分析SiCw/Al复合材料热错配应力变化规律,建立零错配应力温度的概念及近似计算公式.对压铸和挤压态的SiCw/LD2材料,依次进行固溶时效及-78℃-196℃处理.研究热错配应力随温度的变化规律,证实了零错配应力温度的存在.
The concept of zeroustress-temperature and its approximatelymodel were built up by analyzing the changes of misfit stress in theSiCw / Al composite. Squeeze casting and extrusion SiCw / 6061Al compositewhich were solutionized and aged were treated at low
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