A Suppression Method for Thermomechanical Stresses during the Laser Processing of Structural Elements

V. B. Bednova

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A Suppression Method for Thermomechanical Stresses during the Laser Processing of Structural Elements

机译：一种结构构件激光加工过程中热机械应力的抑制方法

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A method to reduce thermomechanical stresses during the laser processing of a beam-like specimen along its side surface and a thin disk along its central circular hole is considered. Some analytical temperature expressions are obtained in both these cases. The problems of determining thermal stresses during the heating of specimens with consideration of heat transfer on their surfaces are solved. The solutions obtained with heat transfer and without it are compared. It is shown that the side surface blowing can be used to suppress the fracture of heated specimens.

机译：考虑了一种在束状试样的沿其侧面的激光加工和沿其中心圆孔的薄盘的激光加工期间减小热机械应力的方法。在这两种情况下都可以获得一些分析温度表达式。解决了在考虑样品表面传热的情况下确定样品加热过程中的热应力的问题。比较了有传热和没有传热的溶液。结果表明，侧面吹气可用于抑制加热样品的破裂。

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《Moscow university mechanics bulletin》 |2016年第6期|145-148|共4页
作者
V. B. Bednova;
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Moscow State University, Faculty of Mechanics and Mathematics,Leninskie Gory, Moscow, 119899, Russia;

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A Suppression Method for Thermomechanical Stresses during the Laser Processing of Structural Elements

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