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COMPOSITES THEORY AND PRACTICE

formerly: KOMPOZYTY (COMPOSITES)

The influence of plasma spraying parameters on structure and properties of Stellite 31-Cr3C2 composite coating

Tadeusz Kubaszek, Barbara Kościelniak, Marek Góral, Kacper Hładun, Kamila Świerk

Quarterly No. 3, 2024 pages 181-187

DOI: https://doi.org/10.62753/ctp.2024.03.3.3

keywords: Stellite, plasma spray, Cr3C2, hardness, wear resistance, erosion

article version pdf (2.00MB)

abstract This paper presents the results of a study on the influence of the plasma spraying parameters of a Stellite 31-Cr2C3 composite powder containing 30 wt% carbide. The torch current and hydrogen flow rate were taken as variables that affect the energy of the plasma plume. The thickness, porosity and chemical composition of the coating were investigated. Erosion and wear resistance tests in addition to hardness measurements were also carried out. No clear relationships between the spray parameters and the coating properties were found during the study. The coating had a thickness of 200-300 m, a porosity of 7-12 vol.% and a hardness of approx. 300 HV02.

Wykonanie: www.ip7.pl