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Latin American applied research
versión impresa ISSN 0327-0793
Resumen
SANCHEZ SARMIENTO, G.; GASTON, A. y TOTTEN, G.. Computational modeling of heat treating processes by use fo HT-MOD and ABAQUS. Lat. Am. appl. res. [online]. 2011, vol.41, n.3, pp.217-224. ISSN 0327-0793.
This paper presents an overview of mathematical approaches for modeling heat treating process, mainly concerned by coupling heat conduction with phase transformation, prediction of microstructure and material hardness, as well as estimation of heat transfer coefficients. The program HT-mod developed by the authors is briefly described. An analysis of distortions and residual stresses by a combination of HT-mod and ABAQUS Software is outlined. The performance of vegetable oils (castor, soybean and mineral oil) as quenchants are summarized as an application example. Comparison between measured and predicted hardness and microstructure of AISI 4140 bars is provided for validation of the methodology proposed for modeling heat treating processes. On average, good agreement was obtained
Palabras clave : Heat Treatment; Steels; Numerical Simulation; Microstructure; Optimization.