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Modeling Heat Transfer During Quenching Performance in Commercial Quench Tanks
Technical Paper
2006-01-2810
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Recently, a report was issued describing the use of an alternative to the commonly used thermocouple-probe assemblies for gathering time-temperature data to simulate microstructure, hardness and residual stresses of large castings of crack-sensitive steel alloys. This process involves the measurement of the increase of the water temperature in the quenching tank as a function of time as if the quench tank were a macro-calorimeter. From this data, cooling curves may be calculated which are then used to predict microstructure and hardness. However, no details of the actual modeling process used in that work have been published to date. This paper describes the results of a laboratory study which was recently performed using a round AISI 4140 steel bar to evaluate the feasibility of using water temperature rise during a quenching to generate a cooling curve for property prediction by simulation in a manner similar to that reported earlier. In addition to this work, computational simulation of the data obtained from this study to examine residual stress and as-quenched hardness is also discussed. The potential applicability of this approached to various commercial quenching installations is also discussed.
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Authors
- Gustavo Sánchez Sarmiento - KB Engineering SRL, Florida 274 - Ofic. 35, (1005) Buenos Aires, Argentina
- Rosamel M. Muñoz Riofano2 - Universidade de São Paulo, São Carlos, SP, Brasil.
- Lauralice C.F. Canale - Universidade de São Paulo, São Carlos, SP, Brasil
- Rafael Agnelli Mesquita - Villares Metals S. A. - Grupo Sidenor, Sumará, SP, Brasil
- George E. Totten - Associação Instituto Internacional de Pesquisa, São Carlos, SP, Brasil Portland State University, Portland, OR, USA
Citation
Sarmiento, G., Riofano2, R., Canale, L., Mesquita, R. et al., "Modeling Heat Transfer During Quenching Performance in Commercial Quench Tanks," SAE Technical Paper 2006-01-2810, 2006, https://doi.org/10.4271/2006-01-2810.Also In
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