Properties of Laser Cladded Ceramic Composite Coating on Plastic Mould
LUO Fang1,2， CHEN Zhi-jun2， LOU Cheng-hua2， CHAI Guo-zhong2
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(1.College of Zhijiang，Zhejiang University of Technology，Hangzhou 310024，Zhejiang，China；2.College of Mechanical Engineering，Zhejiang University of Technology，Hangzhou 310024，Zhejiang，China）
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History+
Received
Revised
Published
2009-08-20
2009-08-20
2010-07-31
Issue Date
2014-05-04
Abstract
In order to improve the micro-hardness and wear resistance of clad layer, the ceramic composite of amorphous nano Al2O3，WC，TiC is pre-placed on P20 base metal and then treated by a CO2 laser. The microstructure, micro-hardness and the wear resistance of the laser cladding composite layer were studied respectively. The results show that the elements of the base and clad layer diffuse and react each other, which lead to the formation of hard phases of WC, Al2O3 and FeSi in clad layer with great hardness and good wear resistance. The worn surface of the clad layer has the fine scratches on it, which appears a grain abrasion.
LUO Fang， CHEN Zhi-jun， LOU Cheng-hua， CHAI Guo-zhong.
Properties of Laser Cladded Ceramic Composite Coating on Plastic Mould. Acta Armamentarii. 2010, 31(7): 933-938 https://doi.org/10.3969/j.issn.1000-1093.2010.07.011
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