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

页码：2169 / 2176

页数：8

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