An algorithm for modelling microstructural development in weld heat-affected zones (part a) reaction kinetics |
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| Affiliation: | 1. College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China;2. Department of Materials Engineering, KU Leuven, Ghent Technology Campus, Ghent, Belgium |
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| Abstract: | A computer algorithm originally developed for predicting the hardenability of low alloy steels has been adapted to forecast the microstructural development in weld heat-affected zones (HAZ). This algorithm simulates the kinetics of the decomposition of austenite to its various daughter products. When combined with a suitable model of the heat transfer in weld HAZ's, it provides a useful tool to predict the resultant microstructure. Thus, it allows one to optimize welding process parameters to achieve the best microstructure possible. |
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