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.
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。
The stress decreases and the elastic modulus increases with increasing the volume fraction of SiC particles.
随颗粒体积分数的增大，颗粒的应力有减小趋势，材料的弹性模量呈增大趋势。
A modified theory of metal volume fraction is put forward to precisely predict tensile properties including elastic modulus, yield stress and tensile strength.
提出了修正后的金属体积分数理论，准确预测了材料的弹性模量、屈服应力及拉伸强度。
Based on the experimental study, volume creep compliance, volume relaxation modulus and their main curves and initial void content of solid propellant are given.
通过实验研究，给出了固体推进剂的体积蠕变柔量、体积松弛模量和材料的初始气孔率。
Based on the nonlinear model, the dynamic characteristic is simulated, by considering the influence of the environmental and geometrical factors, such as oil modulus, chamber volume etc.
然后，建立系统动态模型，对其动态特性进行非线性仿真研究，并就环境因素变化对系统工作特性的影响作了详细分析。
It is shown that the elastic modulus increases with volume fraction of ceramic particles, though the fracture strain decreases.
研究结果表明，复合材料拉伸弹性模量随增强体含量增加而升高，断裂延伸率下降。
It is shown that the elastic modulus increases with volume fraction of ceramic particles, though the fracture strain decreases.
研究结果表明，复合材料拉伸弹性模量随增强体含量增加而升高，断裂延伸率下降。
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