疲劳小裂纹扩展行为是结构耐久性和损伤容限设计中关心的重要问题.着重对疲劳小裂纹扩展的微观机制、解析描述进行了分析和讨论;并评述了疲劳小裂纹理论在全寿命预测、耐久性分析和裂纹形成/扩展分界等方面的应用.
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