M
Masataka Yatomi
Researcher at IHI Corporation
Publications - 37
Citations - 590
Masataka Yatomi is an academic researcher from IHI Corporation. The author has contributed to research in topics: Creep & Fracture mechanics. The author has an hindex of 10, co-authored 37 publications receiving 543 citations. Previous affiliations of Masataka Yatomi include Imperial College London.
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Creep crack growth prediction using a damage based approach
TL;DR: In this article, the authors present a numerical study of creep crack growth in a fracture mechanics specimen using elastic-creep and elastic-plastic-decreep analyses to predict crack extension under plane stress and plane strain conditions.
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Theoretical and numerical modelling of creep crack growth in a carbon-manganese steel
TL;DR: In this article, a triaxiality dependent damage model is used to represent the multiaxial creep ductility of the material and an analytical model to predict steady state crack growth in terms of the fracture parameter C∗, designated the NSW-MOD model, is presented.
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Creep crack growth simulations in 316H stainless steel
TL;DR: In this article, the authors used finite element analysis (FE) to predict creep crack growth in a compact tension specimen, C(T), which exhibits power-law creepductile behaviour.
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Issues relating to numerical modelling of creep crack growth
Masataka Yatomi,Masaaki Tabuchi +1 more
TL;DR: In this paper, the authors compared the experimental creep crack growth data of P92 welds at 923 K with C* line integrals of C(T) specimens and showed that the predicted CCG rates for welded joint are 10 times higher than those for only HAZ properties.
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The influence of test duration and geometry on the creep crack initiation and growth behaviour of 316H steel
TL;DR: In this paper, the influence of test duration and specimen geometry on creep crack initiation times is also studied and experimental results are compared with predictions from analytical models, which may be explained by the effects of constraint loss due to plasticity effects.