Evaluation of mechanical properties of aluminium alloy–alumina–boron carbide metal matrix composites

http://doras.dcu.ie/20232/1/naher_2203.pdf

Simulation of the stir casting process

Development and assessment of a new quick quench stir caster design for the production of metal matrix composites

Modelling of the prediction of tensile and density properties in particle reinforced metal matrix composites by using neural networks

This paper is aimed at studying the application of traditional investment casting process to obtain components in discontinuously particle reinforced aluminium matrix composites. Using the double stir method, a mixed liquid slurry of aluminium alloy and 20% SiC or 7.5% B 4 C carbides was obtained. As a case study a component from the textile sector was produced in unreinforced alloy and in both composites. The wear resistance of the components in the three different materials was ranked. Moreover, analysis of particle distribution and optical and scanning electron microscope observations of reaction products were also performed. Results show that components in aluminium alloy with SiC as reinforcement have uniform distribution of ceramic particles, sound interface without fragile compounds and wear resistance higher than that of components reinforced with B 4 C particles.

H.C. Yuen

Papers

The processing of metal matrix composites — an overview