Transitional Wear of Plasma Spray Cr2O3 and Cr3C2 Coatings Deposited on Low Carbon Steel
Umashanker L1, T. P. Bharathesh2, Byra Reddy B3, Saravanan R4

1R Umashanker. L*, Associate Professor, Department of Mechanical Engineering, AMC Engineering College, Bengaluru (Karnataka), India.
2T.P. Bharathesh, Dean (Academics) & Professor, Department of Mechanical Engineering, Atria Institute of Technology, Bengaluru (Karnataka), India.
3Byra Reddy B, Associate Professor, Department of Mechanical Engineering, AMC Engineering College, Bengaluru (Karnataka), India.
4Saravanan.R, Associate Professor, Department of Mechanical Engineering, AMC Engineering College, Bengaluru (Karnataka), India.
Manuscript received on February 10, 2022. | Revised Manuscript received on February 17, 2022. | Manuscript published on March 30, 2022. | PP: 1-7 | Volume-10 Issue-4, March, 2022. | Retrieval Number: 100.1/ijese.D25240310422 | DOI: 10.35940/ijese.D2524.0310422
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Abstract: In the present work, transitional wear of atmospheric plasma sprayed Cr2O3 and Cr3C2 coatings on low carbon steel substrate have been investigated with coating thickness of 100μm and 200μm. The produced coated and uncoated mild steel substrate samples were characterized by means of microscopic examinations, hardness and sliding wear tests for varying parameters of load, sliding speed, and sliding distance, SEM analysis were carried out for characterization studies of worn surface of samples. The obtained results revealed that the wear rate was much lower in Cr3C2 coated samples followed by Cr2O3 coated samples on mild steel substrate. When comparison to chromium oxide composite coatings the chromium carbide coatings showed better improved results 
Keywords: Chromium Oxide/ Carbide, Sliding wear, Atmospheric Plasma Spray, Coatings, Mild steel
Scope of the Article: Materials Engineering