Phase formation in MgO-C refractories with different antioxidants

被引：52

作者：

Atzenhofer, C. ^{[1
]}

Harmuth, H. ^{[1
]}

机构：

[1] Univ Leoben, Dept Mineral Resources Engn, Chair Ceram, Peter Tunner Str 5, A-8700 Leoben, Austria

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2021年 / 41卷 / 14期

关键词：

MgO-C refractories; Non-oxides; Phase formation; Antioxidants; MECHANICAL-PROPERTIES; AL; SI; MICROSTRUCTURE; EVOLUTION; BEHAVIOR; RESISTANCE; ADDITIVES;

D O I：

10.1016/j.jeurceramsoc.2021.07.023

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The application of Al or Si as antioxidants in MgO-C refractories leads to the in situ formation of new phases. Due to uncertainties regarding phase formation in some references four different test series were heat treated from 800 to 1600 degrees C under reducing conditions in 200 degrees C steps. The antioxidant systems investigated were pure Al, Al and Si in two different ratios and SiC. The addition of SiC did not lead to the formation of new phases but in case of Al and Si addition carbides, nitrides, oxycarbonitrides and oxynitrides were formed. The reaction series, its reason and its relation to equilibrium phase composition have been revealed.

引用

收藏

页码：7330 / 7338

页数：9

相关论文

共 25 条

[1] STUDY OF WURTZITE-TYPE COMPOUNDS .5. STRUCTURE OF ALUMINUM OXYCARBIDE, AL2CO - A SHORT-RANGE WURTZITE-TYPE SUPERSTRUCTURE [J].

AMMA, EL ;

JEFFREY, GA .

JOURNAL OF CHEMICAL PHYSICS, 1961, 34 (01) :252-&

[2] Microstructure evaluation of MgO-C refractories with TiO2- and Al-additions [J].

Aneziris, C. G. ;

Hubalkova, J. ;

Barabas, R. .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2007, 27 (01) :73-78

[3]

Atzenhofer C., 2018, THESIS MONTANUNIVERS

[4] The effects of aluminum and aluminum borate addition on the properties of MgO-C refractories [J].

Bagherabadi, M. Heidari ;

Naghizadeh, R. ;

Rezaie, H. R. ;

Vostakola, M. Fallah .

JOURNAL OF THE AUSTRALIAN CERAMIC SOCIETY, 2019, 55 (01) :281-288

[5] The influence of in situ spinel formation on microstructure and phase evolution of MgO-C refractories [J].

Bavand-Vandchali, M. ;

Golestani-Fard, F. ;

Sarpoolaky, H. ;

Rezaie, H. R. ;

Aneziris, C. G. .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2008, 28 (03) :563-569

[6] Effect of different metal powder anti-oxidants on N220 nano carbon containing low carbon MgO-C refractory: An in-depth investigation [J].

Behera, Satyananda ;

Sarkar, Ritwik .

CERAMICS INTERNATIONAL, 2016, 42 (16) :18484-18494

[7] Phase and microstructural evolution based on Al, Si and TiO2 reactions with a MgO-C resin-bonded refractory [J].

Bitencourt, C. S. ;

Luz, A. P. ;

Pagliosa, C. ;

Pandolfelli, V. C. .

CERAMICS INTERNATIONAL, 2016, 42 (15) :16480-16490

[8] The influence of B4C and MgB2 additions on the behavior of MgO-C bricks [J].

Campos, Karma S. ;

Lenz e Silva, Guilherme F. B. ;

Nunes, Eduardo H. M. ;

Vasconcelos, Wander L. .

CERAMICS INTERNATIONAL, 2012, 38 (07) :5661-5667

[9] Carbon based refractories [J].

Ewais, EMM .

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 2004, 112 (1310) :517-532

[10] The effect of antioxidants on the oxidation behaviour of magnesia-carbon refractory bricks [J].

Gokce, A. S. ;

Gurcan, C. ;

Ozgen, S. ;

Aydin, S. .

CERAMICS INTERNATIONAL, 2008, 34 (02) :323-330