Analog Simulation of Local Stress Field in SiCp Reinforced Magnesium Matrix Composites

Acta Metall Sin

2004, Vol. 40

Issue (9): 927-929 DOI:

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Analog Simulation of Local Stress Field in SiCp Reinforced Magnesium Matrix Composites

LI Xiaojun; CHAI Donglang; XI Yulin

State Key Laboratory for Mechanical Behavior of Materials; Xi'an Jiaotong University; Xi'an 710049

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LI Xiaojun; CHAI Donglang; XI Yulin. Analog Simulation of Local Stress Field in SiCp Reinforced Magnesium Matrix Composites. Acta Metall Sin, 2004, 40(9): 927-929 .

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Abstract The local stress field of actual particles in magnesium matrix composites reinforced with SiC particles (SiCp) was simulated using the finite element method. The result suggests that the local stress fields of particles with different shapes have great difference and some particles may fail under a lower stress. If the volume fraction of particles is less, other particles have little influence on the local stress field of a certain particle. Therefore, the local stress field of a particle with a given shape can be simulated. Magnesium matrix composites reinforced with SiCp were prepared by powder metallurgy. Fracture analysis was performed and was compared with the particle failure analysis carried out by finite element method.

Key words: magnesium matrix composite finite element method analog simulation

Received: 31 July 2003

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