Analysis of surface temperature and thermal stress field of slab continuous casting

被引：2
|
作者：
Zhang, X. Z. [1 ,2 ]
Jiang, Z. Y. [2 ]
Tieu, A. K. [2 ]
Zhu, H. T. [2 ]
Tian, Z. W. [1 ]
机构：
[1] Yanshan Univ, Inst Engn Mech, Qinhuangdao, Hebei, Peoples R China
[2] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollongong, NSW 2522, Australia
来源：
ADVANCES IN ABRASIVE TECHNOLOGY XII | 2009年 / 76-78卷
关键词：
Slab casting; mathematical model; temperature field; thermal stress; surface defects;
D O I：
10.4028/www.scientific.net/AMR.76-78.554
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
There are many defects on the surface of continuous casting slab, such as corner cracks, longitudinal cracks etc. To analyze the cracks and determine their locations, two-dimensional heat transfer mathematical model and thermal elasto-plastic stress model of slab casting were established in this paper. The process of solidification, temperature field, and thermal stress distribution on slab surface were analyzed using finite element method. The effect of thermal stress on the cracks on the slab surface was discussed. The location of the cracks caused by thermal stress can be predicted. This is useful for finding approaches to overcome these defects.
引用
收藏
页码：554 / +
页数：2
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