Study on Relationship Between CrC and Properties of FECCR High Chromium White Irons

The relationship between CrC and properties of FeCCr high chromium white irons was studied by calculating the valence electron structure of austenite of FeCCr high chromium white irons with the empirical electron theory of solids and molecules EET and the equilibrium phase diagram of FeCCr system. R...

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Bibliographic Details
Published in:Multidiscipline modeling in materials and structures 2006-04, Vol.2 (4), p.411-418
Main Authors: Zhiping, Sun, Baoluo, Shen, Jun, Wang, Haohuai, Liu, Hongshan, Yang
Format: Article
Language:English
Subjects:
Alloying austenite
Composition design
High chromium white iron
Valence electron structure
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Summary:The relationship between CrC and properties of FeCCr high chromium white irons was studied by calculating the valence electron structure of austenite of FeCCr high chromium white irons with the empirical electron theory of solids and molecules EET and the equilibrium phase diagram of FeCCr system. Results show that the CCr bond is the strongest bond of all bonds in alloying austenite in FeCCr high chromium white irons of industrial application and, thereby, causes partial aggregation of CCr atomic groups. The weight of partial aggregation of CCr atomic groups would be increased greatly and more austenite would be reserved to room temperature when Cr>6. The FeCCr high chromium white irons achieve best mechanical property when CrC5.56.5.
ISSN:1573-6105
DOI:10.1163/157361106778554879