Performance of PVD AlTiCrN coating during machining of austenitic stainless steel
作者： A P Kulkarni , G G Joshi , V G Sargade
DOI: 10.1179/1743294413Y.0000000130
关键词: Coating 、 Indentation hardness 、 Microstructure 、 High-power impulse magnetron sputtering 、 Cemented carbide 、 Nanocrystalline material 、 Metallurgy 、 Austenitic stainless steel 、 Tool wear 、 Materials science
摘要: AbstractIn this study, the experimental results of dry, high speed turning AISI 304 austenitic stainless steels using nanocrystalline AlTiCrN coated cemented carbide insert are presented. High power pulsed magnetron sputtering (HPPMS) and cathodic arc evaporation (CAE) techniques were used to deposit coating on fine grained K grade insert. The composition microstructure deposited coatings analysed SEM. In addition, adhesion microhardness evaluated. Fine appearance with dense columnar structure was observed for by HPPMS technique. Microhardness values CAE found be 35 37 GPa respectively thickness 4·2 μm. effect cutting feed tool wear investigated. exhibited life 24 min, whereas of...
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