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Abrasion of Novel Aluminum Matrix Composites

Product Number: 51321-16936-SG
Author: Lisbeth Pelayo; Chase C. Hargrove; David S. Calderon; Harrison B. Porter; Vilupanur Ravi
Publication Date: 2021
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Ceramic-reinforced aluminum alloys offer distinct advantages over the base alloy. In this project, aluminum-based composites containing silicon carbide particle reinforcements were fabricated using an infiltration technique. Silicon carbide particles were incorporated into molten Al-10% Mg-5% Si (wt%). The resulting materials were characterized using optical and scanning electron microscopy to understand their microstructure. Phase analysis was conducted using X-ray diffraction. Vickers microhardness measurements were also obtained. The abrasion behavior of these composites was studied and compared to the matrix aluminum alloy as well as gray cast iron.

Ceramic-reinforced aluminum alloys offer distinct advantages over the base alloy. In this project, aluminum-based composites containing silicon carbide particle reinforcements were fabricated using an infiltration technique. Silicon carbide particles were incorporated into molten Al-10% Mg-5% Si (wt%). The resulting materials were characterized using optical and scanning electron microscopy to understand their microstructure. Phase analysis was conducted using X-ray diffraction. Vickers microhardness measurements were also obtained. The abrasion behavior of these composites was studied and compared to the matrix aluminum alloy as well as gray cast iron.