Applied Physics Letters. 103, 17, 171902.

Research output: Contribution to journalArticle

aluminum alloys
synchrotrons
tomography
egress
porosity
2012
1 Citation (Scopus)

Fatigue behaviour of hot worked cast aluminium alloys with different Si contents

Kobayashi, M., Hara, H., Toda, H., Sugiyama, D. & Kuroda, N., Jan 1 2012, In : International Journal of Cast Metals Research. 25, 1, p. 31-37 7 p.

Research output: Contribution to journalArticle

Aluminum alloys
Fatigue of materials
Cracks
Eutectics
Thermomechanical treatment
2013
3 Citations (Scopus)

Compression and recovery micro-mechanisms in flexible graphite

Toda, H., Tsubone, K., Shimizu, K., Uesugi, K., Takeuchi, A., Suzuki, Y., Nakazawa, M., Aoki, Y. & Kobayashi, M., Aug 1 2013, In : Carbon. 59, p. 184-191 8 p.

Research output: Contribution to journalArticle

Graphite
Compaction
Recovery
Synchrotrons
X rays
2014

Assessment of deformation behavior of polycrystalline aluminum using diffraction-amalgamated grain-boundary tracking (DAGT) technique

Toda, H., Kamiko, T., Uesugi, K., Takeuchi, A., Suzuki, Y. & Kobayashi, M., Jan 1 2014, Aluminium Alloys, ICAA 2014. Trans Tech Publications Ltd, p. 57-62 6 p. (Materials Science Forum; vol. 794-796).

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

Aluminum
Grain boundaries
grain boundaries
Diffraction
aluminum
2015
Aluminum alloys
Plastic deformation
Tomography
Nucleation
X rays
2013

3D/4D strain mapping using in-situ X-ray microtomography

Toda, H., Uesugi, K., Takeuchi, A., Suzuki, Y. & Kobayashi, M., Jan 1 2013, Imaging Methods for Novel Materials and Challenging Applications - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics. Vol. 3. p. 57-63 7 p.

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

X rays
Crack tips
Image processing
Cracks
2016

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

Polycrystals
polycrystals
Plasticity
mesh
plastic properties
2011

Observation of three-dimensional crack path in a dual phase steel

Zeismann, F., Zellmer, L., Pitz, P., Motoyashiki-Besel, Y., Toda, H. & Brückner-Foit, A., 2011, Conference Program for the 3rd International Conference on Heterogeneous Materials Mechanics, ICHMM 2011. p. 961-964 4 p.

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

Cracks
Steel
Martensitic steel
Microstructure
Ferritic steel
2014
2 Citations (Scopus)

Study of creep damage in creep exposed martensitic high chromium steel weldments

Schlacher, C., Béal, C., Sommitsch, C., Toda, H. & Mayr, P., Jan 1 2014, p. 914-923. 10 p.

Research output: Contribution to conferencePaper

Strengthening (metal)
Chromium
Creep
Steel
Heat affected zone
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

short cracks
Crack propagation
Cracks
cracks
microstructure
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

High strength alloys
Hydrogen embrittlement
Aluminum alloys
X rays
Hydrogen
2013
1 Citation (Scopus)

3D visualization of defects and microstructural features with laboratory-scale X-ray tomography apparatuses

Toda, H., Kobayashi, M., Kubo, T., Moizumi, K., Sugiyama, D., Yamamoto, Y., Harada, T., Hayashi, K., Hangai, Y. & Murakami, Y., Dec 1 2013, In : Keikinzoku/Journal of Japan Institute of Light Metals. 63, 10, p. 343-349 7 p.

Research output: Contribution to journalArticle

Tomography
Visualization
Imaging techniques
X rays
Defects
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

Imaging techniques
Tomography
X rays
Processing
Synchrotrons
2011

放射光を用いた材料の観察と解析

Toda, H., 2011, In : 軽金属. 61, 1, p. 38-48

Research output: Contribution to journalReview article

2013
5 Citations (Scopus)

Creep and damage investigation of improved 9%Cr steel welded joints

Schlacher, C., Sommitsch, C., Mayr, P., Gupta, C., Toda, H., Usegi, K. & Suzuki, Y., Jul 31 2013, Trends in Welding Research - Proceedings of the 9th International Conference. p. 376-381 6 p. (ASM Proceedings of the International Conference: Trends in Welding Research).

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

Steel
Creep
Welds
Heat affected zone
Boron
2016
8 Citations (Scopus)

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

Tomography
Hydrogen
Grain boundaries
tomography
porosity
2011
64 Citations (Scopus)

In situ observation of ductile fracture using X-ray tomography technique

Toda, H., Maire, E., Yamauchi, S., Tsuruta, H., Hiramatsu, T. & Kobayashi, M., Mar 1 2011, In : Acta Materialia. 59, 5, p. 1995-2008 14 p.

Research output: Contribution to journalArticle

Ductile fracture
Tomography
Cracks
X rays
Crack propagation
2017
13 Citations (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., Mar 1 2017, In : Acta Materialia. 126, p. 401-412 12 p.

Research output: Contribution to journalArticle

Steel
Martensite
Tomography
Ferrite
Nucleation
2014
14 Citations (Scopus)

Formation behaviour of blister in cast aluminium alloy

Toda, H., Qu, P. C., Ito, S., Shimizu, K., Uesugi, K., Takeuchi, A., Suzuki, Y. & Kobayashi, M., Dec 1 2014, In : International Journal of Cast Metals Research. 27, 6, p. 369-377 9 p.

Research output: Contribution to journalArticle

Aluminum alloys
Gases
Casting
Nitrogen Dioxide
Aluminum
2013
22 Citations (Scopus)

Cavitation during high-temperature deformation in Al-Mg alloys

Toda, H., Shamsudin, Z. A. B., Shimizu, K., Uesugi, K., Takeuchi, A., Suzuki, Y., Nakazawa, M., Aoki, Y. & Kobayashi, M., Apr 1 2013, In : Acta Materialia. 61, 7, p. 2403-2413 11 p.

Research output: Contribution to journalArticle

Cavitation
Hydrogen
Ductile fracture
Temperature
Nucleation
2011
32 Citations (Scopus)

Statistical assessment of fatigue crack initiation from sub-surface hydrogen micropores in high-quality die-cast aluminum

Toda, H., Masuda, S., Batres, R., Kobayashi, M., Aoyama, S., Onodera, M., Furusawa, R., Uesugi, K., Takeuchi, A. & Suzuki, Y., Jul 1 2011, In : Acta Materialia. 59, 12, p. 4990-4998 9 p.

Research output: Contribution to journalArticle

Aluminum
Crack initiation
Hydrogen
Die casting
Aluminum alloys
2019
1 Citation (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., Jan 1 2019, In : Materials Transactions. 60, 8, p. 1688-1696 9 p.

Research output: Contribution to journalArticle

Open Access
Precipitates
Copper
precipitates
Grain boundaries
hardness
2018
2 Citations (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., Dec 19 2018, In : Materials Science and Engineering A. 738, p. 229-237 9 p.

Research output: Contribution to journalArticle

short cracks
Crack propagation
cracks
microstructure
Microstructure
4 Citations (Scopus)

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

Synchrotrons
aluminum alloys
voids
Hydrogen
Aluminum alloys
2019
4 Citations (Scopus)

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

First-principles Calculation
Grain Boundary
Segregation
Aluminum
Hydrogen
2017
5 Citations (Scopus)

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

aluminum alloys
Intermetallics
intermetallics
Hydrogen
Aluminum alloys

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

Aluminum alloys
Hydrogen
Hydrogen embrittlement
Crack tips
Tomography
2019
1 Citation (Scopus)

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

Hydrogen embrittlement
Hydrogen
Aluminum alloys
Intermetallics
Precipitates
2016
1 Citation (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

Thermal desorption spectroscopy
aluminum alloys
Aluminum alloys
desorption
trapping
2018
1 Citation (Scopus)

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

crack tips
fracture strength
Crack tips
aluminum alloys
Fracture toughness
2015
3 Citations (Scopus)

Application of Diffraction-Amalgamated Grain Boundary Tracking to Fatigue crack propagation behavior in high strength aluminum alloy

Li, H., Toda, H., Uesugi, K., Takeuchi, A., Suzuki, Y. & Kobayashi, M., Jan 1 2015, In : Materials Transactions. 56, 3, p. 424-428 5 p.

Research output: Contribution to journalArticle

high strength alloys
High strength alloys
crack propagation
Fatigue crack propagation
aluminum alloys
2014
3 Citations (Scopus)

Three-dimensional crack initiation behavior of cast aluminum alloy under low-cycle fatigue

Kuwazuru, O., Matsumura, K., Aguiar De Souza, V., Kobayashi, M. & Toda, H., Jan 1 2014, In : Keikinzoku/Journal of Japan Institute of Light Metals. 64, 11, p. 570-575 6 p.

Research output: Contribution to journalArticle

Silicon
Crack initiation
Aluminum alloys
Fatigue of materials
Debonding
1 Citation (Scopus)

Measurement of local plastic deformation in aluminum alloy by means of X-ray 3D imaging technique

Kobayashi, M., Kawamura, Y., Ueno, S., Toda, H. & Miura, H., Jan 1 2014, In : Procedia Engineering. 81, p. 1408-1413 6 p.

Research output: Contribution to journalConference article

Aluminum alloys
Plastic deformation
Imaging techniques
X rays
Formability
2011

High-precision analysis of internal deformation/fracture characteristics of a material by using submicron 3D CT images

Nakazawa, M., Kobayashi, M., Toda, H. & Aoki, Y., Sep 9 2011, In : IEEJ Transactions on Industry Applications. 131, 4, p. 548-556+17

Research output: Contribution to journalArticle

Loads (forces)
Grain boundaries
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

2014

Al-7%Si合金の機械的性質に及ぼすP量の影響

Translated title of the contribution: Effect of Phosphorus Content on Mechanical Properties in Al-7%Si AlloyToda, H., Toyoda, M. & Morinaka, M., 2014, In : 鋳造工学. Vol.86, No.11, p. 832-839

Research output: Contribution to journalArticle

Development of 3D crystallographic orientation measurement for grain deformation analysis in aluminum alloy

Kobayashi, M., Toda, H., Leclere, D. J., Kamiko, T., Uesugi, K., Takeuchi, A. & Suzuki, Y., Jul 2014, In : Transactions of Nonferrous Metals Society of China (English Edition). 24, 7, p. 2094-2101 8 p.

Research output: Contribution to journalArticle

aluminum alloys
Aluminum alloys
aluminum
measurement method
grain boundary
2011

Improvement of thermo-mechanical fatigue properties in age-hardened aluminum alloys by controlling preferred orientation of precipitates

Sezume, T., Toda, H., Kobayashi, M. & Fukunaga, T., Oct 14 2011, In : Keikinzoku/Journal of Japan Institute of Light Metals. 61, 8, p. 402-403 2 p.

Research output: Contribution to journalArticle

2014
2 Citations (Scopus)

Effects of stress triaxiality on damage evolution from pre-existing hydrogen pores in aluminum alloy

Toda, H., Tsuruta, H., Horikawa, K., Uesugi, K., Takeuchi, A., Suzuki, Y. & Kobayash, M., Feb 14 2014, In : Materials Transactions. 55, 2, p. 383-386 4 p.

Research output: Contribution to journalArticle

triaxial stresses
aluminum alloys
Hydrogen
Aluminum alloys
damage