scholarly journals Influence of Carbide Content on the Adhesion and Microscopic Hardness of Plasma Spray Cr3C2-NiCr Coating on 16Mn Steel

2019 ◽  
Vol 7 (3) ◽  
pp. 25-31
Author(s):  
Dang Xuan Thao ◽  
Hoang Van Got ◽  
Nguyen Huu Phan ◽  
Pham Duc Cuong
Author(s):  
Pham Duc Cuong ◽  
Dang Xuan Thao

The life time and quality of thermal spray coatings are strongly influenced by the technological parameters of the coating process and characteristics of the coated surface. In this paper, 16Mn steel substrates of different surface roughness are coated by Cr3C2-NiCr using a plasma spray technique. The adhesion of the coating to the substrate has been studied in relation to the roughness of the substrate and the plasma current of the spraying process. The results showed that the adhesion of the Cr3C2-NiCr coating to 16Mn steel substrate is strongly influenced by the roughness and the current intensity. The range of substrate surface roughness and current intensity at which the Cr3C2-NiCr exhibited high adhesion to the steel substrate are discussed in this paper.


2010 ◽  
Vol 52 (4) ◽  
pp. 252-256 ◽  
Author(s):  
Serkan Özel ◽  
Hüseyin Turhan

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