OPTIMIZATION OF HEAT-TREATMENT PARAMETERS OF 110G13Kh2BRL STEEL USING DESIGN EXPERIMENTS METHODS
RBBXYM
DOI:
https://doi.org/10.25712/ASTU.2072-8921.2026.01.027Keywords:
heat-treatment, austenitic high-manganese steels, 110G13Kh2BRL, design of experiments method, central composite de-signs, mechanical propertiesAbstract
In the present study, design of experiments methods was used to establish the relationship between the heat-treatment parameters and the mechanical properties (impact toughness and hardness) of Hadfield steel 110G13Kh2BRL. The austenitizing temperature T and holding time τ were varied as factors, while the cooling medium — a salt solution — was kept constant. To determine the optimal heat-treatment parameters, the experiments were arranged according to a second-order orthogonal design, and multi-criteria optimization was carried out using the response surface methodology (RSM). Based on the experimental results, the following optimal values were obtained: Topt = 1039 °C and τopt = 40 min; under this regime, the impact toughness and hardness were 238.07 J/cm² (KCU) and 320 HV, respectively.
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Copyright (c) 2026 Shi H. Nguyen, Sergey .A Gavrilov, Michael A. Guryev, Sergey G. Ivanov, Alexey M. Guryev, Evgeniy A. Pysmennyi

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