4.6 Article

Effects of Hot Band Annealing on the Mechanical Properties of Cold-Rolled and Intercritically Annealed Medium Manganese Steels

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SPRINGER
DOI: 10.1007/s11661-019-05363-1

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  1. Advanced Steel Processing and Products Research Center at the Colorado School of Mines
  2. Department of Energy National Energy Technology Laboratory [DE-EE0005976]

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The effects of intercritical annealing, before and after cold rolling, on retained austenite volume fractions, austenite stability, and tensile properties of a 7.39Mn-0.14C-1.55Al-0.2Si (wt pct) medium Mn sheet steel were evaluated. The extent of hot band annealing at 650 degrees C prior to cold rolling is shown to be an important parameter to consider in the development of processing histories leading to high strength-ductility combinations required for third-generation advanced high-strength steels.

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