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Title: Mechanism of in-situ formation of TiC particle reinforced Ti-based composite coating induced by laser melting
Authors: Zhang, S
Zhang, CH
Kang, YP
Wu, WT
Wang, MC
Man, HC 
Keywords: Composite coatings
In-situ synthesis
Laser cladding
Titanium alloy
Issue Date: 2001
Publisher: 中國有色金屬學報編輯部
Source: 中国有色金属学报 (Chinese journal of nonferrous metals), 2001, v. 11, no. 6, p. 1026-1030 How to cite?
Journal: 中国有色金属学报 (Chinese journal of nonferrous metals) 
Abstract: A new Ti-based composite coating reinforced with fine and dispersive TiC particles was prepared on Ti-alloy of Ti6Al4V by laser induced reaction of Cr3C2 and Ti with respecting the large difference of the thermal stability between Cr3C2 and TiC. The results show that laser induced melting is helpful for the formation of this kind of composite coating provided a suitable sets of processing parameters and the ratio of Cr3C2 to Ti are selected. The in-situ replacing reaction of Cr3C2 with Ti does surely produce a TiC/Ti composite layer containing fairy uniformly distributed fine TiC particles of sub-micrometers and with good bonding to the substrate. The microstructure of the coating can easy be controlled by varying the chemical composition of the powder mixtures pre-placed and also the processing parameters.
ISSN: 1004-0609
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