应力松弛试验是材料机械性能试验的一种。虽然应力松弛现象在室温下进行得很慢，但随着温度的升高就变得很显著，故在机械设计中必须加以重视。
...loy C-276合金；应力松弛试验；蠕变本构方程；真空热胀形[gap=1077]Key words: Hastelloy C-276 alloy; stress relaxation test; creep constitutive equation; vacuum hot bulge forming..
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... stress-optical studies应力光学研究 stress-reaxation tests应力松弛试验 stress-relaxation curves应力松弛曲线 ...
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... 应力光学研究 stress-reaxation tests 应力松弛试验 stress-relaxation curves 应力应变定律 stress-strain relationships ...
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并以常规的等速拉伸和应力松弛试验作对比。
Meantime, conventional constant-rate elongation tests and stress relaxation tests are conducted with DCS-500.
本构方程中的未知参数由应力松弛试验和参数识别技术来确定。
The unknown parameter of the equation is fixed by stress relaxation test and parameter identification technology.
用自行改装的设备对几种类型的沥青混合料进行了应力松弛试验。
The stress relaxation test for some types of bituminous mixture has performed using a self-refited test machine.
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