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Analysis of Mechanical Properties of En19 Steel and En41b Steel Used In Diesel Engine Camshaft

Author : N.V Diwakar, C. Bhagyanathan and J. David Rathnaraj

Pages : 162-167, DOI:http://Dx.Doi.Org/10.14741/Ijcet/Spl.2.2014.29
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Camshaft is one of the key parts or components in the engines of automobile and other vehicles. Due to the cyclic impact loading on the contacting surfaces of the cam and the follower, it often gives rise to premature wear of cam profile and affects a routine run of the valve gear such as the rotational speed, valve displacement and the torque. The objective of this work was to study experimentally the residual stresses at the surface layer of induction hardened cylindrical specimens. The diesel engine camshafts are generally made by EN19 Steel material. However, EN19 steel material has low wear resistance and its service life is shorter. ReplacingEN19 steel with EN41B steel. The results obtained from hardness test indicated that the hardness of the Nitride steel EN 41B is 31% higher than EN19 Steel before induction hardening and the hardness of the Nitride steel EN41B is 45% higher than EN19 steel after induction hardening. Impact test indicated that the toughness of Nitride steel EN41B is 38% higher than EN19 steel.

Keywords: ANSYS, Induction Hardening, Pro/E model, Impact Test, Hardness Test.

Article published in International Conference on Advances in Mechanical Sciences 2014, Special Issue-2 (Feb 2014)





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