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STRAIN TESTING OF SiC/Al FUNCTIONALLY GRADIENT MATERIAL GAS HELM SAMPLE
Author(s): 
Pages: 821-827
Year: Issue:  5
Journal: Journal of Mechanical Strength

Abstract: SiC/Al梯度功能材料的各梯度层由不同体积浓度的陶瓷和金属组成,由于材料组分梯度变化,克服了双材料界面的应力突变问题,从而能获得优异的使用性能.文中用激光云纹干涉法,对具有四个梯度层的SiC/Al梯度功能材料航空燃气舵梯形样件在三种工况下进行实验研究.通过实验采集试件随各载荷变化的位移场云纹图,根据位移与条纹级数的关系以及小变形条件下应变与条纹级数关系式,获得样件的应变分布.通过实验结果与文献对...
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