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di tan gang jie li lie feng yuan de wei guan fen xi
Author(s): 
Pages: 8-12
Year: Issue:  4
Journal: Materials Science and Technology

Keyword:  解理断裂裂缝萌生裂缝扩展低碳钢;
Abstract: 本文通过对低碳钢光滑拉伸试样及缺口弯曲试样在低温下断裂的断口表面形貌及其纵剖面金相所进行的SEM观察,揭示了解理裂缝萌生及扩展的随机性,分析了解理断裂过程的控制因素。建立了“解理裂缝源”的概念以与“解理初裂缝”相区别,据此并结合显微组织特点,指出了低碳钢解理断裂的微观机制。
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