Cryogenic Hardening of EN 19 Alloy Steel
Karthik Pandiyan .G1, Prabaharan. T2

1Karthik Pandiyan .G, Assistant Professor, Department of Mechanical Engineering, Sri Vidya College of Engineering and Technology, Virudhunagar, Tamil Nadu, India
2Prabaharan. T, Senior Professor, Department of Mechanical Engineering, Mepco schlenk Engineering college, Sivakasi, Tamil Nadu, India

Manuscript received on 02 July 2019 | Revised Manuscript received on 05 July 2019 | Manuscript published on 30 August 2019 | PP: 158-161 | Volume-8 Issue-10, August 2019 | Retrieval Number: G5400058719/2019©BEIESP | DOI: 10.35940/ijitee.G5400.0881019
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: This paper includes the study of heat treatment process that we carried out on En 19 steel in cryogenic atmosphere. Cryogenic treatments of alloy steels have been significantly increase wear resistance and toughness. These investigations of warmth treatment cryogenic medicines of amalgam steels have been asserted to altogether expand wear protection and sturdiness. Cryogenic handling is a supplementary procedure to customary warmth treatment process in steels. The cryogenic treatment on apparatus materials builds the life of instruments, gear, parts and materials by boosting elasticity, sturdiness and strength. This cryogenic hardening process is an onetime treatment influencing the whole part — not only the surface. Cryogenic treatment has been broadly embraced as a cost decrease and execution upgrading innovation. Cryogenic treatment is likewise utilized as an empowering innovation, when its pressure alleviating benefits are used to allow the manufacture (or machining) of basic resistance parts. With regards to great outcomes about the use of profound cryogenic treatment (DCT) on materials, the impact on the microstructure and properties (hardness, strength and the substance of held austenite) are observed to be made strides. Cryogenic treatment has been distinguished to improve the properties of Tools steels. It is discovered that cryogenic treatment confers almost 110% change in apparatus life. 
Keywords: Cryogenic Atmosphere, Deep Cryogenic Treatment (DCT)
Scope of the Article: Deep Cryogenic