Comparative Study of Effect of Cryogenics Heat Treatment and Case Hardening on the Wear Property of 20MnCr5

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This research is limited to study of wear resistance of 20MnCr5 (SAE 5120) alloy steel hardened by Carburizing and Cryogenics, which has wide application in industries like gears, shafts, bearings, pins etc. Cryogenics is used as a supplement treatment that is performed after carburizing. The abrasive wear study is performed on pin-on-disc tribotester. The counterface disc was kept same for both the heat treatments (carburizing and cryogenics). Sliding velocity of 0.8 m/s, 1.6 m/s, 2.4 m/s, Sliding Distance of 1200 m, 1400 m, 1600 m and Load of 3 kg, 4 kg and 5 kg were used to evaluate the wear resistance.

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435-439

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October 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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