The hard abrasive ceramic component which increases the mechanical characteristics of metal matrix composites (MMC) causes quick wear and premature tool failure in the machining operations. The aim of the paper is to compare the behaviour of high rake angle carbide tools with their diamond coated versions in high-speed machining of an Al2O3Al 6061 MMC. The influence of the cutting parameters, in particular cutting feed and speed, on tool wear and surface finish has been investigated. The higher abrasion resistance of the coatings results in increased tool life performances and different chip formation mechanisms.
High-speed turning experiments on metal matrix composites / Iuliani, L.; Settineri, L.; Gatto, Andrea. - In: COMPOSITES. PART A: APPLIED SCIENCE AND MANUFACTURING. - ISSN 1359-835X. - STAMPA. - 29 (12):(1998), pp. 1501-1509.
High-speed turning experiments on metal matrix composites
GATTO, Andrea
1998
Abstract
The hard abrasive ceramic component which increases the mechanical characteristics of metal matrix composites (MMC) causes quick wear and premature tool failure in the machining operations. The aim of the paper is to compare the behaviour of high rake angle carbide tools with their diamond coated versions in high-speed machining of an Al2O3Al 6061 MMC. The influence of the cutting parameters, in particular cutting feed and speed, on tool wear and surface finish has been investigated. The higher abrasion resistance of the coatings results in increased tool life performances and different chip formation mechanisms.
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