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Erosion tribo-performance of HVOF deposited Stellite-6 and Colmonoy-88 micron layers on SS-316L
Tribology International ( IF 3.517 ) Pub Date : 2018-06-25 , DOI: 10.1016/j.triboint.2018.06.004
Jashanpreet Singh; Satish Kumar; S.K. Mohapatra

The present study deals with the analysis of erosion tribo-performance of Stellite-6 and Colmonoy-88 micron layers deposited on stainless steel 316 L by using high-velocity oxygen–fuel (HVOF) process. The average roughness of Stellite-6 and Colmonoy-88 deposited SS-316 L was measured as 5.69 and 6.67 μm respectively. The crack toughness of Stellite-6 and Colmonoy-88 deposited surface was evaluated as 19.8 ± 0.56 and 30.1 ± 0.29 MPa m1/2 respectively. Erosion wear experiments were performed by using a Ducom slurry pot tester at different process parameters. Results show that the relative erosion wear of SS-316 L and Stellite-6 was observed maximum at 30° impact angle whereas relative erosion of Colmonoy-88 was found maximum at 60°. Microhardness of SS-316 L was improved about 2.5–3.2 times with deposition of Stellite-6 and Colmonoy-88.
更新日期:2020-03-06

 

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