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Improving the mechanical and anti-wear properties of AlTiN coatings by the hybrid arc and sputtering deposition
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- Zhang, Quan (author)
- Guangdong Univ Technol, Peoples R China
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- Wu, Zhengtao (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Guangdong Univ Technol, Peoples R China
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- Xu, Yu X. (author)
- Guangdong Univ Technol, Peoples R China
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- ELSEVIER SCIENCE SA, 2019
- 2019
- English.
- In: Surface & Coatings Technology. - : ELSEVIER SCIENCE SA. - 0257-8972 .- 1879-3347. ; 378
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Arc-evaporated AITiN coatings with remarkable adhesion and thermal stability are widely used in manufacturing. However, the large residual stress and surface roughness limit their high-level applications for advanced machining. In this study, a hybrid technique combining cathodic arc evaporation and magnetron sputtering was utilized to enhance the mechanical properties and wear resistance of AlxTi1-xN with x = similar to 0.65. The hybrid AIM coatings exhibited a nano-multilayer architecture with alternating arc-evaporated and magnetron sputtered constituents, which decreased their residual stress from -7.1 GPa to about -5.0 GPa. In addition, the hybrid AlTiN showed higher indentation toughness than the monolithic coatings. The hybrid AITiN coating with a target sputtering power of 7.0 kW showed excellent wear resistance at room and high temperature. At 800 degrees C, the hybrid coatings mainly showed abrasive and oxidation wear, while the monolithic AITiN coating showed abrasive/oxidation wear and brittle failure.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Keyword
- AlTiN; Hybrid deposition; Mechanical properties; Residual stress; Wear resistance
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Zhang, Quan
- Wu, Zhengtao
- Xu, Yu X.
- Wang, Qimin
- Chen, Li
- Kim, Kwang Ho
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- ENGINEERING AND TECHNOLOGY
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- Linköping University
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