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Due to cost effective processing, micro-alloyed (MA) steels with ferrite-pearlite microstructures are increasingly used in automotive applications in place of quenched and tempered (Q&T) steels, but the toughness of MA steels is inferior to that of Q&T steels. To improve toughness, forging is followed by a two step cooling (TSC) and a subsequent annealing. In this exploratory investigation...
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