Micro-Raman Spectroscopy Investigation of Crystalline Phases in EAF Slag

被引：6

作者：

Riboldi, Alessandro ^{[1
,2
]}

Borgese, Laura ^{[1
,2
]}

Vassalini, Irene ^{[1
,2
]}

Cornacchia, Giovanna ^{[3
]}

Gelfi, Marcello ^{[3
]}

Boniardi, Marco Virginio ^{[4
]}

Casaroli, Andrea ^{[4
]}

Depero, Laura Eleonora ^{[1
,2
]}

机构：

[1] Univ Brescia, INSTM, Chem Technol Lab, Via Branze 38, I-25123 Brescia, Italy

[2] Univ Brescia, Dept Mech & Ind Engn, Via Branze 38, I-25123 Brescia, Italy

[3] Univ Brescia, Dept Mech & Ind Engn, Met, Via Branze 38, I-25123 Brescia, Italy

[4] Polytech Univ Milan, Dept Mech Engn, Via La Masa 1, I-20156 Milan, Italy

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 12期

关键词：

EAF slag; micro-Raman investigation; XRD characterisation; SEM-EDX characterisation; spectra database; crystalline phases; BLAST-FURNACE; STEEL; BEHAVIOR; GEHLENITE;

D O I：

10.3390/app10124115

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electric arc furnace (EAF) slags were investigated by micro-Raman spectroscopy. A slag sample characterised by well-developed crystalline phases was obtained. The EDXS elemental composition made it possible to recognize the grains corresponding to the brownmillerite, larnite and magnesioferrite phases, as identified by XRD in the same powdered sample. The grains were collected and analysed by mu-Raman spectra, and the results showed good reproducibility in each grain and good agreement with spectra of the phases reported in the literature. A Raman database devoted to crystalline phases of EAF slag identification was created to be used by portable Raman instruments, allowing the phase characterisation of the slag directly during steel production.

引用

页数：10

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