A study of thermal stresses during laser quenching

被引：42
|
作者：
Wang, HG
Guan, YH
Chen, TL
Zhang, JT
机构：
[1] Dept. of Archi. Engr. and Mech, Kunming Univ. of Sci. and Technology, Kunming, 650093, Yunnan
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 1997年 / 63卷 / 1-3期
关键词：
thermal stresses; phase transformation; laser quenching;
D O I：
10.1016/S0924-0136(96)02681-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper a new constitutive equation considering the effects of phase transformation is proposed and the complex coupling action between temperature, phase transformation and stresses is analyzed, based upon elastoplastic theory and phase transformation. Under the circumstances of temperature and yield condition given, the results of numerical calculations show that residual stresses are formed on the surface of a laser quenched workpiece, which is beneficial to the properties of material. Therefore, it is valid to study the thermal stresses of laser quenching for securing the optimum technology.
引用
收藏
页码：550 / 553
页数：4
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