Mathematical Modeling of Carbon Content and Intercritical Annealing Temperature in DP Steels by Factorial Design Method

Gulcan TOKTAS,Alaaddin TOKTAS,Aslan Deniz KARAOGLAN

钢铁研究学报(英文版) ›› 2014, Vol. 21 ›› Issue (7) : 715-722.

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钢铁研究学报(英文版) ›› 2014, Vol. 21 ›› Issue (7) : 715-722.
Material

Mathematical Modeling of Carbon Content and Intercritical Annealing Temperature in DP Steels by Factorial Design Method

  • Gulcan TOKTAS1,Alaaddin TOKTAS1,Aslan Deniz KARAOGLAN2
作者信息 +

Mathematical Modeling of Carbon Content and Intercritical Annealing Temperature in DP Steels by Factorial Design Method

  • Gulcan TOKTAS1,Alaaddin TOKTAS1,Aslan Deniz KARAOGLAN2
Author information +
文章历史 +

摘要

2k factorial design is employed to find the mathematical relation between the carbon content and intercritical annealing temperature (IAT) in order to predict the responses namely martensite volume fraction (MVF), microhardness (H), yield strength (YS), ultimate tensile strength (UTS), total elongation (TEL), yield ratio (YR) and Charpy impact energy (CIE) in dual phase (DP) steels. Steels containing different carbon contents (0.085% C and 0.380% C) had been chosen for this purpose. The main advantages of factorial design are its easy implementation and the effective computation compared with the other optimization techniques, which were employed for predicting mentioned responses in the literature. To verify the proposed approach based on factorial design, experiments for verification were performed. The results of the verification experiments and the mathematical models are in accordance with each other and the literature.

Abstract

2k factorial design is employed to find the mathematical relation between the carbon content and intercritical annealing temperature (IAT) in order to predict the responses namely martensite volume fraction (MVF), microhardness (H), yield strength (YS), ultimate tensile strength (UTS), total elongation (TEL), yield ratio (YR) and Charpy impact energy (CIE) in dual phase (DP) steels. Steels containing different carbon contents (0.085% C and 0.380% C) had been chosen for this purpose. The main advantages of factorial design are its easy implementation and the effective computation compared with the other optimization techniques, which were employed for predicting mentioned responses in the literature. To verify the proposed approach based on factorial design, experiments for verification were performed. The results of the verification experiments and the mathematical models are in accordance with each other and the literature.

关键词

dual phase steel / factorial design / prediction

Key words

dual phase steel / factorial design / prediction

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Gülcan TOKTA?, Alaaddin TOKTA?, AslanDeniz KARAO?LAN. Mathematical Modeling of Carbon Content and Intercritical Annealing Temperature in DP Steels by Factorial Design Method[J]. 钢铁研究学报(英文版), 2014, 21(7): 715-722
Gulcan TOKTAS,Alaaddin TOKTAS,Aslan Deniz KARAOGLAN. Mathematical Modeling of Carbon Content and Intercritical Annealing Temperature in DP Steels by Factorial Design Method[J]. Journal of Iron and Steel Research International, 2014, 21(7): 715-722

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