Journal
TRIBOLOGY LETTERS
Volume 68, Issue 1, Pages -Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11249-020-01288-8
Keywords
Wear; Scratch; Elevated temperature; Adhesion; Mg alloy
Categories
Funding
- Council of Scientific and Industrial Research (CSIR) Project [22/0686/15/EMR-II]
- Nanoscale Research Facility at IIT Delhi
- National Research Foundation (NRF) grant - Korean government [2019R1H1A2080092, 2020M2A2A6A05026873]
- Ministry of Science and Technology (MOST) Program [108-2221-E-009-131-MY4]
- Center for the Semiconductor Technology Research from The Featured Areas Research Center Program by Ministry of Education (MOE) in Taiwan
- Ministry of Science and Technology, Taiwan [MOST-108-3017-F-009-003]
- National Research Foundation of Korea [2019R1H1A2080092] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We examine the role of important alloying elements (Al, Y), on friction and wear mechanisms of Mg as a function of temperature. Friction and wear tests of Mg-5%Al and Mg-5%Y alloys performed at room temperature, 100 degrees C and 150 degrees C reveal that addition of Al and Y significantly reduces the coefficient of friction. However, despite higher hardness of Mg-5%Y alloy, its wear rate was found to be higher than Mg-5%Al alloy at elevated temperatures. We show that this behaviour, observed for Mg-5%Y alloy at elevated temperature, can be attributed to its higher surface energy than Mg-5%Al and pure Mg, leading to enhanced adhesive wear, which is detrimental to tribological applications.
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