Residual stresses in welded joints of high-strength steels

被引：0
|
作者：
L. Lobanov
V. Poznyakov
V. Pivtorak
O. Mikhodui
V. Orlovs’kyi
机构：
[1] Ukrainian National Academy of Sciences,Paton Institute of Electric Welding
来源：
Materials Science | 2009年 / 45卷
关键词：
welded joints; high-strength steels; residual stresses; arc welding;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
By using a “GLEEBLE-3800” complex, we perform the experimental investigations of the dynamics of changes in the yield strength of the metal of the heat-affected zone (HAZ) in low-carbon high-strength steels for various rates of cooling of the welded joints. The influence of the rate of energy input and thermal welding cycles on the formation of residual stresses in welded joints of steels with different chemical compositions and properties is determined both experimentally and numerically. The relationship between the residual stresses, modes of heat input, and the period of holding of the HAZ metal at temperatures above the point AC3 is established.
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页码：768 / 778
页数：10
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