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Mikrostruktura odlewniczych stopów magnezu wzmacnianych cząstkami AL2O3

Piórkowski P., Kurzawa A.

Technical Issues

2016

nr 3

99--105

The article discusses problems of performing magnesium alloys composites, reinforced with Al2O3 particles. The chemical composition of casting magnesium alloys, most common alloy elements and their impact on alloy properties were described. The method of producing magnesium composites - „stir casting” and the impact of Al2O3 particles on properties of a composite were also described. Research were performed based on the AZ91D alloy for several different mixing times. The microstructure of an alloy and composite materials, including phases identification and quality of matrix-particle interphase were analysed. Based on the microstructure, the mixing efficiency was set. The percentage of Al2O3 particles in a composite was defined. The results of hardness and impact of mixing time on a microstructure and properties of a Mg-Al2O3 composite were shown.

Effect of Particulate Reinforced Aluminium Metal Matrix Composite – A Review

Saravanan C., Subramanian K., Krishnan V. A., Narayanan R. S.

Mechanics and Mechanical Engineering

2015

Vol. 19, nr 1

23--30

The combined effect of reinforcements on Aluminium Metal Matrix composites with individual and multiple particulate reinforcements like Hybrid Metal matrix composites are finding increased applications in aerospace, automobile, space, underwater, and transportation applications. This is mainly due to improved mechanical and tribological properties like strength, stiffness, abrasion, impact resistance and wear resistance. In the present scenario, a lot of research activities were on pipe line. This paper guides the researchers and engineers towards proper selection of materials by their properties in the relevant field and different techniques involved in manufacturing of metal matrix composites, particularly on the liquid state metal processing technique.