Elevated temperature tribological properties of AlTiN coating up to 700°C
作者： A. H. Liu , J. X. Deng
DOI: 10.1179/1743294414Y.0000000352
关键词: Composite material 、 Cemented carbide 、 Materials science 、 Tribology 、 Metallurgy 、 Evaporation 、 Cathodic protection 、 Al content 、 Coating 、 Adhesive wear 、 Abrasive
摘要: High Al content AlTiN were deposited on YG6 (WC+ 6 wt-%Co) cemented carbide by cathodic arc evaporation technique. The tribological properties investigated up to 700°C at a high speed of 100 m min−1. results showed that the friction coefficient coating decreased with increase temperature apparently. wear rate room was higher than 200 and 400°C, but ‘negative’ value over 500°C. mechanism less 400°C primary abrasive wear, while oxidation adherence suggested be main mechanisms elevated By comparison, adhesive more predominant in friction, contribution temperatures.
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