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论文类型：期刊论文

发表时间：2015-03-01

发表刊物：CORROSION SCIENCE

收录刊物：SCIE、EI

卷号：92

页面范围：228-236

ISSN号：0010-938X

关键字：Magnesium; EIS; Weight loss; Pitting corrosion

摘要：The microstructural evolution, corrosion resistance and mechanical properties of an as-forged Mg-6.7%Zn-1.3%Y-0.6%Zr alloy before and after solid solution treatment (T4) were investigated. Results revealed that the proposed T4 treatment can improve corrosion resistance of the alloy. Based on the microstructural observations, such improvement in corrosion resistance incurred by the T4 treatment was mainly ascribed to the elimination of the inhomogeneous distribution associated with the MgZn2 precipitates formed during hot forging process. However, due to the limited precipitation of nano-scale I-Mg3Zn6Y particles, the strength of the T4 treated specimen was slightly degraded. (C) 2014 Elsevier Ltd. All rights reserved.