Heat treatment and mechanical characterization of En8 steel

Abstract

In present study, the main emphasis has been to process the materials to obtain the balanced mechanical properties for the given application. One of the processing routes to alter the properties is heat treatment. Nearly 80% of the structural applications are related to the medium carbon unalloyed steel. The major requirement in the conventional steel is to improve workability or ductility and refining the grain structure with sustained improvement in tensile properties. In view of this, it is proposed to study the mechanical properties of EN8 unalloyed steel with and without heat treatment. So as bought (hot rolled or cold rolled) materials are subjected to conventional hardening, normalizing, and tempering treatments. These untreated &heat-treated components are subjected to hardness, tensile & metallography. A comparative study of the result is performed to verify the properties. Microstructure was studied by using Optical Microscope(OM) and Scanning Electron Microscopy (SEM). The Main purpose of this study is to find out the effect of different heat treatment processes on EN8 STEEL in different conditions and the various changes that occur in its mechanical properties, Hardness and Microstructure. This gives a wide knowledge of the effect of the various heat treatment process and the enhancement of various properties that can be achieved usingthese advanced technologies. From the present study it will be possible to understand the various aspects related to microstructure, mechanical properties of the steel and the changes that occur in the steel after subjecting to heat treatment process.