Effect of heat treatment on microstructure evolution and erosion-corrosion behavior of a nickel-aluminum bronze alloy in chloride solution

被引:106
|
作者
Wu, Zhong [1 ,2 ]
Cheng, Y. Frank [2 ]
Liu, Lei [1 ]
Lv, Weijie [1 ]
Hu, Wenbin [3 ]
机构
[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200040, Peoples R China
[2] Univ Calgary, Dept Mech & Mfg Engn, Calgary, AB T2N 1N4, Canada
[3] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China
基金
中国博士后科学基金; 国家高技术研究发展计划(863计划);
关键词
Alloy; Aluminum; Copper; Erosion; SEM; Weight-loss; ELECTROCHEMICAL CORROSION; SLURRY EROSION; NIAL BRONZE; SEA-WATER; CAST; SEAWATER; POLARIZATION; INITIATION; STEEL;
D O I
10.1016/j.corsci.2015.05.037
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this work, the effect of heat treatment on microstructure and mechanical properties, as well as corrosion and erosion-corrosion behavior of a nickel-aluminum bronze (NAB) alloy in sodium chloride solution was studied. The heat treatment affects remarkably the microstructure of the NAB alloy and its mechanical properties. The strength and hardness increase with the increasing content of hard phases in the alloy. There is no obvious effect of the microstructure on electrochemical corrosion behavior of the alloy under various heat treatments. However, its erosion-corrosion resistance can be improved by generation of hard phases such as beta' and k phases by heat treatments. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:260 / 270
页数:11
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