Journal
MATERIALS LETTERS
Volume 272, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2020.127870
Keywords
High entropy alloys; Coatings; Plasma cladding; Ceramics; Wear and tribology
Funding
- National Natural Science Foundation of China [51775259]
- Natural Science Foundation of Jiangsu Province [BE2018091]
- Qing Lan Project
- 333 Project of Jiangsu Province
- Opening Project of Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology [ASMA201704, ASMA201902]
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The micro-nano TiN-Al2O3 multiphase ceramics were in-situ synthesized in CoCrFeNiMn high-entropy alloys (HEAs) coating by plasma cladding. The as-prepared coating has a FCC single-phase. The hardness of TiN-Al2O3/CoCrFeNiMn HEAs composite coating was 17.6% higher than that of pure HEAs coating. The wear volume of the composite coating was 11.07 x 10(-3) mm(3), which was 12.5% lower than that of pure HEAs coating. Furthermore, the TiN-Al2O3 ceramic particles have significant effect to restrain the adhesive wear and promote the steady-state friction of the HEAs coating during sliding process. (C) 2020 Elsevier B.V. All rights reserved.
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