Volume 30, Issue 1 (Jun 2011)
2011, 30(1): 73-84 |
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M. Eshraghi Kakhki, A. Kermanpur, M. A. Golozar. Thermo-Microstructural Numerical Simulation of Quenching Process of Steels. Journal of Advanced Materials in Engineering (Esteghlal) 2011; 30 (1) :73-84
URL: http://jame.iut.ac.ir/article-1-522-en.html
URL: http://jame.iut.ac.ir/article-1-522-en.html
Department of Materials Engineering, Isfahan University of Technology, Isfahan, 8415683111, Iran , mohsen.eshraghi@gmail.com
Abstract: (6740 Views)
In this work, a 3D thermo-microstructural model was developed to simulate the continuous cooling of steel. The model was employed for simulation of cooling process of the gears made from a plain carbon steel (AISI 1045) and a low alloy steel (AISI 4140). Temperature-dependent heat transfer coefficients for two different quenching media were evaluated by experimental and computational methods. The effects of latent heat releases during phase transformations, temperature and phase fractions on the variation of thermo-physical properties were investigated. The present model was validated against cooling curve measurements, metallographic analysis, and hardness tests, and good agreement was found between the experimental and simulation results. This model was used to simulate the continuous cooling process and to predict the final distribution of microstructures and hardness in steel gears.
Type of Study: Research |
Subject:
General
Received: 2015/02/9 | Accepted: 2015/05/5 | Published: 2015/05/5
Received: 2015/02/9 | Accepted: 2015/05/5 | Published: 2015/05/5
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