Annealing of Glassy and Ceramic Materials by Nanosecond Laser Pulses

被引：0
|
作者：
A. F. Kovalenko
机构：
[1] Dukhov All-Russia Scientific-Research Institute of Automatics,
来源：
Glass and Ceramics | 2018年 / 75卷
关键词：
laser processing; laser annealing; dynamic problem of thermoelasticity; glass; ceramic; criterion of thermal strength;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of pulsed laser radiation on glassy and ceramic materials is examined within the scope of the dynamic uncoupled problem of thermoelasticity for a half-space. Analytical relations expressing the thermal strength criteria for materials are obtained with three temporal shapes of laser pulses of nanosecond duration, making it possible to determine non-destructive regimes of annealing. The impact of the temporal shape of a laser pulse on the annealing regimes of materials is shown. It is found that laser pulses with a steep leading edge and a protracted trailing edge give thermoelastic stress reduction in the material.
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页码：242 / 245
页数：3
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