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Effect of quenching techniques on the mechanical properties of low carbon structural steel

Miernik K., Bogucki R., Pytel S.

Archives of Foundry Engineering

2010

Vol. 10, iss. 3 spec.

91--96

The paper presents the results of the impact of incomplete quenching technique on the mechanical properties of low carbon structural steel. Significant influence of the heating method to the α + γ field was observed on the strength and plasticity after hardening process. The best combination of mechanical properties was obtained for the 3th technique consisting of pre-heating the material to the austenite field, next cooling to the appropriate temperature in the α + γ and hardening from that dual phase region. The high level of toughness with relatively high strength were observed, compared to the properties obtained for the two other ways to quench annealing (incomplete hardening).