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Design of microstructure for damage tolerance in high strength steels
Author(s): 
Pages: 46-51,72
Year: Issue:  4
Journal: World Iron & Steel

Keyword:  损伤 韧性断裂和脆性断裂 微观结构 模型 多相钢;
Abstract: 先进高强钢以其优良的机械性能,在生产生活的各个领域得到了广泛的应用。近年来,工业上对先进高强钢损伤的关注日益增加。对于这种先进高强钢,由于它复杂的微观结构及相关的变形机制,损伤概念需重新审定。概要介绍了损伤的概念、尺度及损伤机制,对比了材料损伤的实验评估及数值模型,并基于容损设计方法给出了提高材料损伤容限的理论。
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