Numerical Analysis of the Failure Processes of Plates Made of S 960 QC Steel

Neimitz, A.; Grzegorczyk, Adrian

doi:10.4028/www.scientific.net/kem.598.184

Cited by 2 publications

(1 citation statement)

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“…where f is the void volume fraction, fc is the critical value of the void volume fraction above which the process of void coalescence occurs and the material strength drops rapidly. The parameter fF is the void volume fraction at fracture [13].…”

Section: Model Of a Silicon Particle In An Aluminum Matrixmentioning

confidence: 99%

Archives of Foundry Engineering

Lachowski¹,

Borowiecka-Jamrozek²

2018

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This paper deals with numerical and analytical modelling of a diamond or silicon particle embedded in a metallic matrix. The numerical model of an elastic particle in a metallic matrix was created using the Abaqus software. Truncated octahedron-shaped and spherical-shaped diamond particles were considered. The numerical analysis involved determining the effect of temperature on the elastic and plastic parameters of the matrix material. The analytical model was developed for a spherical particle in a metallic matrix. The comparison of the numerical results with the analytical data indicates that the mechanical parameters responsible for the retention of diamond particles in a metal matrix are: the elastic energy of the particle, the elastic energy of the matrix and the radius of the plastic zone around the particle. An Al-based alloy containing 5% of Si and 2% of Cu was selected to study the mechanical behaviour of silicon precipitates embedded in the aluminium matrix. The model proposed to describe an elastic particle in a metallic matrix can be used to analyze other materials with inclusions or precipitates.

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Section: Model Of a Silicon Particle In An Aluminum Matrixmentioning

confidence: 99%