Investigation of the Effects of Various Heat Treatment Processes on Microstructure & Hardness with Respect to Corrosion Behavior for Carbon Steels
Khushal Khera1, Anmol Bhatia2, Sanjay Kumar3, Mehul Bhatia4
1Khushal Khera, Department of Mechanical Engineering, Echelon Institute of Technology, Faridabad, India.
2Anmol Bhatia, Department of Mechanical Engineering, ITM University, Gurgaon, India.
3Sanjay Kumar, Department of Mechanical Engineering Echelon Institute of Technology, Faridabad, India.
4Mehul Bhatia, Department of Mechanical Engineering, Manav Rachna International University, Faridabad, India.
Manuscript received on July 21, 2014. | Revised Manuscript received on August 14, 2014. | Manuscript published on August 30, 2014. | PP: 72-75  | Volume-3 Issue-6, August 2014.  | Retrieval Number:  F3313083614/2013©BEIESP

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Abstract: In this paper, the effect of heat treatments on microstructure and mechanical properties of EN -31 and EN-8 carbon steel are being studied. Further both the carbon steels are compared on the basis of their mechanical properties as well as the rate of corrosion, then the hardness of both the carbon steel are noted before and after the heat treatment processes. The heat treatment processes i.e. Annealing, Tempering & Oil quenching (hardening) are done. The hardening temperature for EN-31 varies from 8200C – 8600C whereas the hardening temperature for EN-8 varies from 7500C – 9000 C. The mechanical properties such as the hardness and tensile strength among three process, the oil quenching sample posses highest hardness and the annealed sample posses highest elongation. That is how heat treatment plays an important role in the mechanical properties and corrosion resistance of the experimental steel.
Keywords: EN-31, EN-8, Heat treatment, Microstructure, Mechanical properties.