Influence of molybdenum on the microstructure and mechanical properties of TiC-TiB2 reinforced metal matrix composite coatings
作者： Guang Yang , ZongDe Liu , YongTian Wang
DOI: 10.1007/S11431-013-5150-4
关键词:
摘要: TiC reinforced nickel-based composite coatings with different molybdenum contents were in-situ fabricated on 316L steel by the pulsed Nd:YAG laser in order to solve severe wear problem of biomass fired boiler tubes. TiB2 decomposed and formed several borides coatings. The microstructure phase compositions analyzed means scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS) X-ray diffractometry (XRD). It was found that increase could create new binder phases lessen deficiencies coatings, preventing reinforcement from being pulled out matrices leading less delaminations during erosion. Though addition improved average hardness composites, it not improve resistance. mechanisms these further discussed this paper.
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