The Optimization of Chemical Composition and Heat Treatment Parameters for Silicon-Manganese TRIP Steel

Wang Sigen; Hua Lixian; Wang Xu

doi:10.13374/j.issn1001-053x.1994.04.005

Volume 16 Issue 4

Nov. 2021

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Wang Sigen, Hua Lixian, Wang Xu. The Optimization of Chemical Composition and Heat Treatment Parameters for Silicon-Manganese TRIP Steel[J]. Chinese Journal of Engineering, 1994, 16(4): 325-329. doi: 10.13374/j.issn1001-053x.1994.04.005

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Wang Sigen, Hua Lixian, Wang Xu. The Optimization of Chemical Composition and Heat Treatment Parameters for Silicon-Manganese TRIP Steel[J]. Chinese Journal of Engineering, 1994, 16(4): 325-329. doi: 10.13374/j.issn1001-053x.1994.04.005

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The Optimization of Chemical Composition and Heat Treatment Parameters for Silicon-Manganese TRIP Steel

doi: 10.13374/j.issn1001-053x.1994.04.005

Department of Matenal Science and Engineering, USTB, Beijing 100083, PRC

Received Date: 1993-06-19
Available Online: 2021-11-13

Abstract

Abstract

Orthogonal design and variance analysis methods have been used to optimize chemical composition and heat treatment parameters for good TRIP and combination of elongation and tensile strength in low carbon low alloy silicon-manganese steels. As a result, the optimum chemical composition and heat treatment parameters have been found, an excellent combination of elongation and tensile strength(TS ×T-EL=322.33 MPa·%) has been achieved in 0.28%C-1.62%Si-1.09%Mn steel at an isothermal holding temperature of 400℃ for 3 min after heating at 790℃ for 4 min.
- TRIP(Transformation-Induced-Plasticity),
- orthogonal design,
- variance analysis,
- retained austenite,
- Si-Mn alloys