Mechanisms of Deformation and Fracture of Thin Coatings on Different Substrates in Instrumented Indentation

被引：5
|
作者：
Eremina, G. M. [1 ]
Smolin, A. Yu. [1 ,2 ]
Psakhie, S. G. [1 ,2 ,3 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Strength Phys & Mat Sci, Tomsk, Russia
[2] Natl Res Tomsk State Univ, Tomsk, Russia
[3] Natl Res Tomsk Polytech Univ, Inst Phys High Technol, Tomsk, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2018年 / 60卷 / 12期
关键词：
nanostructured coatings; indentation; fracture; simulation; movable cellular automaton method; BEHAVIOR; SILICON;
D O I：
10.1007/s11182-018-1342-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Mechanical properties of thin surface layers and coatings are commonly studied using instrumented indentation and scratch testing, where the mechanical response of the coating - substrate system essentially depends on the substrate material. It is quite difficult to distinguish this dependence and take it into account in the course of full-scale experiments due to a multivariative and nonlinear character of the influence. In this study the process of instrumented indentation of a hardening coating formed on different substrates is investigated numerically by the method of movable cellular automata. As a result of modeling, we identified the features of the substrate material influence on the derived mechanical characteristics of the coating - substrate systems and the processes of their deformation and fracture.
引用
收藏
页码：2169 / 2176
页数：8
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