Simulation of tribological functionality of heterogeneous tribomaterials

被引：5

作者：

Gruen, Florian ^{[1
]}

Godor, Istvan ^{[1
]}

Sailer, Wolfgang ^{[2
]}

Gaenser, Hans-Peter ^{[2
]}

机构：

[1] Univ Leoben, Chair Mech Engn, A-8700 Leoben, Austria

[2] MCL Mat Ctr Leoben Forsch GmbH, A-8700 Leoben, Austria

来源：

TRIBOLOGY INTERNATIONAL | 2012年 / 46卷 / 01期

关键词：

Heterogeneous tribomaterials; Large area contact; Tribomodel; Simulation; MODEL; WEAR;

D O I：

10.1016/j.triboint.2011.04.021

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

We simulated the tribological functionality of two heterogeneous tribomaterials used in conformal contacts by means of a FEM-based approach: journal bearing material AlSn20 and polymeric sealing material PTFE with bronze filler particles. For AlSn20, the emergency running capability, which is based on the activation (melting) of the soft phase tin, was simulated taking into account thermo-elastoplastic behaviour of the material. For the PTFE bronze compound, we analysed the load bearing capacity of the particle-structured surface with varying volumetric fraction of particles, temperature, load and creep behaviour of the PTFE Matrix. The results show benefit of heterogeneous designs over homogeneous materials. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：119 / 127

页数：9

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