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Critical assessment of three kinds of activity coefficients of carbon and related mixing thermodynamic functions of Fe-C binary melts based on atom-molecule coexistence theory
Yang, Xue-min1; Li, Jin-yan2; Yan, Fang-jia1; Duan, Dong-ping1; Zhang, Jian3
2018-02-01
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Volume25Issue:2Pages:181-199
AbstractRaoultian activity coefficients gamma(0)(C) of C in infinitely dilute Fe-C binary melts at temperatures of 1833, 1873, 1923, and 1973 K have been determined from the converted mass action concentrations N-C(') of C in Fe-C binary melts by the developed AMCT-N-i model based on the atom-molecule coexistence theory (AMCT). The obtained expression of gamma(0)(C) by the developed AMCT-N-i model has been evaluated to be accurate based on the reported ones from the literature. Meanwhile, three activity coefficients gamma(C), f%,C, and f(H,C) of C coupled with activity a(R,C) or a%,C or a(H,C) have been obtained by the developed AMCT-N-i model and assessed through comparing with the predicted ones by other models from the literature. The first-order activity interaction coefficients epsilon(C)(C), e(C)(C), and h(C)(C) related to gamma(C), f%,C, and f(H,C) are also determined and assessed in comparison with the reported ones from the literature. Furthermore, the integral molar mixing thermodynamic functions such as Delta H-mix(m,Fe) C, Delta S-mix(m,Fe) C, and Delta(mix)G(m,Fe) C of Fe-C binary melts over a temperature range from 1833 to 1973 K have been determined and evaluated to be valid based on the determined ones from the literature.
KeywordFe-c Binary Melt Carbon Activity Coefficient Molar Mixing Thermodynamic Functions Atom-molecule Coexistence Theory Mass Action Concentration Thermodynamic Model Assessment Structural Unit
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1007/s42243-018-0019-1
Indexed BySCI
Language英语
WOS KeywordREPRESENTATION REACTION ABILITIES ; STRUCTURAL UNITS
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
Funding OrganizationBeijing Natural Science Foundation(2182069) ; National Natural Science Foundation of China(51174186)
WOS IDWOS:000428016600007
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24175
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.China Met Ind Planning & Res Inst, Dept Met & Raw Mat, Beijing 100711, Peoples R China
3.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Yang, Xue-min,Li, Jin-yan,Yan, Fang-jia,et al. Critical assessment of three kinds of activity coefficients of carbon and related mixing thermodynamic functions of Fe-C binary melts based on atom-molecule coexistence theory[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2018,25(2):181-199.
APA Yang, Xue-min,Li, Jin-yan,Yan, Fang-jia,Duan, Dong-ping,&Zhang, Jian.(2018).Critical assessment of three kinds of activity coefficients of carbon and related mixing thermodynamic functions of Fe-C binary melts based on atom-molecule coexistence theory.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,25(2),181-199.
MLA Yang, Xue-min,et al."Critical assessment of three kinds of activity coefficients of carbon and related mixing thermodynamic functions of Fe-C binary melts based on atom-molecule coexistence theory".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 25.2(2018):181-199.
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