CAS OpenIR
Effect of B2O3 Addition on Electrical Conductivity and Structural Roles of CaO-SiO2-B2O3 Slag
Zhang, Pan1,2; Liu, Junhao1; Wang, Zhi1; Qian, Guoyu1; Ma, Wenhui2
2019-02-01
Source PublicationMETALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
ISSN1073-5615
Volume50Issue:1Pages:304-311
AbstractThe effect of B2O3 addition on electrical conductivity of CaO-SiO2-B2O3 slag was investigated using the four-electrode method. The slag structure was determined from Raman and nuclear magnetic resonance spectra. The experimental results show that the electrical conductivity, as the B2O3 content in the slag increased from 0 to 10 pct, monotonously increases from 0.0769 to 0.2642 (-1) cm(-1) at temperatures ranging from 1783 to 1873 K (1510 degrees C to 1600 degrees C). The effects of temperature on electrical conductivity obeyed the Arrhenius law, and the electrical conductivity increased as the temperature increased. The Raman spectra results indicated that addition of B2O3 led to an increase of Q(3)(Si) at the cost of Q(2)(Si), which will increase the degree of polymerization of the slag. B-11 nuclear magnetic resonance spectra showed that both BO3 trigonal and BO4 tetrahedral structures increased with the increasing B2O3 content. There was a competitive effect between the presence of these structures and an enhanced degree of polymerization of slags in the networks, which resulted in the increased electrical conductivity of the slag. A structure-electrical conductivity model for CaO-SiO2-B2O3 slag was established.
DOI10.1007/s11663-018-1472-8
Language英语
WOS KeywordSOLID-STATE NMR ; SILICATE MELTS ; OXYGEN POTENTIALS ; RAMAN-SPECTRA ; ELECTRONIC/IONIC PROPERTIES ; AMPHOTERIC BEHAVIOR ; HIGH-TEMPERATURE ; VISCOUS-FLOW ; GLASSES ; VISCOSITY
Funding ProjectNational Natural Science Foundation of China[51704271] ; National Natural Science Foundation of China[U1702251] ; National Key R&D Program of China[2018YFC1901801] ; Edanz Group China
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China ; National Key R&D Program of China ; Edanz Group China
WOS IDWOS:000456070300031
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27774
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Junhao
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Kunming Univ Sci & Technol, Fac Met & Energy Engn, Natl Engn Lab Vacuum Met, Kunming 650093, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Pan,Liu, Junhao,Wang, Zhi,et al. Effect of B2O3 Addition on Electrical Conductivity and Structural Roles of CaO-SiO2-B2O3 Slag[J]. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,2019,50(1):304-311.
APA Zhang, Pan,Liu, Junhao,Wang, Zhi,Qian, Guoyu,&Ma, Wenhui.(2019).Effect of B2O3 Addition on Electrical Conductivity and Structural Roles of CaO-SiO2-B2O3 Slag.METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,50(1),304-311.
MLA Zhang, Pan,et al."Effect of B2O3 Addition on Electrical Conductivity and Structural Roles of CaO-SiO2-B2O3 Slag".METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE 50.1(2019):304-311.
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