摘要
基于细观力学方法分析了智能复合材料中的微裂纹与夹杂的相互作用,导出了裂纹扩展的能量释放率,分析了形状记忆合金的多机理联合增韧作用.研究表明,智能复合材料具有相变和异性夹杂的双重增韧机理,而且其韧度可由外部条件控制。
The interaction between the inclusions and cracks was accounted for by means of micromechanical method. The analytical formulas were derived for energy release rates of a microcrack in the smart composites. This work shows that the multimechanisms contribute to toughening of the smart composite reinforced by SMA. The toughness can be controlled by the environmental variables.
出处
《北方交通大学学报》
CSCD
北大核心
1997年第4期381-384,共4页
Journal of Northern Jiaotong University
基金
国家自然科学基金
关键词
复合材料
裂纹
相变
智能材料
增韧
能量释放率
smart composites\ shape memory effect\ cracks\ transformation\ toughening \ micromechanics