Abstract
With the development of quench technology, there is a trend of using gas quench to replace liquid quench for less distortion and residual stress. The fundamental difference between the liquid and gas quench is the heat transfer coefficient, not only the values but also the shape of the curve as a function of temperature. The equivalent heat transfer coefficient for the liquid and gas quench is analyzed by simulations and experiments. Even it may result in the same hardness in the liquid and gas quench, the steel microstructure may be different because of the different cooling processes, and therefore other steel properties, such as toughness, may be different. The cooling process, microstructures and properties such as hardness and toughness should be examined when designing the liquid or gas quench processes.
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Lu, Y., Rong, Y., Sisson, R.D. (2015). Equivalency Comparison of Heat Transfer Coefficient in Liquid and Gas Quenches. In: Yurko, J.A., et al. EPD Congress 2015. Springer, Cham. https://doi.org/10.1007/978-3-319-48214-9_9
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DOI: https://doi.org/10.1007/978-3-319-48214-9_9
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48609-3
Online ISBN: 978-3-319-48214-9
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