文章讨论了航空波导结构密封失效的故障机理，表面活性、胶层弹性模量、热膨胀、以及因环境变化产生应力等引起密封失效的有关因素。
Study on failure mechanism shown: the main cause is the deformation stress due to environment changes that resulted high leakage failure ratio during environment conditional tests.
研究结果表明，膨胀性泥页岩填料的承载比（CBR）和回弹模量主要受制样含水量及干密度的控制；
The results have shown that the CBR and resilience modulus of expansive shale were mainly controlled by moisture content and dry density.
得出膨胀力取决于限制膨胀的固体介质的弹性模量的结论。
We get the conclusion that the expansive pressure is determined by elastic modulus of the expanded solid medium.
根据热力学近似理论，在对体积热膨胀系数和体积弹性模量的乘积进行假设的基础上推导了一个体积热膨胀系数与体积和温度间的关系式。
On the assumption that the product of volume thermal expansivity and bulk modulus based on the thermodynamic approximation theory, a new equation is presented for volume thermal expansion coefficient.
试验得到的数据有：应力应变关系曲线、屈服强度、极限强度、弹性模量、延伸率和热膨胀系数。
The test data include the stress? Strain curve, yield strength, tensile strength, Youngs modulus, elongation and expansion coefficient.
依据这种电子结构计算了晶格常数、结合能、势能曲线、体弹性模量和线热膨胀系数随温度的变化，理论值与实验值均符合较好。
At the same time we curve fit the bulk modulus B of these binary alloys using the results and least square mothod.
依据这种电子结构计算了晶格常数、结合能、势能曲线、体弹性模量和线热膨胀系数随温度的变化，理论值与实验值均符合较好。
At the same time we curve fit the bulk modulus B of these binary alloys using the results and least square mothod.
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