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Representation of Reaction Ability for Structural Units in Fe-Al Binary Melts
Alternative TitleISIJ Int.
Li, P. C.; Zhang, J. L.
2014
Source PublicationIsij International
Volume54Issue:6Pages:1185-1194
AbstractA thermodynamic model for calculating the mass action concentrations of structural units in Fe-Al binary melts based on the atom-molecule coexistence theory, i.e., AMCT-N-i model, has been developed and verified through comparing with the reported activities of both Al and Fe in Fe-Al binary melts in a temperature from 1 573 K to 1 873 K by different researchers. The calculated mass action concentration N-Al of Al or N-Fe of Fe can be applied to ideally substitute the measured activity a(R, Al) of Al or a(R, Fe) of Fe relative to pure liquid AI(I) or Fe(I) as standard state in Fe-Al binary melts. The following equations were derived for the activity coefficient of Al in natural logarithmic form In gamma(Al) and the calculated activity coefficient of Fe in natural logarithmic form In gamma(Fe) in the temperature range from 1 573 K to 1 873 K. In gamma(Al)= -3.810+4.476x(Al) 0 < x(Al) <= 0.005, T = 1573 K In gamma(Al)= -3.397+4.248x(Al) 0 < x(Al) <= 0.005, T = 1673 K In gamma(Al)= -3.056+4.011x(Al) 0 < x(Al) <= 0.005, T = 1773 K In gamma(Al)= -2.537+3.599x(Al) 0 < x(Al) <= 0.005, T = 1873 K In gamma(Fe)= -3.837+6.701x(Fe) 0 < x(Fe) <= 0.005, T = 1573 K In gamma(Fe)= -3.753+7.627x(Fe) 0 < x(Fe) <= 0.005, T = 1673 K In gamma(Fe)= -3.701+8.066x(Fe) 0 < x(Fe) <= 0.005, T = 1773 K In gamma(Fe)= -3.686+8.176x(Fe) 0 < x(Fe) <= 0.005, T = 1873 K Temperature dependences of the activity coefficient of Al in natural logarithmic form In gamma(0)(Al), and the calculated activity coefficient of Fe in natural logarithmic form In gamma(0)(Fe) were given
KeywordFe-al Binary Melts Activity Of Aluminum Activity Of Iron Mass Action Concentration Reaction Ability Thermodynamic Model Structural Units Atom And Molecule Coexistence Theory (Amct) Molecule Coexistence Theory Cao-sio2-mgo-al2o3 Ironmaking Slags Quasi-chemical Model Metal-sulfur Systems Thermodynamic Properties Phase-relationships Liquid Alloys Iron-aluminum Ion
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Indexed BySCI
Language英语
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/10925
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Li, P. C.,Zhang, J. L.. Representation of Reaction Ability for Structural Units in Fe-Al Binary Melts[J]. Isij International,2014,54(6):1185-1194.
APA Li, P. C.,&Zhang, J. L..(2014).Representation of Reaction Ability for Structural Units in Fe-Al Binary Melts.Isij International,54(6),1185-1194.
MLA Li, P. C.,et al."Representation of Reaction Ability for Structural Units in Fe-Al Binary Melts".Isij International 54.6(2014):1185-1194.
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