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https://hdl.handle.net/10316/4316
Título: | Mechanical characterisation of TiN/ZrN multi-layered coatings | Autor: | Tavares, C. J. Rebouta, L. Andritschky, M. Ramos, S. |
Palavras-chave: | Multi-layers; Ultra-microhardness; Adhesion; Residual stress; Roughness | Data: | 1999 | Citação: | Journal of Materials Processing Technology. 92-93:(1999) 177-183 | Resumo: | 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. | URI: | https://hdl.handle.net/10316/4316 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais |
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filee8c353c89c0d4c75a178bb7ef5b46cac.pdf | 1.49 MB | Adobe PDF | Ver/Abrir |
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