Publisher: Trans Tech Publications
E-ISSN: 1662-9795|2015|651|1531-1536
ISSN: 1013-9826
Source: Key Engineering Materials, Vol.2015, Iss.651, 2015-08, pp. : 1531-1536
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Abstract
Heat treatment is one of the major sources of dimensional inaccuracy in the manufacturing of fine blanked parts. Tools and equipment often need to be iteratively corrected in order to achieve the desired quality. Numerical simulation of the heat treatment process can substantially reduce these efforts. The simulation accuracy on the other hand is strongly dependent on the accurate characterization of the thermo-mechanical boundary conditions as well as material properties. The present contribution aims to propose a novel approach in the calibration of numerical models by using a modified Jominy test as well as heat treatment experiments with parts having residual stresses from a bending process. The results are validated by comparing numerical phase content and hardness values with the corresponding experiments.
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