Preparation and Properties of Composite Nanoceramic NiCrBSi-TiO2/WC(Co) Coatings

被引：7
|
作者：
Wang, Xinsheng [1 ,2 ]
Xing, Zhiguo [3 ]
机构：
[1] Zhengzhou Univ Light Ind, Sch Mech & Elect Engn, Henan Prov Key Lab Intelligent Mfg Mech Equipment, Zhengzhou 430002, Peoples R China
[2] Henan Engn Res Ctr New Energy Vehicle Light Weigh, Zhengzhou 430002, Peoples R China
[3] Acad Armored Forces Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China
来源：
COATINGS | 2020年 / 10卷 / 09期
基金：
美国国家科学基金会;
关键词：
SPS; nanoceramic coatings; microstructure; corrosion resistance; TRIBOLOGICAL BEHAVIOR; MECHANICAL-PROPERTIES; CORROSION-RESISTANCE; WEAR BEHAVIOR; MICROSTRUCTURE; PARTICLES; WC-12CO;
D O I：
10.3390/coatings10090868
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Using the supersonic plasma spraying (SPS) technique, the preparation of a NiCrBSi (Ni60) coating was achieved by adding nano TiO(2)in Ni60 coating with WC ceramic particles. Ni60-TiO2(Ni60T) and Ni60-TiO2/WC coating (Ni60TW) were successfully prepared. Results show that of the three, Ni60T had the best densification, the porosity of the Ni60T coating exhibited the best value of 1.3%, and also has a stronger hardness value of 890 HV. At the same time, the coating corrosion resistance, wear coefficient, and the wear morphology of Ni60T are superior to Ni60 and Ni60TW coatings. It is added TiO(2)and ceramic WC(Co) in Ni-based spraying powder. The main purpose is for the nanoparticles to achieve the effect of refining the grain, which can greatly improve the coating's hardness and toughness.
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页数：11
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