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Strengthening from Cu Addition in 0.2C-(1-2)Mn Steels during Tempering

COMTES FHT a.s., Prumyslova 995, 334 41 Dobrany, Czech Republic
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Materials 2019, 12(2), 247; https://doi.org/10.3390/ma12020247
Received: 7 November 2018 / Revised: 7 January 2019 / Accepted: 9 January 2019 / Published: 13 January 2019
The strengthening effects of Cu and Mn were studied in steels, which contained 0.2% C and were micro-alloyed with B and Ti. The experimental steels were austenitized and quenched in order to take Mn and Cu into solid solution. The subsequent tempering of martensitic structures resulted in higher strengths in the materials alloyed with Cu than in the steel without Cu addition. Tensile testing and metallographic analyses were performed. The kinetics and magnitude of precipitation strengthening were measured for different tempering temperatures and times. Presumed synergistic effects between Cu precipitation strengthening and higher levels of Mn were observed. View Full-Text
Keywords: low carbon steel; copper precipitation; manganese; precipitation strengthening low carbon steel; copper precipitation; manganese; precipitation strengthening
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Dlouhy, J.; Podany, P.; Dzugan, J. Strengthening from Cu Addition in 0.2C-(1-2)Mn Steels during Tempering. Materials 2019, 12, 247.

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