Characterization and Optimization of CRN Coating on Tool Steel (6559)
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 4
Abstract
The Surface alteration by means of thin film deposition is an main industrial process used to protect base materials against wear, fatigue, corrosion and other surface related damage constarints. Thin hard coatings such as TiN, CrN, and TiAlN have been accepted specially in the cutting and forming tool industries. TiN and TiAlN coating widely used for dry cutting operations due to its high hardness, CrN coatings have been used to forming tool dies for its hardness and corrosion resistance. The Tool steels are delivered with heat treated state, commonly hardened and tempered to provide for particularapplication. The Tool dies are precision products that are final shape and dimensions are important in micron level accurat in production of parts. The tool steels have different machinability which varies with the chemical composition and microstructure of steels.The objective of this project is to coat CrN on 6959 steel die components. It is very essential to substantiate the role of different sputtering conditions for achieve desired microstructural properties. The microstructural characteristics of thin film are effectively governed by sputtering parameters.The present work is to evaluate the effect of process parameters on properties of coated surface and focused to optimize the CrN thin film coating on plastic mould tool steels using RSM. The behaviour of coating is to be tested by using - XRD, scratch tester, pin on disc , micro hardness tester.
Authors and Affiliations
DhineshKumar. K, C. K. Murugesan
Keywords
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