Thermal Shock Resistance of Stabilized Zirconia/Metal Coat on Polymer Matrix Composites by Thermal Spraying Process

被引：25

作者：

Zhu, Ling ^{[1
]}

Huang, Wenzhi ^{[2
]}

Cheng, Haifeng ^{[2
]}

Cao, Xueqiang ^{[1
,3
]}

机构：

[1] Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Changsha 410114, Hunan, Peoples R China

[2] Natl Univ Def Technol, Sci & Technol Adv Ceram Fibers & Composites Lab, Changsha 410073, Hunan, Peoples R China

[3] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resources Utilizat, Changchun 130022, Jilin, Peoples R China

来源：

JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2014年 / 23卷 / 08期

关键词：

failure; HVOF spray; polymers; thermal shock resistance; FUNCTIONALLY GRADED COATINGS; RESIDUAL-STRESS; BARRIER COATINGS; BOND STRENGTH; WEAR BEHAVIOR; PROTECTION; FATIGUE; PLASMA; STEEL; THICKNESS;

D O I：

10.1007/s11666-014-0144-8

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Stabilized zirconia/metal coating systems were deposited on the polymer matrix composites by a combined thermal spray process. Effects of the thicknesses of metal layers and ceramic layer on thermal shock resistance of the coating systems were investigated. According to the results of thermal shock lifetime, the coating system consisting of 20 mu m Zn and 125 mu m 8YSZ exhibited the best thermal shock resistance. Based on microstructure evolution, failure modes and failure mechanism of the coating systems were proposed. The main failure modes were the formation of vertical cracks and delamination in the outlayer of substrate, and the appearance of coating spallation. The residual stress, thermal stress and oxidation of substrate near the substrate/metal layer interface were responsible for coating failure, while the oxidation of substrate near the substrate/coating interface was the dominant one.

引用

页码：1312 / 1322

页数：11

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