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dc.contributor.authorPramanik, Alokesh
dc.contributor.authorZhang, Liangchi
dc.contributor.authorArsecularatne, Joseph
dc.identifier.citationPramanik, A. and Zhang, L. C. and Arsecularatne, J. A. 2008. Machining of metal matrix composites: effect of ceramic particles on residual stress, surface roughness and chip formation. International Journal of Machine Tools and Manufacture. 48 (15): pp. 1613-1625.

Machining forces, chip formation, surface integrity and shear and friction angles are important factors to understand the machinability of metal matrix composites (MMCs). However, because of the complexity of the reinforcement mechanisms of the ceramic particles, a fair assessment of the machinability of MMCs is still a difficult issue. This paper investigates experimentally the effects of reinforcement particles on the machining of MMCs. The major findings are: (1) the surface residual stresses on the machined MMC are compressive; (2) the surface roughness is controlled by feed; (3) particle pull-out influences the roughness when feed is low; (4) particles facilitate chip breaking and affect the generation of residual stresses; and (5) the shear and friction angles depend significantly on feed but are almost independent of speed. These results reveal the roles of the reinforcement particles on the machinability of MMCs and provide a useful guide for a better control of their machining processes.

dc.subjectResidual stress
dc.subjectSurface roughness
dc.subjectChip formation
dc.subjectMetal matrix composite
dc.titleMachining of metal matrix composites: effect of ceramic particles on residual stress, surface roughness and chip formation
dc.typeJournal Article
dcterms.source.titleInternational Journal of Machine Tools and Manufacture

NOTICE: this is the author’s version of a work that was accepted for publication in International Journal of Machine Tools and Manufacture. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Machine Tools and Manufacture, Volume 48, Issue 15, December 2008. doi:10.1016/j.ijmachtools.2008.07.008

curtin.accessStatusOpen access

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