alexa Analysis of Mechanical Behavior and Microstructural Cha
ISSN: 2169-0022

Journal of Material Sciences & Engineering
Open Access

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Research Article

Analysis of Mechanical Behavior and Microstructural Characteristics Change of ASTM A-36 Steel Applying Various Heat Treatment

Hasan MF*

Department of Industrial Engineering and Management, Khulna University of Engineering and Technology, Khulna-9203, Bangladesh

*Corresponding Author:
Hasan MF
Department of Industrial Engineering and Management
Khulna University of Engineering and Technology
Khulna-9203, Bangladesh
Tel: 8801611555554
E-mail: [email protected]

Received Date: May 09, 2015; Accepted Date: January 21, 2016; Published Date: January 31, 2016

Citation: Hasan MF (2016) Analysis of Mechanical Behavior and Microstructural Characteristics Change of ASTM A-36 Steel Applying Various Heat Treatment. J Material Sci Eng 5:227. doi:10.4172/2169-0022.1000227

Copyright: © 2016 Hasan MF. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



In this study ASTM A-36 (mild steel) is selected as specimen for testing various mechanical properties and microstructure change. The effects of heat treatment on the mechanical properties and microstructure characteristics change of selected specimen are analyzed. Annealing, hardening and tempering are the most important heat treatment processes often used to change mechanical properties of engineering materials. The purpose of heat treating is to analyze the mechanical properties of the steel, usually ductility, hardness, Yield strength, tensile strength and impact resistance. The heat treatment develops hardness, softness, and improves the mechanical properties such as tensile strength, yield strength, ductility, corrosion resistance and creep rupture. These processes also help to improve machining effect, and make them versatile. The mechanical properties can easily be modified by heat treating to suit a particular design purpose. In the present study, selected samples are heat-treated at certain temperature above the austenitic region and quenched in order to investigate the effect on the mechanical properties microstructure of the mild steel. The changes in mechanical behavior and microstructure as compared with unquenched samples are explained in terms of changes in tensile strength. Results showed that the mechanical properties of mild steel can be changed and improved by various heat treatments for a particular application.


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