Prediction of Ductile-to-Brittle Transition in Welded Joints with Strength Heterogeneity Subjected to Dynamic Loading(Brittle Fracture)
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概要
- 論文の詳細を見る
Welded joint generally has heterogeneity of strength, material, and fracture toughness and it is important to understand the characteristics of material strength and fracture in welded joint considering heterogeneous effect. Furthermore, the material behavior becomes more complicated when welded joint received dynamic loading like as earthquake. Characteristics of strength and fracture in undermatched joint with strength heterogeneity by dynamic loading was studied by round-bar tension test and thermal elastic-plastic analysis in this paper. The strength and fracture in undermatched joints were evaluated by considering the effects of strain rate and temperature including temperature rise by dynamic loading. The differences of fracture characteristics like as ductile-to-brittle transition behavior are well precisely explained from the stress-strain distribution obtained by numerical analysis.
- 一般社団法人日本機械学会の論文
- 2001-10-20
著者
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MOCHIZUKI Masahito
Department of Physics, University of Tokyo
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Toyoda Masao
Department Of Manufacturing Science Graduate School Of Engineering Osaka University
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Toyoda Masao
Department Of Hematology Nephrology And Rheumatology Akita University Graduate School Of Medicine
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AN Gyu-Baek
Department of Manufacturing Science, Graduate School of Engineering, Osaka University
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An Gyu-baek
Department Of Manufacturing Science Graduate School Of Engineering Osaka University
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Toyoda Masao
Department Of General And Gastroenterological Surgery Osaka Medical College
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Mochizuki Masahito
Department Of Manufacturing Science Graduate School Of Engineering Osaka University
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MOCHIZUKI Masahito
Department of Manufacturing Science, Graduate School of Engineering, Osaka University
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Mochizuki Masahito
Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
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TOYODA Masao
Department of Manufacturing Science, Graduate School of Engineering, Osaka University
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