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2017
Strain gages
Finite element method
2016
2 Citations (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., Jan 1 2016, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 102, 5, p. 268-273 6 p.

Research output: Contribution to journalArticle

crack initiation
Ferritic steel
crack propagation
Fatigue crack propagation
Crack initiation
2018

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., Jan 1 2018, In : Procedia Structural Integrity. 13, p. 1032-1036 5 p.

Research output: Contribution to journalConference article

Open Access
Fatigue of materials
Binary alloys
Carbides
Carbon
Temperature
2020

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

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

Research output: Contribution to journalArticle

Fatigue Limit
Crack Closure
Crack closure
Notch
Radius
2017
14 Citations (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., May 1 2017, In : International Journal of Fatigue. 98, p. 101-110 10 p.

Research output: Contribution to journalArticle

Fatigue Crack
Ferritic steel
Carbon steel
Steel
Carbon
8 Citations (Scopus)
Fatigue Crack Growth
Evaluation Method
Fatigue crack propagation
Crack
Notch
4 Citations (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., Jul 31 2017, In : Materials Science and Engineering A. 701, p. 120-128 9 p.

Research output: Contribution to journalArticle

Ferritic steel
ductility
elongation
Carbon steel
Ductility
2018
2 Citations (Scopus)
Austenitic steel
tensile strength
Steel
solutes
Tensile strength
1 Citation (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., Jan 1 2018, In : Procedia Structural Integrity. 13, p. 694-699 6 p.

Research output: Contribution to journalConference article

Open Access
Crack propagation
Fatigue of materials
Cracks
Fatigue crack propagation
Focused ion beams
4 Citations (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., Mar 1 2018, In : International Journal of Fatigue. 108, p. 18-24 7 p.

Research output: Contribution to journalArticle

Twinning
Fatigue Crack
Steel
Trigger
Plasticity
2019
1 Citation (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., Nov 1 2019, In : International Journal of Fatigue. 128, 105200.

Research output: Contribution to journalArticle

Fatigue Crack Growth
Fatigue Crack
Selection Rules
Fatigue crack propagation
Slip
2018
6 Citations (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., Jan 25 2018, In : International Journal of Hydrogen Energy. 43, 4, p. 2492-2502 11 p.

Research output: Contribution to journalArticle

Twinning
twinning
Delamination
plastic properties
Plasticity
2017
17 Citations (Scopus)
Fatigue Crack Propagation
Twinning
Fatigue Crack
Steel
Fatigue crack propagation
2018
2 Citations (Scopus)
Martensitic Transformation
Fatigue Crack
Austenitic steel
Notch
Martensitic transformations
2017
5 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Austenitic Stainless Steel
Planarity
Fatigue Crack
Steel
Austenitic stainless steel
2019

Mode I fatigue crack growth induced by strain-aging in precipitation-hardened aluminum alloys

Anis, S. F., Koyama, M., Hamada, S. & Noguchi, H., Dec 1 2019, In : Theoretical and Applied Fracture Mechanics. 104, 102340.

Research output: Contribution to journalArticle

Fatigue Crack Growth
precipitation hardening
Aluminum Alloy
Fatigue crack propagation
aluminum alloys

Weakest region analysis of non-combustible Mg products fabricated by selective laser melting

Proaño, B., Miyahara, H., Matsumoto, T., Hamada, S., Sakai, H., Ogawa, K., Suyalatu & Noguchi, H., Oct 1 2019, In : Theoretical and Applied Fracture Mechanics. 103, 102291.

Research output: Contribution to journalArticle

Melting
melting
Laser
Lasers
products
stress intensity factors
Steel
Stress Intensity Factor
Stress intensity factors
Crack closure
2018

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

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

Research output: Contribution to journalConference article

Open Access
Fatigue crack propagation
Crack propagation
Finite element method
Crack tips
Cracks
2 Citations (Scopus)
Stress Concentration
Comparative Study
Stress concentration
Steel
Crack
1 Citation (Scopus)

Re-examination of fatigue crack propagation mechanism under cyclic Mode II loading

Hamada, S., Suemasu, T., Koyama, M., Ueda, M. & Noguchi, H., Jan 1 2018, In : Procedia Structural Integrity. 13, p. 1026-1031 6 p.

Research output: Contribution to journalConference article

Open Access
Fatigue crack propagation
Plastic deformation
Fatigue of materials
Fracture mechanics
Crack propagation

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

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

Research output: Contribution to journalConference article

Open Access
Punching
Steel
Brittle fracture
Cracks
Polishing
Steel
Focused ion beams
Defects
Crack initiation
Hardness
2017
114 Citations (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., Mar 10 2017, In : Science. 355, 6329, p. 1055-1057 3 p.

Research output: Contribution to journalArticle

Bone
Fatigue of materials
Cracks
Steel
Phase stability

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., Jan 1 2017, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 103, 11, p. 660-666 7 p.

Research output: Contribution to journalArticle

Intrinsic Factor
precipitation hardening
Strain hardening
Aging of materials
actuators
2019

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., Jan 1 2019, In : isij international. 59, p. 186-191 6 p.

Research output: Contribution to journalArticle

Steel
Ferritic steel
Nitrogen
Carbon
Fatigue of materials
2018

Small fatigue crack growth in a high entropy alloy

Suzuki, K., Koyama, M. & Noguchi, H., Jan 1 2018, In : Procedia Structural Integrity. 13, p. 1065-1070 6 p.

Research output: Contribution to journalConference article

Open Access
Fatigue crack propagation
Entropy
Stainless Steel
Crack propagation
Stainless steel
2016
5 Citations (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., Jan 1 2016, In : isij international. 56, 5, p. 855-860 6 p.

Research output: Contribution to journalArticle

Low carbon steel
Fatigue crack propagation
Hydrogen
Gases
Crack propagation
2018

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., Oct 2018, In : isij international. 58, 10, p. 1910-1919 10 p.

Research output: Contribution to journalArticle

Austenitic steel
Steel
Tensile strength
Carbon
Fatigue of materials

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

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

Research output: Contribution to journalArticle

crack propagation
Fatigue crack propagation
Hydrogen
pearlite
plane stress

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

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

Research output: Contribution to journalConference article

Open Access
Magnesium
Fatigue of materials
Air
Crack tips
Environmental impact
2016
5 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Age hardening
Strain hardening
Carbon steel
Hydrogen
Nitrogen
9 Citations (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., Jun 14 2016, In : Materials Science and Engineering A. 667, p. 358-367 10 p.

Research output: Contribution to journalArticle

cementite
low carbon steels
Steel
Low carbon steel
damage
2017
12 Citations (Scopus)

Characteristics of hydrogen-assisted intergranular fatigue crack growth in interstitial-free steel: role of plastic strain localization

Koyama, M., Onishi, Y. & Noguchi, H., Jul 1 2017, In : International Journal of Fracture. 206, 1, p. 123-130 8 p.

Research output: Contribution to journalArticle

Strain Localization
Fatigue Crack Growth
Grain Boundary
Fatigue crack propagation
Hydrogen
1 Citation (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., Jan 1 2017, Engineering and Innovative Materials V. Yahaya, M. (ed.). Trans Tech Publications Ltd, p. 143-147 5 p. (Materials Science Forum; vol. 889 MSF).

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

crack propagation
Fatigue crack propagation
aluminum alloys
Aluminum alloys
Crack propagation
7 Citations (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., Jun 1 2017, In : Materials Characterization. 128, p. 217-225 9 p.

Research output: Contribution to journalArticle

Experiments
Sampling
Scanning electron microscopy
ambient temperature
interfacial tension
2018
5 Citations (Scopus)
Fatigue Crack
Steel
Temperature Dependence
Carbon steel
Carbon
2019
Steel
crack tips
Stacking faults
Crack tips
Nitrogen
2 Citations (Scopus)
Steel
crack tips
Crack tips
Crack propagation
cracks
2017
13 Citations (Scopus)
Fatigue Crack Growth
Austenitic steel
Fatigue Crack Propagation
Fatigue crack propagation
Steel
2016
error analysis
indentation
Indentation
Error analysis
mechanical properties
2018

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

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

Research output: Contribution to journalArticle

Carbon steel
Fatigue of materials
Cracks
1 Citation (Scopus)

Roughness-induced stress shielding effect in fatigue crack propagation under Mode II loading

Hamada, S., Suemasu, T., Fukudome, S., Koyama, M., Ueda, M. & Noguchi, H., Nov 2018, In : International Journal of Fatigue. 116, p. 245-256 12 p.

Research output: Contribution to journalArticle

Fatigue Crack Propagation
Fatigue crack propagation
Roughness
Shielding
Surface roughness

Proposal of fractographic analysis method coupled with EBSD and ECCI

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

Research output: Contribution to journalConference article

Open Access
Backscattering
Diffraction
Imaging techniques
Fractography
Electrons
2020

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., Mar 15 2020, In : Scripta Materialia. 178, p. 99-103 5 p.

Research output: Contribution to journalArticle

crack propagation
plastic deformation
Hydrogen
Crack propagation
Plastic deformation
2017
6 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Fatigue crack propagation
cracks
steels
Fatigue of materials
Hydrogen
2018
4 Citations (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., Aug 2018, In : International Journal of Fatigue. 113, p. 126-136 11 p.

Research output: Contribution to journalArticle

Maraging steel
Fatigue Crack
Plasticity
Austenite
High Cycle Fatigue
2017
5 Citations (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., Jul 1 2017, In : International Journal of Fatigue. 100, p. 176-186 11 p.

Research output: Contribution to journalArticle

Maraging steel
Fatigue Crack
Plasticity
Roughness
Austenite
2019

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., Mar 15 2019, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 50, 3, p. 1142-1145 4 p.

Research output: Contribution to journalArticle

maraging steels
Maraging steel
plastic properties
tensile strength
Plasticity
2016

Fatigue characteristics of flame-retardant magnesium alloy

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

Research output: Contribution to journalArticle

Flame retardants
Magnesium alloys
Fatigue of materials