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The axisymmetric shrink fit problem subjected to torsion
International Journal of Engineering Science ( IF 5.7 ) Pub Date : 2020-02-29 , DOI: 10.1016/j.ijengsci.2020.103259
J.P. Lopes , D.A. Hills

The problem of an elastic shaft fitted into an under-sized hole in an elastically identical body, the latter in the form of a half-space, has been studied when the assembly is subject to increasing and then subsequently reducing torque. The solution has been found as the superposition of a unilateral solution for an adhered contact pair and a set of ring dislocations along the contact interface to represent slip. The dislocations needed are prismatic (bz) and twist or screw (bθ), and by using continuous distributions of them the modified traction may be represented very effectively in a way which enables the local orthogonality requirement of slip to be followed rigorously. The residual interface tractions left when the applied torque has been completely removed are found. The whole calculation was carried out on a quasi-static basis.



中文翻译:

轴对称收缩配合问题

当组件先增大然后减小扭矩时,已经研究了将弹性轴安装到一个弹性相同主体中的尺寸过小的孔中的问题,该孔以半空间的形式存在。已经发现该解决方案是针对粘附的接触对的单边解决方案和沿接触界面的一组环位错来表示滑移的叠加。所需要的位错是棱柱形(b Ž)和扭曲或螺钉(b θ),并通过使用它们的连续分布,可以非常严格地表示滑移的局部正交性要求,从而非常有效地表示改进的牵引力。发现当完全消除施加的扭矩时剩余的剩余界面牵引力。整个计算是在准静态的基础上进行的。

更新日期:2020-02-29
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