Corrosion Behavior of Selective Laser Melted AISi10Mg Alloy in NaCl Solution and Its Dependence on Heat Treatment

被引：5

作者：

Xin-Hui Gu ^{[1
]}

Jun-Xi Zhang ^{[1
]}

Xiao-Lei Fan ^{[1
]}

Lai-Chang Zhang ^{[2
]}

机构：

[1] Shanghai Key Laboratory of Material Protection and Advanced Material in Electric Power,Shanghai University of Electric Power

[2] School of Engineering,Edith Cowan University,270 Joondalup Drive

来源：

Acta Metallurgica Sinica(English Letters) | 2020年 / 33卷 / 03期

基金：

澳大利亚研究理事会;

关键词：

Aluminum; Selective laser melting; XRD; Electrochemistry; Pitting corrosion;

D O I：

暂无

中图分类号：

TG146.21 [];

学科分类号：

080502 ;

摘要：

This work investigates the corrosion behavior of AlSilOMg alloy produced by selective laser melting(SLM) and the counterparts heat-treated at 450-550℃in 3.5 wt% NaCl solution.Electrochemical measurements and weight loss tests together with microstructural characterizations were conducted.The SLM-produced alloy displays a microstructure with a continuous network of Si particles,exhibiting superior corrosion behavior.After heat treatment,the Si particles are coarsened and isolated and A1 matrix dissolves into their surrounding area,thereby degrading the corrosion resistance properties.Therefore,the corrosion resistance of AlSilOMg alloy degrades with increasing the heat treatment temperature.

引用

页码：327 / 337

页数：11