Publication detail

Factors Influencing Mullite Formation in Refractory Grog

NEVŘIVOVÁ, L. ZEMÁNEK, D.

Original Title

Factors Influencing Mullite Formation in Refractory Grog

Type

conference paper

Language

English

Original Abstract

The mineral mullite has many outstanding refractory properties. The content of aluminum oxide in the raw material is the basic factor influencing the content of mullite in the final product. Depending on Al2O3 content, silica-alumina materials can be divided into fireclay and high-alumina with the Al2O3 content of 45 % and more. The study describes the influence of raw material, the influence of homogenization of raw material and influence of firing temperature on the mullite formation in fireclay refractory material. Three kinds of refractory clay with different chemical composition were used as raw material for fireclay grog production. Three kinds of homogenization and three different temperatures were studied as factors influencing mullite formation. Powder X-ray diffraction was used to determine mullite content in material. Quantitative phase analysis was conducted by the Rietveld method. Mullite crystals morphology was observed by scanning electron microscopy.

Keywords

Ceramics, Kaolinite, Mullite, Refractory Claystone, Refractory Grog

Authors

NEVŘIVOVÁ, L.; ZEMÁNEK, D.

Released

26. 7. 2021

Location

Switzerland

ISBN

978-3-0357-1728-0

Book

Binders, Materials and Technologies in Modern Construction VI

ISBN

1662-9779

Periodical

Solid State Phenomena

Year of study

321

Number

1

State

Swiss Confederation

Pages from

149

Pages to

155

Pages count

6

BibTex

@inproceedings{BUT167788,
  author="Lenka {Nevřivová} and David {Zemánek}",
  title="Factors Influencing Mullite Formation in Refractory Grog",
  booktitle="Binders, Materials and Technologies in Modern Construction VI",
  year="2021",
  journal="Solid State Phenomena",
  volume="321",
  number="1",
  pages="149--155",
  address="Switzerland",
  doi="10.4028/www.scientific.net/SSP.321.149",
  isbn="978-3-0357-1728-0",
  issn="1662-9779"
}