DEFORMATION AND FRACTURE ANALYSIS OF COATING-SUBSTRATE SYSTEMS

被引：3
作者：
Kot, M. [1 ]
机构：
[1] AGH Univ Sci & Technol, Fac Mech Engn & Robot, PL-30059 Krakow, Poland
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2015年 / 60卷 / 03期
关键词：
coatings; deformation; stress; fracture; TRIBOLOGICAL PROPERTIES; MULTILAYER COATINGS; THIN-FILMS; DIAMOND; TOUGHNESS; INDENTATION; STRESS; TIN; NANOINDENTATION; MICROSTRUCTURE;
D O I：
10.1515/amm-2015-0378
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The paper presents the deformation and fracture analysis of coating-substrate systems dining spherical indentation. CrN and TiN ceramic coatings with a thickness of 1-5 mu m were tested using 10 to 200 pm tip radius spherical indenters. The typical results of indentation tests i.e. force-penetration depth curves were transformed into stress-strain curves using an algorithm developed by the author. The test results are compared with the results of numerical analysis conducted using FEM modelling Such a complex analysis allows users to determine the level of tensile stress leading to the formation of cracks observed using SEM and TEM microscopy, and to define the failure maps for the coating substrate-systems.
引用
收藏
页码：2307 / 2317
页数：11
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