Modelling the thermo-mechanical behaviour of an Al alloy-SiCp composite effects of particle shape and microscale fracture

P. E. McHugh; P. Connolly

doi:10.1016/0927-0256(94)90133-3

Modelling the thermo-mechanical behaviour of an Al alloy-SiC_p composite effects of particle shape and microscale fracture

P. E. McHugh, P. Connolly

Mechanical Engineering

University of Galway

Research output: Contribution to a Journal (Peer & Non Peer) › Article › peer-review

8 Citations (Scopus)

Abstract

The mechanical behaviour of an Al alloy/SiC particle reinforced composite undergoing thermomechanical fatigue, i.e. cyclic loading and cyclic temperature change, is simulated. The Continuum Micromechanics approach is taken where individual reinforcing particles are represented using an idealised 3D repeating unit cell finite element model. Continuum constitutive theories are used, viz. elasticity for the SiC and elasticity-J₂ flow theory plasticity for the matrix. The results are compared with published experimental macroscale data for thermo-mechanical fatigue of an Al alloy/SiC composite. The effects of particle shape and particle fracture are assessed. Interfacial debonding is simulated using a simple elastic strain energy/element removal method.

Original language	English
Pages (from-to)	199-206
Number of pages	8
Journal	Computational Materials Science
Volume	3
Issue number	2
DOIs	https://doi.org/10.1016/0927-0256(94)90133-3
Publication status	Published - Nov 1994

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10.1016/0927-0256(94)90133-3

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abstract = "The mechanical behaviour of an Al alloy/SiC particle reinforced composite undergoing thermomechanical fatigue, i.e. cyclic loading and cyclic temperature change, is simulated. The Continuum Micromechanics approach is taken where individual reinforcing particles are represented using an idealised 3D repeating unit cell finite element model. Continuum constitutive theories are used, viz. elasticity for the SiC and elasticity-J2 flow theory plasticity for the matrix. The results are compared with published experimental macroscale data for thermo-mechanical fatigue of an Al alloy/SiC composite. The effects of particle shape and particle fracture are assessed. Interfacial debonding is simulated using a simple elastic strain energy/element removal method.",

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year = "1994",

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AU - Connolly, P.

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N2 - The mechanical behaviour of an Al alloy/SiC particle reinforced composite undergoing thermomechanical fatigue, i.e. cyclic loading and cyclic temperature change, is simulated. The Continuum Micromechanics approach is taken where individual reinforcing particles are represented using an idealised 3D repeating unit cell finite element model. Continuum constitutive theories are used, viz. elasticity for the SiC and elasticity-J2 flow theory plasticity for the matrix. The results are compared with published experimental macroscale data for thermo-mechanical fatigue of an Al alloy/SiC composite. The effects of particle shape and particle fracture are assessed. Interfacial debonding is simulated using a simple elastic strain energy/element removal method.

AB - The mechanical behaviour of an Al alloy/SiC particle reinforced composite undergoing thermomechanical fatigue, i.e. cyclic loading and cyclic temperature change, is simulated. The Continuum Micromechanics approach is taken where individual reinforcing particles are represented using an idealised 3D repeating unit cell finite element model. Continuum constitutive theories are used, viz. elasticity for the SiC and elasticity-J2 flow theory plasticity for the matrix. The results are compared with published experimental macroscale data for thermo-mechanical fatigue of an Al alloy/SiC composite. The effects of particle shape and particle fracture are assessed. Interfacial debonding is simulated using a simple elastic strain energy/element removal method.

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ER -

Modelling the thermo-mechanical behaviour of an Al alloy-SiC_p composite effects of particle shape and microscale fracture

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