Experimental Study of Grinding Characteristics on SiCp/Al Composites

This paper deals with the grinding performances of SiCp/Al composites with higher volume fraction and larger SiC particle. The effects of the grinding parameters on the grinding force, removal mechanisms of SiC particles have been investigated. The grinding tests were carried out by using diamond wh...

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Bibliographic Details
Published in:Key engineering materials 2011-01, Vol.487, p.135-139
Main Authors: Yu, Xiao Lin, Zhou, Li, Huang, Shu Tao
Format: Article
Language:English
Subjects:
Aluminum
Fracture mechanics
Microcracks
Particulate composites
Reinforcement
Scanning electron microscopy
Silicon carbide
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Summary:This paper deals with the grinding performances of SiCp/Al composites with higher volume fraction and larger SiC particle. The effects of the grinding parameters on the grinding force, removal mechanisms of SiC particles have been investigated. The grinding tests were carried out by using diamond wheel on surface grinding machine. The results indicate that the feed speed of worktable has more significant effect on the grinding forces than that of grinding depth. The scanning electron microscopic images of the machined surfaces indicate that the material removal of SiC particles was primarily due to the failure of the interface between the reinforcement and matrix, and resulting from microcracks along the interface and many fracture or crushed SiC particles on the ground surface.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.487.135