ELECTRON THEORY STUDY OF ORDER-DISORDER TRANSFORMATIONS IN Fe-Al ALLOYS

Acta Metall Sin

1994, Vol. 30

Issue (5): 204-209 DOI:

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ELECTRON THEORY STUDY OF ORDER-DISORDER TRANSFORMATIONS IN Fe-Al ALLOYS

ZHANG Jianmin; ZHANG Ruilin; YU Ruihuang(S. H. YU); ZHENG Weitao;HU Anguang (Jilin University; Changchun)(Manuscript received 5 April 1993; in revised form 9 August; 1993)

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ZHANG Jianmin; ZHANG Ruilin; YU Ruihuang(S. H. YU); ZHENG Weitao;HU Anguang (Jilin University; Changchun)(Manuscript received 5 April 1993; in revised form 9 August; 1993). ELECTRON THEORY STUDY OF ORDER-DISORDER TRANSFORMATIONS IN Fe-Al ALLOYS. Acta Metall Sin, 1994, 30(5): 204-209.

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Abstract According to the bond energy formula of the empirical electron theory of solids and molecules, the mechanism of order-disorder transformations is analysed from the results of the bond energy and the bond structures of the alloys. The Fe-Al binary alloys have an order-disorder transformation which is resulted in the change of numbers of covalent electron pair on bonds. Correspondent: ZHANG Jianmin, Department of Materials Scicnce, Institute of Materiurs Science, Jilin University, Changchun 130023

Key words: Fe-Al alloys transformation bond energy

Received: 18 May 1994

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