Performance analysis of heat treated AISI 1020 steel samples on the basis of various destructive mechanical testing and microstructural behaviour

ABSTRACT

The present work deals with assessment of heat treated AISI 1020, a low carbon steel (0.2%-C), on the basis of various destructive testing and microstructural behaviour. The steels samples were heated above the lower critical temperature range, i.e. up to 750°C. The cooling rate of all the samples was different. Mainly, three different cooling medium were taken. They are: water, air and sand. These three heat treated samples were compared with as received sample. Hence the final condition of all the four samples is: as received; normalised; sand cooled; water quenched. After a proper preparation, samples were undergone through various mechanical tests, such as, tension test, shear test, hardness test, and impact test. In addition, the microstructural images, captured by an optical microscope, of all the samples were observed and analysed. The mechanical properties and microstructural attributes obtained in ‘heat treated’ samples were compared with those results of ‘as received’ samples. From the present experimental analysis, it was found that heat treatment processes significantly changed/improved the desired properties of the AISI 1020 steel samples.

KEYWORDS:

• AISI 1020
• heat treatment
• mechanical tests
• microstructural study

Acknowledgments

The authors used basic information about heat treatment from a book entitled “Callister’s Materials Science and Engineering”. All the information, given in introduction section of this paper, are referred from the above stated book. For this purpose, authors are thankful to the writer (W. D. Callister) and publisher (John Wiley and Sons Inc. 2007) of this book.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Notes on contributors

Saurabh Dewangan

Dr. Saurabh Dewangan (PhD) is currently working as an Assistant Professor and Researcher in the Department of Mechanical Engineering, Manipal University Jaipur, India.

Neha Mainwal

Ms. Neha Mainwal is an undergraduate student (B. Tech) in the Department of Mechanical Engineering, Manipal University Jaipur, India.

Manwi Khandelwal

Ms. Manwi Khandelwalis an undergraduate student (B. Tech) in the Department of Mechanical Engineering, Manipal University Jaipur, India.

Prateek Sunil Jadhav

Mr. Prateek Sunil Jadhav is an undergraduate student (B. Tech) in the Department of Mechanical Engineering, Manipal University Jaipur, India.