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Purpose: The purpose of this work is to explain the reasons for improved cutting properties of coated tools made of nitride and sialon ceramics by means of investigations into mechanical properties, including microhardness, adhesion and abrasive resistance of the coatings deposited and by means of investigations into the chemical composition and structure of the coatings. Design/methodology/approach:...
Purpose: The paper presents investigation results of the structure and properties of the coatings deposited by cathodic arc evaporation - physical vapour deposition (CAE-PVD) techniques on the sialon tool ceramics. The Ti(B,N), Ti(C,N), (Ti,Zr)N, (Ti,Al)N and multilayer (Al,Cr)N+(Ti,Al)N, (Ti,Al)N+(Al,Cr)N coatings were investigated. Design/methodology/approach: The structural investigation includes...
Purpose: The aim of this paper is to investigate structure, mechanical and functional properties of sialon tool ceramics with wear resistant multicomponent coatings deposited with PVD method. Design/methodology/approach: The structural investigation includes the metallographic analysis on the scanning electron microscope. Examinations of the chemical compositions of the deposited coatings were carried...
Purpose: The purpose of this article is to evaluate strategic development perspectives of physical/ chemical vapour deposition of monolayer, multilayer and gradient coatings onto sintered tool materials with cemented carbides, cermets and tool ceramics substrates. The coating type was adopted as the criterion for technology division, thus obtaining eight technology groups for carried out research...
Purpose: The paper presents investigation results of the structure and properties of the coatings deposited by cathodic arc evaporation - physical vapour deposition (CAE-PVD) techniques on the Si3N4 and sialon tool ceramics. The Ti(B,N), Ti(C,N), (Ti,Zr)N and (Ti,Al)N coatings were investigated. Design/methodology/approach: The structural investigation includes the metallographic analysis on the scanning...
Purpose: The aim of the research was the investigation of the corrosion resistance and structure of the TiN, TiN+multiTiAlSiN+TiN, TiN+TiAlSiN+TiN, TiN+TiAlSiN+AlSiTiN coatings deposited by PVD process and Ti(C,N)+TiN, Ti(C,N)+Al2O3+TiN, TiC+TiN, TiC+Ti(C,N)+Al2O3+TiN, TiN+Al2O3 coatings deposited by CVD process. Design/methodology/approach: Investigation of the electrochemical corrosion behavior...
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