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Acta Metall Sin  1996, Vol. 32 Issue (6): 561-564    DOI:
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AN ANALYSIS OF VALENCE ELECTRON STRUCTURE OF Fe-C-Mn ALLOYING AUSTENITE
ZHU Ruifu; LU Yupeng; CHEN Chuanzhong; LI Shitong; WANG Shiqing (Shandong University of Technology; Jinan 250061) ZHANG Fucheng (Yanshan University; Qinhuangdao 066004)
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ZHU Ruifu; LU Yupeng; CHEN Chuanzhong; LI Shitong; WANG Shiqing (Shandong University of Technology; Jinan 250061) ZHANG Fucheng (Yanshan University; Qinhuangdao 066004). AN ANALYSIS OF VALENCE ELECTRON STRUCTURE OF Fe-C-Mn ALLOYING AUSTENITE. Acta Metall Sin, 1996, 32(6): 561-564.

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Abstract  The valence electron structure of Fe-C-Mn alloying austenite containing 1.6% C(mass fraction) has been established by using bond length difference (BLD) method of the empirical electron theory of solids and molecules. The experimental results show that in unit cell containing C and Mn atoms, Fe~c, Fe~f and Mn atoms are on the 16th, 18th and 10th hybrid levels of B-type hybridization states respectively, and the carbon atom is on its 6th hybrid level. The simultaneous increase in C and Mn content will increase the number of the strongest C-Mn bond, thus lead to the increase in austenitic stability and work hardening capacity.
Key words:  Fe-C-Mn alloy      austenite      valence electron structure     
Received:  18 June 1996     
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