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Published on: April 7, 2021
Strengthening from Cu Addition in 0.2C-(1-2)Mn Steels during Tempering
Jaromir Dlouhy1, Pavel Podany2, Jan Dzugan1
1COMTES FHT a.s., Prumyslova 995, 334 41 Dobrany, Czech Republic. jan.dzugan@comtesfht.cz.
Abstract:
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.
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