THE INFLUENCE OF COMPOSITION GRADIENTS ON TENSILE PROPERTIES OF WELD METAL

被引：5
|
作者：
CHOI, ID
MATLOCK, DK
OLSON, DL
机构：
[1] Colorado Sch of Mines, Golden, CO,, USA, Colorado Sch of Mines, Golden, CO, USA
来源：
SCRIPTA METALLURGICA | 1988年 / 22卷 / 09期
关键词：
METALS TESTING - Creep - NICKEL AND ALLOYS - Welding - NICKEL METALLOGRAPHY - Segregation;
D O I：
10.1016/S0036-9748(88)80039-5
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In this study, the effects of weld metal microsegregation, as altered by post-weld heat treatments, on both low and high temperature tensile properties were investigated on an alloy system which exhibits significant segregation of the major alloying elements without complex transformations or precipitation. Monel alloy 400, which consists primarily of nickel and copper, was chosen as a model system. This system is a single phase FCC solid solution at all temperatures, and has a low distribution coefficient, k. On solidification, significant microsegregation occurs with copper segregating to the interdendritic boundaries. 6 Refs.
引用
收藏
页码：1563 / 1568
页数：6
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