Solid Mechanics Laboratory
Welcome to Solid Mechanics Laboratory!
Update information
- 2026-04-10 update members.
- 2025-10-01 update members.
NEWS
- 2025-04-09 One new M1 student and Six new B4 students have joined the laboratory.
- 2026-04-01 Assistant Professor Dr. Shohei UEKI moved to Kumamoto University to take up a position as an Associate Professor.
- 2026-04-01 Academic Researcher Dr. Bryan Steve PROANO SARAUZ moved to Universidad Central del Ecuador to take up a position as an Assistant Professor.
- 2026-03-25 A graduation ceremony was held, and six fourth-year undergraduate students, five second-year master's students, and one third-year doctoral student graduated.
- 2026-03-25 Taeseul PARK, a D3 student, has been honored with the 2025 Graduate School Research Encouragement Award of Society of Automotive Engineeers of Japan, Inc. .
- 2026-03-24 Sota MATSUMOTO B4 student has been awarded by JSME Kyushu Branch for his good presentation.
- 2026-03-09 Six B4 students gave oral presentations at JSME Kyushu Branch @ Nagasaki, Japan.
- 2026-03-02 Academic Researcher, Dr. Pengxu REN joined National Institute for Materials Science: NIMS.
- 2026-02-16 The master's thesis examination for M2 students was conducted.
- 2026-02-10 The bachelor's thesis examination for B4 students was conducted.
- 2026-02-03 The dissertation defense of D3 student Taeseul PARK was held.
- 2025-12-06 Shuta MATSUURA and Seiichiro IKEMOTO, M1 students, have been honored with the "JSMS-Kyushu Young Researcher Award" for delivering their excellent presentations.
- 2025-12-06 Three M1 students gave oral presentations at 12th JSMS-Kyushu Conference @ Kyushu Institute of Technology, Japan.
- 2025-11-12 Five M2 students and one D2 student gave oral presentations at the JSME M&M2025 Conference @ Kumamoto, Japan.
- 2025-11-10 An M1 student gave poster presentation at the 16th Symposium on Micro-Nano Science and Technology, JSME @ Utsunomiya, Japan.
- 2025-11-05 Taeseul PARK, a D3 student, has been honored with the 2025 (9th) JSME Women of the Future Award.
- 2025-10-08 Seiichiro IKEMOTO, a M1 student, has been honored with the Best Presentation Award for delivering an excellent presentation.
- 2025-10-07 Two M1 students gave poster presentations at 11th Materials WEEK, Young Student Research Presentation, The Society of Materials Science, Japan @ Kyoto, Japan.
- 2025-09-19 We went "Kuju Joint Training Center for National Universities in Kyushu Area" for Laboratory trip.
- 2025-08-03 At the open campus, we presented our research on the theme "Fracture Control Mechanics".
- 2025-06-25 M2, D3 students and a PD researcher gave oral presentation at MSMF 11, Eleventh international conference on Materials Structure and Micromechanics of Fracture @ Brno, Czech Republic.
- 2025-04-08 Six new B4 students have joined the laboratory.
Recent research outcomes
2026-03-30
Ueki S, Tsunoda K (M), Kondo T, Hamada S.
Effect of Microstructural Heterogeneity on Fatigue Limit of As-quenched Low-carbon Low-alloy Martensitic Steel.
ISIJ International 2026; Vol. 66, No. 4, pp. 570-576.
https://doi.org/10.2355/isijinternational.ISIJINT-2025-306.
Effect of Microstructural Heterogeneity on Fatigue Limit of As-quenched Low-carbon Low-alloy Martensitic Steel.
ISIJ International 2026; Vol. 66, No. 4, pp. 570-576.
https://doi.org/10.2355/isijinternational.ISIJINT-2025-306.
2026-03-30
Ueki S, Mayama T, Yoji M.
Multiscale Mechanical Characterisation of Additively Manufactured Maraging Steel Aided by Crystal Plasticity Analysis.
ISIJ International 2026; Vol. 66, No. 4, pp. 541-550.
https://doi.org/10.2355/isijinternational.ISIJINT-2025-296.
Multiscale Mechanical Characterisation of Additively Manufactured Maraging Steel Aided by Crystal Plasticity Analysis.
ISIJ International 2026; Vol. 66, No. 4, pp. 541-550.
https://doi.org/10.2355/isijinternational.ISIJINT-2025-296.
2026-03-14
Proano B (PD), Park T (D), Bowen C, Hamada S, Noguchi H.
Correlation between strength and specimen size of flame-retardant Mg alloys considering defect effects in as-built products fabricated by laser powder bed fusion.
Theoretical and Applied Fracture Mechanics 2026; 105569.
https://doi.org/10.1016/j.tafmec.2026.105569.
Correlation between strength and specimen size of flame-retardant Mg alloys considering defect effects in as-built products fabricated by laser powder bed fusion.
Theoretical and Applied Fracture Mechanics 2026; 105569.
https://doi.org/10.1016/j.tafmec.2026.105569.
2026-02-16
Ito S (D), Otsuka T, Miyoshi U (M), Kasai D, Okamura K, Hamada S.
Evolution of cold-rolling work roll materials based on the elucidation of the cracking mechanism of thermal shock.
Materials & Design 2026; 263: 115589.
https://doi.org/10.1016/j.matdes.2026.115589.
Evolution of cold-rolling work roll materials based on the elucidation of the cracking mechanism of thermal shock.
Materials & Design 2026; 263: 115589.
https://doi.org/10.1016/j.matdes.2026.115589.
2025-11-10
Ishina T (D), Park T (D), Morishige K (M), Hamada S, Noguchi H.
Engineering formula of threshold stress intensity factor range in mechanically-small crack for light metals.
Engineering Fracture Mechanics 2025; 330: 111697.
https://doi.org/10.1016/j.engfracmech.2025.111697.
Engineering formula of threshold stress intensity factor range in mechanically-small crack for light metals.
Engineering Fracture Mechanics 2025; 330: 111697.
https://doi.org/10.1016/j.engfracmech.2025.111697.
2025-09-17
Hamada S, Araki D (M), Noguchi H.
Modeling procedure for the damage-accumulation mode of fatigue crack growth: A case study on cold-rolled SUS430 sheet under cyclic pure shear stress.
International Journal of Fatigue 2026; 203: 109297.
https://doi.org/10.1016/j.ijfatigue.2025.109297.
Modeling procedure for the damage-accumulation mode of fatigue crack growth: A case study on cold-rolled SUS430 sheet under cyclic pure shear stress.
International Journal of Fatigue 2026; 203: 109297.
https://doi.org/10.1016/j.ijfatigue.2025.109297.
2025-04-25
Park T (D), Ishina T (D), Miyazaki T, Hamada S, Noguchi H.
Engineering definition of small scale yielding condition using imaginary crack tip opening displacement: A practical approach of elastic-plastic fracture mechanics.
Engineering Fracture Mechanics 2025; 322: 111137.
https://doi.org/10.1016/j.engfracmech.2025.111137.
Engineering definition of small scale yielding condition using imaginary crack tip opening displacement: A practical approach of elastic-plastic fracture mechanics.
Engineering Fracture Mechanics 2025; 322: 111137.
https://doi.org/10.1016/j.engfracmech.2025.111137.
2025-04-01
Li W (D), Kina T (B), Hamada S.
Effectiveness and necessity of physics-based crystalline plasticity finite element method in analyzing fatigue crack behavior with strain localization.
Materials Today Communications 2025; 45: 112404.
https://doi.org/10.1016/j.mtcomm.2025.112404.
Effectiveness and necessity of physics-based crystalline plasticity finite element method in analyzing fatigue crack behavior with strain localization.
Materials Today Communications 2025; 45: 112404.
https://doi.org/10.1016/j.mtcomm.2025.112404.
2025-03-14
Kondo T, Sadaki S, Wakaike H, Minoshima K.
Thickness dependence of grain boundary strengthening effect on plasticity of submicrometer-to nanometer-thick freestanding copper thin films.
Materials Science and Engineering: A 2025; 931: 148193.
https://doi.org/10.1016/j.msea.2025.148193.
Thickness dependence of grain boundary strengthening effect on plasticity of submicrometer-to nanometer-thick freestanding copper thin films.
Materials Science and Engineering: A 2025; 931: 148193.
https://doi.org/10.1016/j.msea.2025.148193.
2025-01-02
Chen B (D), Hamada S, Kato T, Makino T, Noguchi H.
Transition of fatigue-crack extension mechanism on a hot rolled steel with an inclined notch under cyclic tension-compression and plane strain conditions.
International Journal of Fatigue 2025; 193: 108806.
https://doi.org/10.1016/j.ijfatigue.2025.108806.
Transition of fatigue-crack extension mechanism on a hot rolled steel with an inclined notch under cyclic tension-compression and plane strain conditions.
International Journal of Fatigue 2025; 193: 108806.
https://doi.org/10.1016/j.ijfatigue.2025.108806.
2024-12-20
Ren P (D), Hamada S, Ueki S, Itoh D (D), Makino T, Noguchi H.
Fatigue strength evaluation method based on fatigue crack extension mechanism in BCC martensitic steels.
International Journal of Fatigue 2025; 193: 108784.
https://doi.org/10.1016/j.ijfatigue.2024.108784.
Fatigue strength evaluation method based on fatigue crack extension mechanism in BCC martensitic steels.
International Journal of Fatigue 2025; 193: 108784.
https://doi.org/10.1016/j.ijfatigue.2024.108784.
2024-10-31
Chen B (D), Hamada S, Kato T, Makino T, Noguchi H.
Quantitative assessment of compression fatigue history effect on the subsequent tension fatigue limit of strain localized material.
International Journal of Fatigue 2025; 191: 108682.
https://doi.org/10.1016/j.ijfatigue.2024.108682.
Quantitative assessment of compression fatigue history effect on the subsequent tension fatigue limit of strain localized material.
International Journal of Fatigue 2025; 191: 108682.
https://doi.org/10.1016/j.ijfatigue.2024.108682.
2024-09-23
Ueki S, Morito S.
Anisotropic slip behaviour of lath martensite block in ultra-low carbon steel.
Scripta Materialia 2025; 255: 116389.
https://doi.org/10.1016/j.scriptamat.2024.116389.
Anisotropic slip behaviour of lath martensite block in ultra-low carbon steel.
Scripta Materialia 2025; 255: 116389.
https://doi.org/10.1016/j.scriptamat.2024.116389.
2024-06-19
Ren P (D), Hamada S, Itoh D (D), Makino T, Noguchi H.
Fatigue crack extension mechanism and mode-type analyses of martensitic steels for proposing fatigue strength evaluation method: Example of 18% Ni BCC martensitic steel.
Theoretical and Applied Fracture Mechanics 2024; 133: 104594.
https://doi.org/10.1016/j.tafmec.2024.104594.
Fatigue crack extension mechanism and mode-type analyses of martensitic steels for proposing fatigue strength evaluation method: Example of 18% Ni BCC martensitic steel.
Theoretical and Applied Fracture Mechanics 2024; 133: 104594.
https://doi.org/10.1016/j.tafmec.2024.104594.
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