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    Effect of oxidation on sliding wear behavior of NiCrSiB-TiB2 plasma sprayed coatings
    (Key Engineering Materials, 2014) O. Umanskyi; I. Hussainova; M. Storozhenko; O. Terentyev; M. Antonov
    The main goal of this work is to study dry sliding wear behavior of NiCrSiB-TiB2 plasma sprayed coating against NiCrSiB coating. NiCrSiB-based сomposite powders with 10, 20, 40 wt.% TiB2 particles content were deposited on steel substrates by plasma spraying. The structure of NiCrSiB-TiB2 coatings consists of Ni-based matrix and TiB2 and CrB grains. Among the coatings studied, the NiCrSiB-20wt.%TiB2 shows excellent wear-resistance. The worn surfaces were observed using scanning electron microscopy and Auger electron spectrometry analysis to determine the wear mechanisms.