| 材料界面增韧的力学机理及其强韧化设计 |
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| 引用本文： | 向毅斌,陈敦军,吴诗惇.材料界面增韧的力学机理及其强韧化设计[J].材料工程,2000(7):10-12. |
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| 作者姓名： | 向毅斌 陈敦军 吴诗惇 |
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| 作者单位： | 西北工业大学材料,科学与工程学院,西安,710072 |
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| 基金项目： | 高等学校博士学科点专项基金资助项目!(98069912) |
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| 摘 要： | 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，并经此为依据，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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| 关 键 词： | 断裂力学 强韧化 材料 界面增韧 界面设计 |
Toughening Mechanics Mechanism and Toughening Design for Material Interfaces |
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| XIANG Yi-bin,CHEN Dun-jun,WU Shi-chun.Toughening Mechanics Mechanism and Toughening Design for Material Interfaces[J].Journal of Materials Engineering,2000(7):10-12. |
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| Authors: | XIANG Yi-bin CHEN Dun-jun WU Shi-chun |
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| Abstract: | Based on the interfacial fracture mechanics, this paper presents the principal toughening mechanics mechanism for the material interfaces using interfacial fracture energy and mixture mode as primary microstructural parameters: one is to improve interfacial fracture toughness, the other is to realize optimum fracture path And according to the toughening mechanism the main principles and methods in toughening design of material interfaces are studied, which provides theory basis for the actual interface design |
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| Keywords: | interface fracture mechanics toughening |
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