Residual stress and cracking in thin PVD coatings

被引：119

作者：

Teixeira, V ^{[1
]}

机构：

[1] Univ Minho, Inst Mat, IMAT, Dept Phys, P-4700 Braga, Portugal

来源：

VACUUM | 2002年 / 64卷 / 3-4期

关键词：

D O I：

10.1016/S0042-207X(01)00327-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High temperature processing is currently present in the industrial production of advanced functional coatings. This paper discusses the role of residual stress on the mechanical integrity of PVD protective coatings. A numerical model of the residual stress distribution within a layered metal-ceramic composite coating is presented. The stress-induced failure modes are analysed. Residual stress distribution near the edges and within microcracked ceramic coatings is also analysed. The topics discussed should provide some insights into the development of a methodology for designing fail-safe coating systems which should complement experimental procedures for evaluation of protective coatings. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：393 / 399

页数：7

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