材料激光淬火过程中样品表面时间-压力分布的建模

IF 1.3 4区工程技术 Q3 ENGINEERING, MECHANICAL

Journal of Engineering Thermophysics Pub Date : 2023-11-08 DOI:10.1134/S1810232823030165

K. E. Ulybyshev, V. V. Likhanskii, T. N. Aliev, V. G. Zborovskii, N. N. Elkin, O. V. Khoruzhii

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引用次数: 0

摘要

激光冲击硬化包括由短高能激光脉冲蒸发的样品表面层的等离子体产生的压力脉冲对样品的作用。为了模拟脉冲机械应力作用下材料性能的变化，有必要了解作用在样品上的压力对激光脉冲参数和蒸发材料性能的时空依赖性。本文提出了由于吸收材料的蒸发和等离子体光学击穿的发展而作用在样品上的压力的时间依赖性的模型和计算。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Modeling of Time Pressure Profile on Sample Surface during Laser Hardening of Material

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Modeling of Time Pressure Profile on Sample Surface during Laser Hardening of Material

Laser shock hardening consists in the action on a sample of a pressure pulse generated by the plasma of the sample surface layer vaporized by short high-energy laser pulses. To model the change in the properties of the material under the action of pulsed mechanical stresses, it is necessary to know the space-time dependence of the pressure acting on the sample subject to the parameters of the laser pulse and the properties of the evaporated material. This paper presents a model and calculation of the time dependence of the pressure acting on a sample as a result of evaporation of the absorbing material and the development of plasma optical breakdown.

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来源期刊

Journal of Engineering Thermophysics THERMODYNAMICS-ENGINEERING, MECHANICAL

CiteScore

2.30

自引率

12.50%

发文量

审稿时长

3 months

期刊介绍： Journal of Engineering Thermophysics is an international peer reviewed journal that publishes original articles. The journal welcomes original articles on thermophysics from all countries in the English language. The journal focuses on experimental work, theory, analysis, and computational studies for better understanding of engineering and environmental aspects of thermophysics. The editorial board encourages the authors to submit papers with emphasis on new scientific aspects in experimental and visualization techniques, mathematical models of thermophysical process, energy, and environmental applications. Journal of Engineering Thermophysics covers all subject matter related to thermophysics, including heat and mass transfer, multiphase flow, conduction, radiation, combustion, thermo-gas dynamics, rarefied gas flow, environmental protection in power engineering, and many others.