INFLUENCE OF DEEP-CRYOGENIC TREATMENT ON THE WEAR BEHAVIOR AND MECHANICAL PROPERTIES OF MILD STEEL

Mandeep Singh, Harpreet Singh

Abstract: Deep Cryogenic Treatment (DCT) is now extensively used as supplementary process for the achievement of specific goals in many engineering applications like manufacturing of high precision & accurate parts, press tools, welding tips, improving wear resistance etc. In the present study DCT was applied to inter critically heat treated low carbon steel to improve their mechanical properties and wear behaviour. The specimen was held for duration of 28 hours in cryogenic processor at a temperature of -193 0C followed by tempering at a temperature of 150 0C for 1 hour. A comparative study between intercritical heat treated and deep cryogenic treated specimen have been carried out to show the wear behaviour at different load and speed. Also hardness test and microstructure test have been performed. The experimental results have shown an increase in wear resistance for deep cryogenic treated samples as well as for intercritical heat treated samples.

Keywords: wear, mild steel, deep cryogenic treatment, micro hardness, impact, other manufacturing processes.

DOI: https://doi.org/10.15623/ijret.2014.0304031