Effects of gravity on mechanical properties of GTA welded joints

被引：7
|
作者：
Eisazadeh, Hamid [1 ]
Haines, Derek Jason [1 ]
Torabizadeh, Monavareh [1 ]
机构：
[1] Clarkson Univ, Potsdam, NY 13699 USA
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2014年 / 214卷 / 05期
关键词：
GTA welding; Gravity; Tensile test; GRAVITATIONAL ORIENTATION; ARC WELDS; POOL; MICROGRAVITY; PENETRATION; ALLOY;
D O I：
10.1016/j.jmatprotec.2014.01.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Stainless steel alloy 316 weld samples were subjected to spot gas tungsten arc welding at 1G (G = 9.8 m/s(2)) and 3.6G accelerations. The cross sections of the fusion zones were polished, etched, and measured in order to perform measurements on the microstructure. Measurement and observation results indicated that increasing in buoyancy driven flow produced wider but shallower welds during spot GTA welding. Tensile testing showed no noticeable differences in peak loads between samples welded at 1G and 3.6G. Tensile ductility was lightly less for the 3.6G samples. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：1136 / 1142
页数：7
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