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首页> 外文期刊>Journal of thermal stresses >Effect of thermal stress on crack growth in inhomogeneous cylindrical superconductor
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Effect of thermal stress on crack growth in inhomogeneous cylindrical superconductor

机译:热应力对非均匀圆柱超导体裂纹生长的影响

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摘要

The effect of thermal stress on the growth of central cracks in inhomogeneous cylindrical superconductors is investigated assuming that the material properties vary linearly with the radial coordinate and temperature differences. General expressions for the temperature distribution and thermal stress in terms of a Bessel equation and the plane strain approach are derived. The results indicate that the distributions and variations in the radial and hoop thermal stresses in an inhomogeneous superconductor differ from those in homogeneous superconductors. However, thermal stress affects the crack growth similarly in both superconductor types. The thermal- stress analysis should be useful for the crack growth prediction regarding inhomogeneous superconductors.
机译:假设材料特性随着径向坐标和温度差异的情况,研究了热应力对非均匀圆柱形超导体中的中央裂缝的生长的影响。衍生出用于贝塞尔方程和平面应变方法的温度分布和热应力的一般表达。结果表明,不均匀超导体中的径向和箍热应力的分布和变化不同于均匀超导体中的分布和变化。然而,热应力在两个超导体类型中类似地影响裂缝增长。热应力分析应该有助于关于不均匀超导体的裂缝生长预测。

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