SiO2-Al2O3-glass composite coating on Ti-6Al-4V alloy: Oxidation and interfacial reaction behavior

被引：68
作者：
Li, Wenbo [1 ]
Zhu, Shenglong [1 ]
Wang, Cheng [1 ]
Chen, Minghui [1 ]
Shen, Mingli [1 ]
Wang, Fuhui [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
来源：
CORROSION SCIENCE | 2013年 / 74卷
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
Titanium; EPMA; TEM; Oxidation; CORROSION BEHAVIOR; GLASS COATINGS; MOLTEN GLASS; TITANIUM; AIR; MICROSTRUCTURE; FABRICATION; RESISTANCE; FRACTURE;
D O I：
10.1016/j.corsci.2013.05.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
SiO2-Al2O3-glass composite coating was prepared on Ti-6Al-4V alloy by air spraying and subsequent firing. The oxidation behavior of the specimens at 800 degrees C and 900 degrees C for 100 h was studied. The thermal shock resistance of the coating was tested by heating up to 900 degrees C and then quenching in water. The composite coating acted as an oxygen migration barrier and exhibited good resistance against high temperature oxidation, thermal shock, and oxygen permeation on the Ti-6Al-4V alloy. Coating/alloy interfacial reaction occurred, forming a Ti5Si3/Ti3Al bilayer structure. A thin Al2O3 rich layer formed beneath the composite coating during oxidation at 900 degrees C. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：367 / 378
页数：12
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