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Experimental study of high temperature mechanical and fatigue behaviours of sicp_a356 composites for brake disc

Wang, Wenjing, Li, Qiang and Barton, Janice (2007) Experimental study of high temperature mechanical and fatigue behaviours of sicp_a356 composites for brake disc At ECCOMAS Thematic Conference on Mechanical Response of Composites. 12 - 14 Sep 2007. 9 pp.

Record type: Conference or Workshop Item (Paper)

Abstract

Mechanical and low cycle fatigue behaviours of SiCp_A356 composite at room and elevated temperature are investigated by experiments. The yield stress, tensile stress and Young’s modulus drop obviously with the rising temperature. The hardening cycle occurs between 200C and 1500C, but weakens with rising temperature. The softening cycle appears between 2000C and 3000C, but increases with rising temperature. The relaxation performance is similar to that of a standard metal material. The low cycle fatigue behaviour of SiCp_A356 agrees with the equation of Manson-Coffin, which is severely affected by temperature, espe-cially for small strain amplitudes. The cyclic thermal elasto-plastic and creep constitutive models are presented for the brake disc stress-strain analysis and life prediction. Finally the micro fracture mechanics is analyzed.

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More information

Published date: 2007
Venue - Dates: ECCOMAS Thematic Conference on Mechanical Response of Composites, 2007-09-12 - 2007-09-14
Keywords: SiCp_A356 composite, Monotonic and Cyclic Mechanical Behaviour, Stress Relaxation, Low Cycle Fatigue
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 50077
URI: http://eprints.soton.ac.uk/id/eprint/50077
PURE UUID: 3d8c1406-507e-40b4-8195-b78ed5889831

Catalogue record

Date deposited: 22 Jan 2008
Last modified: 17 Jul 2017 14:54

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