Optimization of Heat Treatment in Manganese Steel by Taguchi Method

Abstract:

Manganese steels have extensively application in industries due to good resistance to wear, high work hardening capability with high toughness and ductility. Heat treatment is the main process to obtain desired mechanical properties and microstructure in this steel. The austenitizing temperature, the austenitizing time and the rate of quenching are the main factors in heat treatment. In this research, Taguchi analysis was used to determine optimal heat treatment for minimizing grain boundary carbide content with optimum hardness. Experimental variable chosen for this study included austenitizing temperature and time and the rate of quenching. In the optimization by Taguchi approach, L9(3)3 array, employing nine experiments, with three levels for each factor, was chosen for DOE. The austeitizing temperature and the cooling rate by changing in quenched solution were seen to have greatest influence on hardness of these steels.

• Periodical: Applied Mechanics and Materials (Volume 598)
• Pages: 43-46
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.598.43
• Online since: July 2014
• Authors: Mohammad Bagher Limooei*, Shabnam Hosseini
• Keywords: Austenitizing Temperature, Austenitizing Time, Hardness, Manganese Steel (Hadfield), Quenching Solution, Taguchi Analysis

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