研究成果の検索

コンセプトの検索
選択されたフィルター
2016
5 引用 (Scopus)

Characteristic fatigue crack growth behavior of low carbon steel under low-pressure hydrogen gas atmosphere in an ultralow frequency

Onishi, Y., Koyama, M., Sasaki, D. & Noguchi, H., 1 1 2016, : : isij international. 56, 5, p. 855-860 6 p.

研究成果: ジャーナルへの寄稿記事

Low carbon steel
Fatigue crack propagation
Hydrogen
Gases
Crack propagation
9 引用 (Scopus)

Elucidation of the effects of cementite morphology on damage formation during monotonic and cyclic tension in binary low carbon steels using in situ characterization

Koyama, M., Yu, Y., Zhou, J. X., Yoshimura, N., Sakurada, E., Ushioda, K. & Noguchi, H., 6 14 2016, : : Materials Science and Engineering A. 667, p. 358-367 10 p.

研究成果: ジャーナルへの寄稿記事

cementite
low carbon steels
Steel
Low carbon steel
damage

Fatigue characteristics of flame-retardant magnesium alloy

Noguchi, H., 1 1 2016, : : Keikinzoku/Journal of Japan Institute of Light Metals. 66, 5, p. 221-225 5 p.

研究成果: ジャーナルへの寄稿記事

Flame retardants
Magnesium alloys
Fatigue of materials
26 引用 (Scopus)

In situ microscopic observations of low-cycle fatigue-crack propagation in high-Mn austenitic alloys with deformation-induced ϵ-martensitic transformation

Ju, Y. B., Koyama, M., Sawaguchi, T., Tsuzaki, K. & Noguchi, H., 6 15 2016, : : Acta Materialia. 112, p. 326-336 11 p.

研究成果: ジャーナルへの寄稿記事

Martensitic transformations
Fatigue crack propagation
Crack propagation
Fatigue of materials
Cracks
2 引用 (Scopus)

Intergranular fatigue crack initiation and its associated small fatigue crack propagation in water-quenched fe-c fully ferritic steel

Koyama, M., Xi, Z. J., Yoshida, Y., Yoshimura, N., Ushioda, K. & Noguchi, H., 1 1 2016, : : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 102, 5, p. 268-273 6 p.

研究成果: ジャーナルへの寄稿記事

crack initiation
Ferritic steel
crack propagation
Fatigue crack propagation
Crack initiation
error analysis
indentation
Indentation
Error analysis
mechanical properties

Molecular dynamics study on low temperature brittleness in tungsten single crystals

Furuya, Y., Noguchi, H. & Schmauder, S., 1 1 2016, Multiscale Materials Modeling: Approaches to Full Multiscaling. Walter de Gruyter GmbH, p. 213-234 22 p.

研究成果: 著書/レポートタイプへの貢献

Brittleness
Tungsten
Molecular dynamics
Single crystals
Brittle fracture
4 引用 (Scopus)

Notch sensitivity of the fatigue limit in high-strength steel

Hamano, Y., Koyama, M., Hamada, S. & Noguchi, H., 1 1 2016, : : isij international. 56, 8, p. 1480-1486 7 p.

研究成果: ジャーナルへの寄稿記事

High strength steel
Fatigue of materials
Focused ion beams
Stress concentration
Cracks
15 引用 (Scopus)

Potential resistance to transgranular fatigue crack growth of Fe-C alloy with a supersaturated carbon clarified through FIB micro-notching technique

Li, B., Koyama, M., Sakurada, E., Yoshimura, N., Ushioda, K. & Noguchi, H., 6 1 2016, : : International Journal of Fatigue. 87, p. 1-5 5 p.

研究成果: ジャーナルへの寄稿記事

Fatigue Crack Growth
Age hardening
Ferritic steel
Fatigue crack propagation
Strain hardening
5 引用 (Scopus)

Suppression mechanism of strain-age-hardening in carbon steel associated with hydrogen uptake

Ogawa, T., Koyama, M. & Noguchi, H., 1 1 2016, : : isij international. 56, 9, p. 1656-1661 6 p.

研究成果: ジャーナルへの寄稿記事

Age hardening
Strain hardening
Carbon steel
Hydrogen
Nitrogen
2017
114 引用 (Scopus)

Bone-like crack resistance in hierarchical metastable nanolaminate steels

Koyama, M., Zhang, Z., Wang, M., Ponge, D., Raabe, D., Tsuzaki, K., Noguchi, H. & Tasan, C. C., 3 10 2017, : : Science. 355, 6329, p. 1055-1057 3 p.

研究成果: ジャーナルへの寄稿記事

Bone
Fatigue of materials
Cracks
Steel
Phase stability
12 引用 (Scopus)
Strain Localization
Fatigue Crack Growth
Grain Boundary
Fatigue crack propagation
Hydrogen
17 引用 (Scopus)
Fatigue Crack Propagation
Twinning
Fatigue Crack
Steel
Fatigue crack propagation
4 引用 (Scopus)

Effect of the state of carbon on ductility in Fe-0.017mass%C ferritic steel

Yoshimura, N., Ushioda, K., Yonemura, M., Koyama, M., Tanaka, M. & Noguchi, H., 7 31 2017, : : Materials Science and Engineering A. 701, p. 120-128 9 p.

研究成果: ジャーナルへの寄稿記事

Ferritic steel
ductility
elongation
Carbon steel
Ductility
5 引用 (Scopus)

Effects of lamella size and connectivity on fatigue crack resistance of TRIP-maraging steel

Zhang, Z., Koyama, M., Wang, M. M., Tsuzaki, K., Tasan, C. C. & Noguchi, H., 7 1 2017, : : International Journal of Fatigue. 100, p. 176-186 11 p.

研究成果: ジャーナルへの寄稿記事

Maraging steel
Fatigue Crack
Plasticity
Roughness
Austenite
16 引用 (Scopus)

Effects of martensitic transformability and dynamic strain age hardenability on plasticity in metastable austenitic steels containing carbon

Ogawa, T., Koyama, M., Tasan, C. C., Tsuzaki, K. & Noguchi, H., 7 1 2017, : : Journal of Materials Science. 52, 13, p. 7868-7882 15 p.

研究成果: ジャーナルへの寄稿記事

Austenitic steel
Plasticity
Carbon
Steel
Strain hardening
11 引用 (Scopus)
Damage Accumulation
Martensitic Transformation
Low Cycle Fatigue
Fatigue Crack Growth
Martensitic transformations
6 引用 (Scopus)

Fatigue crack growth behavior of JIS SCM440 steel near fatigue threshold in 9-MPa hydrogen gas environment

Tazoe, K., Hamada, S. & Noguchi, H., 5 4 2017, : : International Journal of Hydrogen Energy. 42, 18, p. 13158-13170 13 p.

研究成果: ジャーナルへの寄稿記事

Fatigue crack propagation
cracks
steels
Fatigue of materials
Hydrogen
5 引用 (Scopus)

Fatigue crack non-propagation assisted by nitrogen-enhanced dislocation planarity in austenitic stainless steels

Habib, K., Koyama, M., Tsuchiyama, T. & Noguchi, H., 11 2017, : : International Journal of Fatigue. 104, p. 158-170 13 p.

研究成果: ジャーナルへの寄稿記事

Austenitic Stainless Steel
Planarity
Fatigue Crack
Steel
Austenitic stainless steel
8 引用 (Scopus)
Fatigue Crack Growth
Evaluation Method
Fatigue crack propagation
Crack
Notch
13 引用 (Scopus)
Fatigue Crack Growth
Austenitic steel
Fatigue Crack Propagation
Fatigue crack propagation
Steel

Intrinsic factors that trigger the coaxing effect in binary Fe-C ferritic alloys with a focus on strain aging

Koyama, M., Ren, B., Yoshimura, N., Sakurada, E., Ushioda, K. & Noguchi, H., 1 1 2017, : : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 103, 11, p. 660-666 7 p.

研究成果: ジャーナルへの寄稿記事

Intrinsic Factor
precipitation hardening
Strain hardening
Aging of materials
actuators
3 引用 (Scopus)

Intrinsic factors that trigger the coaxing effect in binary Fe-C ferritic alloys with a focus on strain aging

Koyama, M., Ren, B., Yoshimura, N., Sakurada, E., Ushioda, K. & Noguchi, H., 1 1 2017, : : isij international. 57, 2, p. 358-364 7 p.

研究成果: ジャーナルへの寄稿記事

Intrinsic Factor
Strain hardening
Aging of materials
Age hardening
Steel
1 引用 (Scopus)

Investigation on Mode I propagation behavior of fatigue crack in precipitation-hardened aluminum alloy with different Mg content

Anis, S. F., Koyama, M. & Noguchi, H., 1 1 2017, Engineering and Innovative Materials V. Yahaya, M. (版). Trans Tech Publications Ltd, p. 143-147 5 p. (Materials Science Forum; 巻数 889 MSF).

研究成果: 著書/レポートタイプへの貢献会議での発言

crack propagation
Fatigue crack propagation
aluminum alloys
Aluminum alloys
Crack propagation
2 引用 (Scopus)
short cracks
Fatigue Crack
Model Analysis
Material Properties
Materials properties
6 引用 (Scopus)
Fatigue crack propagation
Fatigue of materials
Poisson distribution
Austenitic steel
Crack propagation
7 引用 (Scopus)

Multiscale in situ deformation experiments: A sequential process from strain localization to failure in a laminated Ti-6Al-4V alloy

Koyama, M., Yamanouchi, K., Wang, Q., Ri, S., Tanaka, Y., Hamano, Y., Yamasaki, S., Mitsuhara, M., Ohkubo, M., Noguchi, H. & Tsuzaki, K., 6 1 2017, : : Materials Characterization. 128, p. 217-225 9 p.

研究成果: ジャーナルへの寄稿記事

Experiments
Sampling
Scanning electron microscopy
ambient temperature
interfacial tension
2 引用 (Scopus)

Re-Examination of Correlation between Hardness and Tensile Properties by Numerical Analysis

Hamada, S., Nakanishi, M., Moriyama, T. & Noguchi, H., 6 1 2017, : : Experimental Mechanics. 57, 5, p. 773-781 9 p.

研究成果: ジャーナルへの寄稿記事

Tensile properties
Numerical analysis
Hardness
Strain hardening
Tensile strength
Strain gages
Finite element method
6 引用 (Scopus)
Stress intensity factors
Yield stress
Plastics
Fatigue crack propagation
Cracks
14 引用 (Scopus)

Underlying interstitial carbon concentration dependence of transgranular fatigue crack resistance in Fe-C ferritic steels: The kinetic effect viewpoint

Li, B., Koyama, M., Sakurada, E., Yoshimura, N., Ushioda, K. & Noguchi, H., 5 1 2017, : : International Journal of Fatigue. 98, p. 101-110 10 p.

研究成果: ジャーナルへの寄稿記事

Fatigue Crack
Ferritic steel
Carbon steel
Steel
Carbon
2018

Analysis of fatigue crack configuration influence on fatigue life

Aibara, M., Koyama, M., Hamada, S. & Noguchi, H., 1 1 2018, : : Procedia Structural Integrity. 13, p. 1148-1153 6 p.

研究成果: ジャーナルへの寄稿Conference article

公開
Fatigue crack propagation
Fatigue of materials
Cracks
Cyclic loads
Stress intensity factors
1 引用 (Scopus)

Crystallographic orientation-dependent growth mode of microstructurally fatigue small crack in a laminated Ti-6Al-4V alloy

Maenosono, A., Koyama, M., Tanaka, Y., Ri, S., Wang, Q. & Noguchi, H., 1 1 2018, : : Procedia Structural Integrity. 13, p. 694-699 6 p.

研究成果: ジャーナルへの寄稿Conference article

公開
Crack propagation
Fatigue of materials
Cracks
Fatigue crack propagation
Focused ion beams

Dependence of fatigue limit on step height for stepped 0.45% carbon steel with singular stress field

Hamada, S., Moriyama, T. & Noguchi, H., 2 1 2018, : : Engineering Fracture Mechanics. 188, p. 20-35 16 p.

研究成果: ジャーナルへの寄稿記事

Carbon steel
Fatigue of materials
Cracks
2 引用 (Scopus)
Stress Concentration
Comparative Study
Stress concentration
Steel
Crack
2 引用 (Scopus)

Effect of shear-affected zone on fatigue crack propagation mode

Hamada, S., Zhang, K., Zhang, J., Koyama, M., Yokoi, T. & Noguchi, H., 11 1 2018, : : International Journal of Fatigue. 116, p. 36-47 12 p.

研究成果: ジャーナルへの寄稿記事

Fatigue Crack Propagation
Fatigue Limit
Fatigue crack propagation
Fatigue of materials
Damage Accumulation

Effect of Si on temperature dependence of non-propagation limit of small fatigue crack in a Fe-C alloy

Kishida, K., Koyama, M., Yoshimura, N., Sakurada, E., Yokoi, T., Ushioda, K., Tsuzaki, K. & Noguchi, H., 1 1 2018, : : Procedia Structural Integrity. 13, p. 1032-1036 5 p.

研究成果: ジャーナルへの寄稿Conference article

公開
Fatigue of materials
Binary alloys
Carbides
Carbon
Temperature
1 引用 (Scopus)

Effect of state of carbon on fatigue properties and dislocation structure of Fe-0.017mass%C alloy

Yoshimura, N., Ushioda, K., Yoshida, Y., Sakurada, E., Yonemura, M., Koyama, M., Noguchi, H. & Watanabe, C., 8 8 2018, : : Materials Science and Engineering A. 732, p. 212-219 8 p.

研究成果: ジャーナルへの寄稿記事

cementite
Carbon
Fatigue of materials
carbon
striation
Steel
Focused ion beams
Defects
Crack initiation
Hardness

Emergence of distinct fatigue limit: Impact of excess solute magnesium in 6061-T6 alloy

Takahashi, Y., Kuriki, R., Kashihara, M., Shikama, T. & Noguchi, H., 1 1 2018, : : Procedia Structural Integrity. 13, p. 1010-1013 4 p.

研究成果: ジャーナルへの寄稿Conference article

公開
Magnesium
Fatigue of materials
Air
Crack tips
Environmental impact
2 引用 (Scopus)
Austenitic steel
tensile strength
Steel
solutes
Tensile strength

Fatigue behavior of Fe-Cr-Ni-based metastable austenitic steels with an identical tensile strength and different solute carbon contents

Ogawa, T., Koyama, M., Nishikura, Y., Tsuzaki, K. & Noguchi, H., 10 2018, : : isij international. 58, 10, p. 1910-1919 10 p.

研究成果: ジャーナルへの寄稿記事

Austenitic steel
Steel
Tensile strength
Carbon
Fatigue of materials
6 引用 (Scopus)

Hydrogen-assisted failure in a bimodal twinning-induced plasticity steel: Delamination events and damage evolution

Mohammadi, A., Koyama, M., Gerstein, G., Maier, H. J. & Noguchi, H., 1 25 2018, : : International Journal of Hydrogen Energy. 43, 4, p. 2492-2502 11 p.

研究成果: ジャーナルへの寄稿記事

Twinning
twinning
Delamination
plastic properties
Plasticity

Influence of shear-affected-zone due to punching on tensile characteristics of steel plate

Zhang, K., Hamada, S., Koyama, M., Yokoi, T. & Noguchi, H., 1 1 2018, : : Procedia Structural Integrity. 13, p. 1047-1052 6 p.

研究成果: ジャーナルへの寄稿Conference article

公開
Punching
Steel
Brittle fracture
Cracks
Polishing

Influence of stress re-distribution on hydrogen-induced fatigue crack propagation

SaSaki, D., Koyama, M. & Noguchi, H., 1 1 2018, : : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 104, 1, p. 46-53 8 p.

研究成果: ジャーナルへの寄稿記事

crack propagation
Fatigue crack propagation
Hydrogen
pearlite
plane stress
4 引用 (Scopus)

Microstructural hardness heterogeneity triggers fatigue crack non-propagation in as-hot-rolled Fe-30Mn-3Si-3Al twinning-induced plasticity steel

Koyama, M., Yamamura, Y., Sawaguchi, T., Tsuzaki, K. & Noguchi, H., 3 1 2018, : : International Journal of Fatigue. 108, p. 18-24 7 p.

研究成果: ジャーナルへの寄稿記事

Twinning
Fatigue Crack
Steel
Trigger
Plasticity
4 引用 (Scopus)

Microstructural mechanisms of fatigue crack non-propagation in TRIP-maraging steels

Zhang, Z., Koyama, M., Wang, M. M., Tsuzaki, K., Tasan, C. C. & Noguchi, H., 8 2018, : : International Journal of Fatigue. 113, p. 126-136 11 p.

研究成果: ジャーナルへの寄稿記事

Maraging steel
Fatigue Crack
Plasticity
Austenite
High Cycle Fatigue
2 引用 (Scopus)
Martensitic Transformation
Fatigue Crack
Austenitic steel
Notch
Martensitic transformations

Proposal and verification of novel fatigue crack propagation simulation method by finite element method.

Sano, T., Sasaki, D., Koyama, M., Hamada, S. & Noguchi, H., 1 1 2018, : : Procedia Structural Integrity. 13, p. 1154-1158 5 p.

研究成果: ジャーナルへの寄稿Conference article

公開
Fatigue crack propagation
Crack propagation
Finite element method
Crack tips
Cracks

Proposal of fractographic analysis method coupled with EBSD and ECCI

Kaida, T., Koyama, M., Hamada, S., Noguchi, H., Sakurada, E., Yokoi, T. & Ushioda, K., 1 1 2018, : : Procedia Structural Integrity. 13, p. 1076-1081 6 p.

研究成果: ジャーナルへの寄稿Conference article

公開
Backscattering
Diffraction
Imaging techniques
Fractography
Electrons