DEPOSITION BEHAVIOR OF WC-17Co COLD-SPRAYED COMPOSITE COATING ON HYDRO TURBINE STEELS

被引：1
|
作者：
Singh, Harvinder [1 ]
Kumar, Manoj [2 ]
Singh, Rajdeep [1 ]
Kumar, Santosh [1 ]
机构：
[1] Chandigarh Grp Coll, Dept Mech Engn, Mohali, Punjab, India
[2] Chandigarh Univ, Dept Mech Engn, Gharuan, Mohali, Punjab, India
来源：
SURFACE REVIEW AND LETTERS | 2024年
关键词：
Microstructure; corrosion; adhesion; cold spray process; hydroturbine steel; wear and tribology; WC-CO; WEAR-RESISTANCE; PARTICLE; EROSION; CORROSION;
D O I：
10.1142/S0218625X25500209
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cold spraying is a promising technique for depositing wear-resistant coatings on components like hydroturbine steels. This paper highlights the feasibility of hard WC-17Co coating on 13Cr4Ni hydroturbine steel. The coating was deposited at 25, 30, and 40 bar at 800 degrees C and 50 bar at 900 degrees C. Further, different characterization techniques (SEM, XRD) were used to analyze the developed coatings. The Vicker hardness testing was employed to determine the hardness of the coated sample. It was observed that WC-17Co coatings deposited at 40 bar and 800 degrees C offered a maximum hardness of up to 275 Hv, which is an excellent quality for anti-wear applications in hydro turbine blades.
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页数：10
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