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

被引：70

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：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

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

页码：367 / 378

页数：12

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