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模拟人体体液中镁合金的腐蚀行为研究
Alternative TitleCorrosion Behavior of Mg-Zn-Y-Nd Alloy in Simulated Body Fluid
郏义征1; 赵明君2; 程世婧3; 王保杰2; 王硕4; 盛立远5; 许道奎4
2019
Source Publication中国腐蚀与防护学报
ISSN1005-4537
Volume39.0Issue:006Pages:463-468
Abstract研究了Mg-6Zn-1.2Y-0.8Nd合金样品在Hank’s溶液中经预浸泡处理前后的腐蚀行为。结果表明,表面的腐蚀产物对基体可以起到一定的防护作用。经4 h预浸泡处理后,合金表面形成的产物膜较为均匀,对基体的防护作用最佳,其腐蚀电流密度为1.98μA/cm^2。随着预浸泡时间的进一步延长,合金表面形成的腐蚀产物膜增厚,会发生自身开裂或与基体脱落,加剧了局部腐蚀,致使产物膜对基体的腐蚀防护作用明显下降。经48 h预浸泡处理后,合金的腐蚀电流密度增加至3.64μA/cm^2。
Other AbstractThe corrosion behavior of Mg-6Zn-1.2Y-0.8Nd alloy before and after pre-soaking in Hank’s solution was comparatively studied. Results revealed that the surface corrosion products formed during pre-shoaking can protect the substrate from corrosion attack to a certain extent. After pre-soaking for 4 h, the product film formed on the surface was relatively uniform and had the best protective effect on the matrix. The corrosion current density was 1.98 μA/cm^2. As the pre-soaking time was further extended,the corrosion products film formed on sample surfaces became thicker, and tend to be cracked and detached from the substrate, correspondingly the localized corrosion was accelerated, resulting in the decrease in their protective effect. After pre-soaking for 48 h, the corrosion current density of the alloy increased to 3.64 μA/cm^2.
Keyword镁合金 生物材料 产物膜 局部腐蚀 浸泡
Indexed ByCSCD
Language中文
CSCD IDCSCD:6649112
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/142033
Collection中国科学院金属研究所
Affiliation1.四川建筑职业技术学院
2.沈阳理工大学
3.中国科学院
4.中国科学院金属研究所
5.北京大学
Recommended Citation
GB/T 7714
郏义征,赵明君,程世婧,等. 模拟人体体液中镁合金的腐蚀行为研究[J]. 中国腐蚀与防护学报,2019,39.0(006):463-468.
APA 郏义征.,赵明君.,程世婧.,王保杰.,王硕.,...&许道奎.(2019).模拟人体体液中镁合金的腐蚀行为研究.中国腐蚀与防护学报,39.0(006),463-468.
MLA 郏义征,et al."模拟人体体液中镁合金的腐蚀行为研究".中国腐蚀与防护学报 39.0.006(2019):463-468.
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