Microstructural and Mechanical Characterization of a Cold-Sprayed WC-12Co Composite Coating on Stainless Steel Hydroturbine Blades

被引：8

作者：

Singh, Harvinder ^{[1
,2
]}

Kumar, Manoj ^{[1
]}

Singh, Rajdeep ^{[2
]}

机构：

[1] Chandigarh Univ, Dept Mech Engn, Gharuan, Punjab, India

[2] Chandigarh Grp Coll, Dept Mech Engn, Mohali, Punjab, India

来源：

JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2023年 / 32卷 / 04期

关键词：

13Cr4Ni steel; cold spray; hydroturbine Blade; SEM; WC-12Co; XRD; ABRASIVE WEAR BEHAVIOR; FRACTURE-TOUGHNESS; EROSION; PARTICLE; SIZE; NANOCOMPOSITE; PERFORMANCE; DEPOSITION; RESISTANCE; HARDNESS;

D O I：

10.1007/s11666-022-01497-8

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This study deals with WC-12Co coatings deposited by cold spraying on 13Cr4Ni steel hydraulic turbine blades. The coatings were deposited under different pressure conditions such as 25, 30, 40 bar at 800 degrees C, and 50 bar at 900 degrees C. The microstructural evolution under different pressure conditions and the effect of temperature variation were investigated using a scanning electron microscope (SEM) equipped with energy-dispersive x-ray spectroscopy (EDS) and x-ray diffraction analysis (XRD). In addition, the microhardness analysis of the coatings showed that the WC-12Co coating deposited at 40 bar 800 degrees C had the highest (270 HV) hardness which was a good attribute for anti-wear applications in hydraulic turbine blades according to most tribological theories.

引用

页码：970 / 983

页数：14

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