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A New Process for Preparing Fine-ceramic-containing Composite Coatings-Flame Spray Synthesis

机译:制备含微晶复合涂料的新工艺-火焰喷涂合成

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摘要

Flame spray synthesis (FSS), a combination of the flame spray technology and Self-propagation High-temperature Synthesis (SHS) was developed for preparing fine-ceramic-containing composite coatings. It can simplify the preparations of powder to synthesize and deposit the desired materials in one step. The preliminary results obtained from TiC-Fe cement coatings by FSS process are reported. The peculiar microstructure of the coatings, which contains very fine (<1μm) and round TiC and alternate TiC-rich (Hv= 11-13 GPa) and TiC-poor layers (Hv=3.0-6.0 GPa), is expected to play an important role in their tribological properties.
机译:火焰喷涂合成(FSS)是火焰喷涂技术和自蔓延高温合成(SHS)的结合,用于制备含微晶的复合涂层。它可以简化粉末的制备,以一步合成和沉积所需的材料。报道了通过FSS工艺从TiC-Fe水泥涂料中获得的初步结果。预期涂层的特殊微观结构,包括非常细的(<1μm)和圆形的TiC以及交替的富含TiC的涂层(Hv = 11-13 GPa)和贫TiC的涂层(Hv = 3.0-6.0 GPa),在其摩擦学特性中起重要作用。

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