MECHANICAL TESTING OF PLASMA-SPRAYED COATINGS OF CERAMICS

被引：11

作者：

COLIN, C ^{[1
]}

BOUSSUGE, M ^{[1
]}

VALENTIN, D ^{[1
]}

DESPLANCHES, G ^{[1
]}

机构：

[1] REGIE NATL USINES RENAULT,DIRECT LABS AUTOMOBILES,F-92109 BOULOGNE BILLANCO,FRANCE

来源：

JOURNAL OF MATERIALS SCIENCE | 1988年 / 23卷 / 06期

关键词：

ALUMINUM AND ALLOYS - Coatings - CAST IRON - Coatings - CERAMIC MATERIALS - Mechanical Properties - MATERIALS TESTING - Fracture - PROTECTIVE COATINGS - Plasma Spraying;

D O I：

10.1007/BF01115778

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Mechanical tests have been performed on two types of plasma-sprayed ceramics coatings: magnesium zirconate (ZM) on aluminium alloy and chromium oxide (CO) on cast iron. Tensile strength, shear strength, energy relaxation rate and crack velocity have been determined. Results obtained with double-torsion tests show good agreement with those of double-cantilever-beam tests. Fracture always occurred in the ceramic for the ZM coating and at the interface for the CO one. Finally, acoustic emission monitoring carried out during bending tests was used to point out different types of emission, and to correlate them with micrographic examinations in order to identify some damaging processes.

引用

页码：2121 / 2128

页数：8

共 8 条

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