Application on Statistical Value of Phase Structure Formation Factor to Fe-C Phase Diagram

Wei Hua Xue; Xin Ren; Zhi Yu Gao; Hai Fang Shi

doi:10.4028/www.scientific.net/AMR.299-300.246

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 299-300Application on Statistical Value of Phase...

Application on Statistical Value of Phase Structure Formation Factor to Fe-C Phase Diagram

Abstract:

Based on the empirical electron theory in solids and molecules (EET), the statistical value of phase structure formation factor (S') was calculated by using the calculation methods of statistical value of alloying valence electron structure parameters. The effects of alloying elements upon austenitic zone of Fe-C phase diagram were discussed. The results show that: 1) Mn and Ni can increase the S' value of γ-Fe and austenitic phase, which increase their stability, leading to expand the γ-zone; 2) Cr, Mo and Si can increase the S' value of ferrite and cementite, which make them easier to precipitate, leading to reduce γ-zone. The research results agree well with real situations.

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Periodical:

Advanced Materials Research (Volumes 299-300)

Pages:

246-249

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.299-300.246

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Online since:

July 2011

Authors:

Wei Hua Xue, Xin Ren, Zhi Yu Gao, Hai Fang Shi

Keywords:

Calculation, Fe-C Phase Diagram, Phase Structure Formation Factor, Statistical Value

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