Corrosion Research and Fractal Characteristics of As-Cast and Semisolid AZ91D Magnesium Alloys

被引：2
|
作者：
Yang, Lei [1 ,3 ]
Lai, Yonglai [2 ,3 ]
Yue, Kailin [1 ,3 ]
Liu, Yong [2 ,3 ]
Jin, Hualan [1 ,3 ]
机构：
[1] Nanchang Univ, Sch Phys & Mat Sci, Nanchang 330031, Jiangxi, Peoples R China
[2] Nanchang Univ, Sch Adv Mfg, Nanchang 330031, Jiangxi, Peoples R China
[3] Nanchang Univ, Key Lab Lightweight & High Strength Struct Mat Ji, Nanchang, Jiangxi, Peoples R China
来源：
CORROSION | 2023年 / 79卷 / 07期
关键词：
AZ91D magnesium alloy; corrosion; electrochemical experiment; fractal; BEHAVIOR; PHASE;
D O I：
10.5006/4282
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
As-cast and semisolid AZ91D magnesium alloy samples were corroded in distilled water, 0.9% NaCl solution, and 3.5% NaCl solution for various times, respectively. With the increase of corrosion time and the concentration of corrosion solution, the corrosion degree of the alloys gradually deepened. The corrosion resistance of semisolid alloy with nearly spherical grain refinement was significantly reduced, resulting in more corrosion pits anda higher corrosion rate. According to the fractal analysis, the corrosion process of semisolid alloy was more uniform under the same conditions. The fractal theory accurately described the corrosion process, further providing a better grasp of the corrosion behavior of AZ91D magnesium alloy.
引用
收藏
页码：762 / 770
页数：9
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