Paper Title:

Finite Element Simulation of Microstresses in a Traditional FGM: The Case of Soft Tribo-Alloys

Periodical Materials Science Forum (Volumes 492 - 493)
Main Theme Functionally Graded Materials VIII
Edited by Omer Van der Biest, Michael Gasik, Jozef Vleugels
Pages 421-428
DOI 10.4028/www.scientific.net/MSF.492-493.421
Citation Rafael Schouwenaars et al., 2005, Materials Science Forum, 492-493, 421
Online since August, 2005
Authors Rafael Schouwenaars, Víctor H. Jacobo, Sara M. Cerrud, Armando Ortiz
Keywords Finite Element Model (FEM), Journal Bearing, Layered Structure, Metal Matrix Composite (MMC), Microstress
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Abstract

Journal bearings are graded systems with a metal-metal composite as the functional layer. Estimation of the microscale stress distributions is used to analyse the interaction between microstructure, material properties and damage mechanisms during wear. The analysis is executed by means of simple plane-strain finite element models mimicking experimentally observed microstructures. It is found that under realistic macrosstress conditions no tensile microstresses are induced in the triboalloy and that plastic flow is inhibited by the graded structure.