Mechanism behind Brittle-to-ductile Transition Understood by the Interaction between a Crack and Dislocations
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概要
- 論文の詳細を見る
Fundamental mechanism governing the fracture toughness of materials is reviewed in terms of a concept of the interaction between a crack and dislocations. The mechanism behind brittle-to-ductile transition (BDT) is demonstrated using a simple model based on dislocation dynamics and the theory of crack-tip shielding by dislocations. The effects of dislocation mobility as well as dislocation sources on the BDT behavior are discussed, which enables us to understand the various factors such as grain refinement influencing fracture toughness.
- The Iron and Steel Institute of Japanの論文
- 2012-04-15
著者
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Higashida Kenji
Department Of Materials Science And Engineering Kyushu University
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Higashida Kenji
Department Of Materials Science & Engineering Kyushu University
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Tanaka Masaki
Department Of Anatomy & Neurobiology Kyoto Prefectural University Of Medicine
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