Corrosion resistance and electrical conductivity of nickel alloy N6 plasma arc welded joints

被引：0
|
作者：
Wang, Xijing [1 ]
Chai, Tingxi [1 ]
Liu, Xiao [1 ]
Zhao, Qingshan [1 ]
Wang, Jiang [2 ]
机构：
[1] State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou,730050, China
[2] Jinchuan Group Co., LTD, Jinchang,737100, China
来源：
Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering | 2016年 / 45卷 / 02期
关键词：
Welds - Corrosion rate - Hardness - Wire - Fillers - Corrosion resistant alloys - Electric conductivity - Microstructure - Nickel alloys - Plasma welding - Metals;
D O I：
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中图分类号：
学科分类号：
摘要：
The industrial nickel alloy N6 was experimentally studied by plasma arc welding with filler wire and without filler wire. The effects of welding on microstructure, hardness, corrosion resistance and electrical conductivity of nickel alloy N6 were investigated by OM, XRD and testing of hardness, corrosion mass loss as well as resistivity. The results show the significant effects of welding procedure on corrosion resistance and electrical conductivity. The corrosion resistance of the weld with filler wire and without filler wire deceases compared with the base metal. The corrosion rate and resistivity of welded joints without filler wire is larger than that of welded joints with filler wire. The corrosion resistance of the base metal and welded metal is mainly dependent on microstructure, hardness and inclusions. The resistivity is associated with such factors as grain size and inclusions. © 2016, Science Press. All right reserved.
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页码：426 / 430
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