材料界面增韧的力学机理及其强韧化设计

1.西北工业大学材料,科学与工程学院,西安,710072

2.西北工业大学材料,科学与工程学院,西安,710072

3.西北工业大学材料,科学与工程学院,西安,710072

基金项目: 高等学校博士学科点专项科研项目(98069912)

Toughening Mechanics Mechanism and Toughening Design for Material Interfaces

基于界面断裂力学理论,以界面的断裂能和混合度为基本细观参数,揭示了材料界面增韧的主要力学机理:一是提高界面断裂韧性,二是实现最佳断裂路径,并以此为依据, 分析了材料界面强韧化设计的主要原理和方法,为实际材料界面设计提供了理论基础.

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