EFFECT OF CARBIDE SOLVATION ON FERRITE FORMATION IN AUSTENITIC STEELS

Acta Metallurgica Sinica (English Letters) ›› 1996, Vol. 9 ›› Issue (3): 181-188.

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EFFECT OF CARBIDE SOLVATION ON FERRITE FORMATION IN AUSTENITIC STEELS

Received:1996-06-25 Revised:1996-06-25 Online:1996-06-25 Published:2009-10-10

Abstract

Abstract: The effect of carbide solvation on the γ/γ+δ boundary temperature Tδ and the equilibrium relationship between the alloying elements at the γ/γy +δ boundary in austenitic steels at high temperature have been studied, and the variation of the ferrite volume fraction with temperature in α+ γ dual phase steel has been investigated. The relative expressions are derived from many experimental results, which provides a basis for quantitative calculation, composition design, determination of the working processes,and prediction of the mechanical properties and the structure of the austenitic steels.

Key words: carbide solubility, δ-phase, austenite stability, phase equilibrium

DAI Qixun and YANG Ruzeng(Department of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang212013. China)Manuscript received 8 August 1995; in revised form 9 April 1995. EFFECT OF CARBIDE SOLVATION ON FERRITE FORMATION IN AUSTENITIC STEELS[J]. Acta Metallurgica Sinica (English Letters), 1996, 9(3): 181-188.

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EFFECT OF CARBIDE SOLVATION ON FERRITE FORMATION IN AUSTENITIC STEELS

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