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Mechanical and thermophysical properties of high-temperature Ir(x)Re(1-x)alloys

机译：高温IR（X）Re（1-X）合金的机械和热物理性质

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摘要

The IrxRe1-x(0.1 <= x <= 0.7) alloys are hexagonal structured inclusion material used in an on-orbit communication satellite. The characteristic features of high-temperature alloys IrxRe1-x(0.1 <= x <= 0.7) are investigated by the theoretical evaluation of thermophysical and ultrasonic properties at room temperature. Initially, higher-order elastic constants of the alloys are calculated using the simple interaction potential model approach. With the help of this other elastic moduli, elastic stiffness constants and hardness parameters are estimated at room temperature for elastic and mechanical characterization. Later on, the ultrasonic velocity and thermal relaxation time of chosen alloys are evaluated utilizing calculated values of SOECs and lattice parameters within the same physical conditions. The orientation-dependent ultrasonic velocities and thermal relaxation time have been also evaluated for the determination of anisotropic behaviour and thermophysical properties. The obtained results are analysed to explore the inherent properties of Ir(x)Re(1-x)alloys.
机译：IRXRE1-X（0.1 <= x <= 0.7）合金是在轨道通信卫星中使用的六边形结构包涵体。通过在室温下热性和超声性能的理论评价研究了高温合金IRXRE1-X（0.1 <= <= 0.7）的特征。最初，使用简单的相互作用模型方法计算合金的高阶弹性常数。借助于这种其他弹性模量，在室温下估计弹性刚度常数和硬度参数，以弹性和机械表征。后来，利用在相同物理条件下利用所选择的合金的超声波速度和热弛豫时间利用所需的SOEC和晶格参数的计算值。还评价了取向依赖性超声速度和热弛豫时间，以确定各向异性行为和热物理性质。分析所得结果以探讨IR（X）Re（1-x）合金的固有性质。

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