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The aim of this work was to examine the new microstructural features occuring in the course of direct charging of three different steel grades and to optimize the final microstructure and mechanical properties by a modified thermomechanical treatment by employing laboratory simulation tests. The resulting properties should be comparable or even better to those after conventional cold charging. The investigations have been performed on a pearlitic steel (C60), a microalloyed NbTi-steel for cold forming, and a deep-drawable steel (LC-steel). Additionally to the demonstration of the possibility of the application of direct charging on the steels tested, the guidelines for the optimum processing schedules should also be applicable for similar steel grades.

Additional information

Authors: BRUNS H, Max-Planck-Institut fur Eisenforschung GmbH, Dusseldorf (DE);KASPAR R, Max-Planck-Institut fur Eisenforschung GmbH, Dusseldorf (DE)
Bibliographic Reference: EUR 18539 DE (1998) 125pp.
Availability: Available from OOPEC Sales agents
ISBN: ISBN 92-828-4882-5
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