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Ion-Plasma Erosion-Resistant Nanocoatings Based on Metal Carbides and Nitrides

机译:基于金属碳化物和氮化物的抗离子等离子侵蚀的纳米涂层

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摘要

The erosion, corrosion, and heat resistance of alloy/ion-plasma nanolayer coating compositions based on TiC and CrC carbides and TiN, CrN, ZrN, and AlN nitrides are studied. The effect of the nanolayer thickness, composition, and structure of the coatings based on the metal nitrides and carbides on the relative erosion resistance of alloy/coating compositions in a gas-abrasive quartz sand flux is studied at a sand grain size of 300-350 ìm, abrasive supply rate of 200 g/min, and an angle of flux incidence of 20° (tangential flow) and 70° (near-head-on attack flow). It is shown that high erosion resistance is characteristic of 15-22 ìm thick coatings that are produced by assisted deposition and consist of alternating TiN (70 nm) and CrN (70 nm) layers on a VT1-0 titanium alloy or TiC (70 nm) and CrC (70 nm) layers on an EP866 compressor steel.
机译:研究了基于TiC和CrC碳化物以及TiN,CrN,ZrN和AlN氮化物的合金/离子等离子纳米层涂料组合物的腐蚀,腐蚀和耐热性。在砂粒尺寸为300-350的条件下,研究了基于金属氮化物和碳化物的涂层的纳米层厚度,组成和结构对气体/磨料石英砂通量中合金/涂层成分的相对耐蚀性的影响。 ìm,磨料供应速度为200 g / min,通量入射角为20°(切向流)和70°(近头冲击流)。结果表明,高耐蚀性是15-22μm厚涂层的特征,该涂层是通过辅助沉积产生的,并且由VT1-0钛合金或TiC(70 nm)上的交替TiN(70 nm)和CrN(70 nm)层组成)和CrC(70 nm)层在EP866压缩机钢上。

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