Journal
SURFACE & COATINGS TECHNOLOGY
Volume 425, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2021.127736
Keywords
(Ti, W)C; Stainless steel; Coating; Oxidation; High-temperature wear
Funding
- Baosteel Group Corporation
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The addition of Ti, WC particles improved the wear resistance and reduced the coefficient of friction of the coatings, while decreasing the oxidation resistance. However, it helped alleviate the sticking problem during actual rolling conditions.
(Ti, W)C reinforced stainless steel coatings were fabricated by plasma cladding for investigating the role of (Ti, W)C particles on microstructure, cyclic oxidation and high-temperature wear resistance of the coatings. (Ti, W)C particles were uniformly dispersed in the coatings and exhibited a diffusion-metallurgical bond with the (Fe, Ni) matrix. Although adding (Ti, W)C to the coating reduced the oxidation resistance due to the low thermal stability of these carbides, the rapid formation and thickening of oxide scale could alleviate the sticking problem in actual rolling condition. Moreover, (Ti, W)C addition resulted in the rapid formation and excellent maintenance of the tribo-oxide glaze during the sliding process, which remarkably improved the wear resistance and reduced the coefficient of friction.
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