Publication detail

Chemical Composition and Morphology of Oxidic Ceramics at Filtration of Steel Deoxidised by Aluminium

BAŽAN, J. STRÁNSKÝ, K. HORÁKOVÁ, D.

Czech title

Chemické složení a morfologie oxidické keramiky při filtrování oceli dezoxidované hliníkem

English title

Chemical Composition and Morphology of Oxidic Ceramics at Filtration of Steel Deoxidised by Aluminium

Type

journal article - other

Language

en

Original abstract

Composition and morphology of filter ceramics was investigated during filtration of steel deoxidized by aluminium. Filtration was realized with use of filters based on oxidic ceramics Cr2O3, TiO2, SiO2, ZrO2, Al2O3, 3Al2Os.2SiO2 and MgO.Al2O3. It was established that change of interphase (coating) occurs during filtration of steel on the surface of capillaries of ceramics, where content of basic oxidic component decreases. Loss of oxidic component in the coating is replaced by increase of oxides of manganese and iron and it is great extent inversely proportional to the value of Gibbs energy of oxide, which forms this initial basis of ceramics.

Czech abstract

Bylo studováno chemické složení a morfologie keramických filtrů během filtrování oceli, která byla dezoxidována hliníkem. Byly použity filtry na bázi oxidické keramiky Cr2O3, TiO2, SiO2, ZrO2, Al2O3, 3Al2Os.2SiO2 and MgO.Al2O3. Bylo zjištěno, že na rozhraní (povlaku) na povrchu filtru během filtrace oceli se snižuje množství oxidických fází. Ztráta oxidických složek na povrchu (povlaku) je nahrazena oxidy manganu a železa.

English abstract

Composition and morphology of filter ceramics was investigated during filtration of steel deoxidized by aluminium. Filtration was realized with use of filters based on oxidic ceramics Cr2O3, TiO2, SiO2, ZrO2, Al2O3, 3Al2Os.2SiO2 and MgO.Al2O3. It was established that change of interphase (coating) occurs during filtration of steel on the surface of capillaries of ceramics, where content of basic oxidic component decreases. Loss of oxidic component in the coating is replaced by increase of oxides of manganese and iron and it is great extent inversely proportional to the value of Gibbs energy of oxide, which forms this initial basis of ceramics.

Keywords in Czech

Filtrace oceli, keramické filtry, mezifázové reakce, termodynamická stabilita filtru

Keywords in English

Filtration of steel, ceramic filters, interphase reactions, thermodynamic stability of filter

RIV year

2009

Released

01.11.2009

Publisher

HMD, CMS Croatia

Location

Zagreb, Croatia

ISSN

0543-5846

Journal

Metalurgija

Volume

48

Number

4

Pages from–to

229–234

Pages count

6

BIBTEX


@article{BUT48193,
  author="Jiří {Bažan} and Karel {Stránský} and Dana {Horáková},
  title="Chemical Composition and Morphology of Oxidic Ceramics at Filtration of Steel Deoxidised by Aluminium",
  journal="Metalurgija",
  year="2009",
  volume="48",
  number="4",
  month="November",
  pages="229--234",
  publisher="HMD, CMS Croatia",
  address="Zagreb, Croatia",
  issn="0543-5846"
}