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Abstract:
In this study, an Al0.6TiCrFeCoNi high entropy alloy coating was produced by high-velocity-oxygen-fuel spraying. The microstructure and phase composition of the coating were investigated, moreover the hardness and the fracture toughness of the coating were determined. The wear behavior of the coating at different temperatures was evaluated using a pin-on-disc test. The results show that the coating was very dense and consisted of lamellae. Two BCC phases with similar lattice parameters were detected in the as-sprayed coating. The wear of the coating against an Al2O3 counter body was mainly caused by abrasion at all temperatures. The role of fatigue wear increased with increasing test temperature. In addition, tribo-reaction played an important role at the test temperature of T = 500 degrees C, which led to the lowest friction coefficient of the coating under the given test conditions.
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Source :
SURFACE & COATINGS TECHNOLOGY
ISSN: 0257-8972
Year: 2019
Volume: 358
Page: 215-222
5 . 4 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:211
JCR Journal Grade:1
Cited Count:
WoS CC Cited Count: 104
SCOPUS Cited Count: 116
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
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