interface mechanical analysis of ultra thin film-substrate system under the linear contact

被引：0
|
作者：
Nie C.-Y. [1 ]
Zheng D.-Z. [1 ]
Gu L. [1 ]
Zhang C. [1 ]
Wang L.-Q. [1 ]
机构：
[1] Research Lab of Space and Aerospace Tribology, Harbin Institute of Technology, Harbin
来源：
Gu, Le (gule@hit.edu.cn) | 1600年 / Tsinghua University卷 / 34期
关键词：
Complex function; Interface mechanics; Linear contact; Method of images; Ultra-thin film;
D O I：
10.6052/j.issn.1000-4750.2016.08.0637
中图分类号：
学科分类号：
摘要：
Ultra-thin films of about 1 μm are widely used in friction pairs with point/line-contact, and their interfacial failures have significant effects on the service life of frictional components. An interface mechanical model of film-substrate system with hard or soft thin films deposited on the bearing steel surfaces is built to analyze the interface stresses and deformations under the linear contact. Using image method of complex function, the solution of unit point force is obtained as the Green's function for evaluating and integrating. The model is verified as a degradation of homogeneous material. The distribution states of interface stresses for a cylindrical contact with DLC and MoS2 of hard and soft films are calculated and discussed. This model can be used for interfacial analysis and design in the mechanical components with ultra-thin films. © 2017, Engineering Mechanics Press. All right reserved.
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页码：202 / 209
页数：7
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