Abstract

1. We showed the possibility of using HTTMT with a reduced austenite deformation temperature (in the range of Ac3−Ar3) for chromium-manganese-silicon steel, which increases σb and σ0.2 by comparison with higher deformation temperatures (above Ac3). The use of reduced austenite deformation temperatures in HTTMT also substantially inhibits the development of recrystallization processes. 2. The characteristics of plasticity, ductility, and resistance to brittle fracture (sensitivity to notches and cracks) show the advantage of an austenite deformation temperature of 900°C by comparison with the other temperatures investigated (1000, 820, and 780°C).

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