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Title: Mechanical characterisation of TiN/ZrN multi-layered coatings
Authors: Tavares, C. J. 
Rebouta, L. 
Andritschky, M. 
Ramos, S. 
Keywords: Multi-layers; Ultra-microhardness; Adhesion; Residual stress; Roughness
Issue Date: 1999
Citation: Journal of Materials Processing Technology. 92-93:(1999) 177-183
Abstract: Ultra-microhardness, adhesion and residual-stress analysis tests were performed on reactive sputtered deposited TiN/ZrN multi-layers. Hardness values as high as ~3600 Vickers were achieved for this material. Scratch tests of coatings deposited on steel substrates confirmed the existence of different mechanisms associated with total adhesion failure, depending essentially on multi-layer deposition control parameters. Stress-relaxation measurements indicated the compressive nature of these thin films. The inherent mechanical characterisation was broadened regarding the induced contributions from film thickness, total interfacial roughness, number of bi-layers and corresponding modulation periodicity. Complementary analyses with data extracted from structural XRD studies have been undertaken.
Rights: openAccess
Appears in Collections:FCTUC Eng.Mecânica - Artigos em Revistas Internacionais

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