Microstructural, Wettability, and Cavitation Erosion Behavior of HVOF Sprayed VC+75%CuNi-Cr Coating on SS316 Steel

Vikrant Singh; Anuj Bansal; Anil Kumar Singla; Vijay Kumar; Ranbir Singh Rooprai; Rampal Sharma

doi:10.1007/978-981-96-5856-5_10

Microstructural, Wettability, and Cavitation Erosion Behavior of HVOF Sprayed VC+75%CuNi-Cr Coating on SS316 Steel

Vikrant Singh^*
, Anuj Bansal
, Anil Kumar Singla
, Vijay Kumar
, Ranbir Singh Rooprai
, Rampal Sharma

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

Vanadium carbide (VC) is a notable hard material that has yet to be thoroughly investigated as a coating solution for hydromachinery components, particularly to combat cavitation erosion. This study explores the deposition of VC, combined with a 75 wt.% binder of CuNi-Cr, onto SS316 steel through the High-Velocity Oxygen Fuel (HVOF) spraying technique. The cavitation erosion resistance of the VC-based coating was evaluated and compared to that of uncoated SS316 steel. Tests were performed under different impingement parameters, including variations in jet velocity (m/s) and stand-off distance (cm). The microstructure, microhardness, and surface roughness of the coatings were analyzed to establish a relationship with the erosion performance. Micrographs revealed a dense and well-formed microstructure in the HVOF-sprayed VC + 75C coating. The VC-based coating exhibited exceptional durability, showing a substantial reduction in cavitation erosion when compared to the uncoated SS316 steel, which can be attributed to the coating's higher microhardness and its ability to absorb impact through a cushioning effect. Unlike the extensive, overlapping pits found on SS316 steel, the VC-based coating displayed isolated, smaller pits, further demonstrating its superior resistance to erosion.

Original language	English
Title of host publication	Springer Proceedings in Materials
Publisher	Springer
Pages	133-144
Number of pages	12
DOIs	https://doi.org/10.1007/978-981-96-5856-5_10
State	Published - 2025
Externally published	Yes

Publication series

Name	Springer Proceedings in Materials
Volume	73
ISSN (Print)	2662-3161
ISSN (Electronic)	2662-317X

Bibliographical note

Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

Keywords

HVOF
Hydromachinery
SS316
VC+75C

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Renewable Energy, Sustainability and the Environment
Metals and Alloys

Access to Document

10.1007/978-981-96-5856-5_10

Cite this

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title = "Microstructural, Wettability, and Cavitation Erosion Behavior of HVOF Sprayed VC+75\%CuNi-Cr Coating on SS316 Steel",

abstract = "Vanadium carbide (VC) is a notable hard material that has yet to be thoroughly investigated as a coating solution for hydromachinery components, particularly to combat cavitation erosion. This study explores the deposition of VC, combined with a 75 wt.\% binder of CuNi-Cr, onto SS316 steel through the High-Velocity Oxygen Fuel (HVOF) spraying technique. The cavitation erosion resistance of the VC-based coating was evaluated and compared to that of uncoated SS316 steel. Tests were performed under different impingement parameters, including variations in jet velocity (m/s) and stand-off distance (cm). The microstructure, microhardness, and surface roughness of the coatings were analyzed to establish a relationship with the erosion performance. Micrographs revealed a dense and well-formed microstructure in the HVOF-sprayed VC + 75C coating. The VC-based coating exhibited exceptional durability, showing a substantial reduction in cavitation erosion when compared to the uncoated SS316 steel, which can be attributed to the coating's higher microhardness and its ability to absorb impact through a cushioning effect. Unlike the extensive, overlapping pits found on SS316 steel, the VC-based coating displayed isolated, smaller pits, further demonstrating its superior resistance to erosion.",

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author = "Vikrant Singh and Anuj Bansal and Singla, \{Anil Kumar\} and Vijay Kumar and Rooprai, \{Ranbir Singh\} and Rampal Sharma",

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Microstructural, Wettability, and Cavitation Erosion Behavior of HVOF Sprayed VC+75%CuNi-Cr Coating on SS316 Steel. / Singh, Vikrant; Bansal, Anuj; Singla, Anil Kumar et al.
Springer Proceedings in Materials. Springer, 2025. p. 133-144 (Springer Proceedings in Materials; Vol. 73).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

TY - CHAP

T1 - Microstructural, Wettability, and Cavitation Erosion Behavior of HVOF Sprayed VC+75%CuNi-Cr Coating on SS316 Steel

AU - Singh, Vikrant

AU - Bansal, Anuj

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AU - Kumar, Vijay

AU - Rooprai, Ranbir Singh

AU - Sharma, Rampal

PY - 2025

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AB - Vanadium carbide (VC) is a notable hard material that has yet to be thoroughly investigated as a coating solution for hydromachinery components, particularly to combat cavitation erosion. This study explores the deposition of VC, combined with a 75 wt.% binder of CuNi-Cr, onto SS316 steel through the High-Velocity Oxygen Fuel (HVOF) spraying technique. The cavitation erosion resistance of the VC-based coating was evaluated and compared to that of uncoated SS316 steel. Tests were performed under different impingement parameters, including variations in jet velocity (m/s) and stand-off distance (cm). The microstructure, microhardness, and surface roughness of the coatings were analyzed to establish a relationship with the erosion performance. Micrographs revealed a dense and well-formed microstructure in the HVOF-sprayed VC + 75C coating. The VC-based coating exhibited exceptional durability, showing a substantial reduction in cavitation erosion when compared to the uncoated SS316 steel, which can be attributed to the coating's higher microhardness and its ability to absorb impact through a cushioning effect. Unlike the extensive, overlapping pits found on SS316 steel, the VC-based coating displayed isolated, smaller pits, further demonstrating its superior resistance to erosion.

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Microstructural, Wettability, and Cavitation Erosion Behavior of HVOF Sprayed VC+75%CuNi-Cr Coating on SS316 Steel

Abstract

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Bibliographical note

Keywords

ASJC Scopus subject areas

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