Drilling of hybrid metal matrix composites : Workpiece surface integrity
作者： S. Basavarajappa , G. Chandramohan , M. Prabu , K. Mukund , M. Ashwin
DOI: 10.1016/J.IJMACHTOOLS.2006.02.008
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摘要: Abstract The main concern in the present study is surface roughness variations on drilled and extension of sub-surface deformation due to drilling. influence different tools cutting conditions Al2219/15%SiCp Al2219/15%SiCp-3%Graphite (hybrid) composites investigated experimentally. are fabricated by liquid metallurgy method. drilling tests conducted with carbide coated tools. decreases increase speed increases feed rate. analyzed using scanning electron microscope (SEM). Microhardness profiles indicate that subsurface extends up a maximum 120 μm below machined for Al2219/15SiCp-3Gr composite when compared 150 μm Al2219/15SiCp composite.
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