激光切割熔融石英材料出现裂纹的主要原因是相当大的温度梯度所产生的过大热弹性应力。
The great thermal elasticity stress, resulted from the too great temperature gradient of material, is the main cause of bringing many cracks when the laser beam cuts the fused quartz material.
在此基础上，建立了能反映整个激光加工过程的主要物理特征的热弹性应力、热弹塑性应力以及残余应力的简化模型。
All these lead to the model of the thermal elastic stress, thermal elastoplastic stress and residual stress based on some simplications.
通过对静电封接结构的受力分析，建立了静电封接后弹性膜片的热失配应力数学模型。
The stress of anodic bonding is analysed and the math model of no match thermal stress about anodic bonded elastic diaphragm is built.
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