Thermomechanical response of metals heated by ultrashort-pulsed lasers

J.K. Chen; J.E. Beraun; D.Y. Tzou

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Thermomechanical response of metals heated by ultrashort-pulsed lasers

机译：超短脉冲激光加热的金属的热机械响应

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A set of fully coupled thermoelasticity equations is derived, based on the dual-hyperbolic two-temperature (Chen and Beraun, 2001) and hot-electron blast (Falkovsky and Mishchenko, 1999) models, to investigate the deformation of metals subjected to ul- Trashort-pulsed laser heating. Two potential damage mechanisms, thermal (melting) And nonthermal (high stress damage), are identified. The latter is primarily caused from The hot-electron blast force when the lasers are so intense that the induced electron Temperature is one the order of the Fermi temperature.

机译：基于双双曲线双温度模型（Chen和Beraun，2001年）和热电子爆炸模型（Falkovsky和Mishchenko，1999年），导出了一组完全耦合的热弹性方程，以研究受ul-短脉冲激光加热。确定了两个潜在的损坏机制，即热（熔化）和非热（高应力损坏）。后者主要是由于当激光如此强烈以至于感应电子温度是费米温度的一阶时的热电子爆炸力引起的。

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来源
《Journal of thermal stresses》 |2002年第6期|p.539-558|共20页
作者
J.K. Chen; J.E. Beraun; D.Y. Tzou;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
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Thermomechanical response of metals heated by ultrashort-pulsed lasers

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