Anorthite insulating refractory

Pirogov, A. A.; Rakina, V. P.; Mirak'yan, M. M.; Volkov, N. V.

doi:10.1007/bf01295687

Cited by 14 publications

(13 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Due to their lightweight, low‐thermal conductivity, high‐specific strength, high refractoriness and good chemical resistance, porous anorthite ceramics have been selected as one of the promising materials for thermal insulation applications . Meanwhile, some researches have been done on the fabrication and characteristic of porous anorthite ceramics in recent years .…”

Section: Introductionmentioning

confidence: 99%

Fabrication and properties of porous anorthite/mullite ceramics with both high porosity and high strength

Yang

et al. 2019

Int J Applied Ceramic Tech

View full text Add to dashboard Cite

Porous anorthite/mullite ceramics with both high porosity and high strength have been successfully fabricated by foam-gelcasting and pressureless sintering technology, using α-Al 2 O 3 , SiO 2 , and CaCO 3 as starting materials and MnO 2 as sintering aids. The porous mullite ceramics prepared in this study had 83.3% porosity and 0.3 W/m·K thermal conductivity, exhibited compressive strength value as high as 6.1 MPa. The samples fabricated with mullite content of 30 mol% possessed 79.4% porosity and 5.9 MPa compressive strength showed thermal conductivity as low as 0.19 W/m·K. With the addition of MnO 2 , the properties of the prepared materials varied slightly when mullite content changed in a large scale. The results showed that the addition of MnO 2 promoted the reaction, affected sintering and grain growth, and contributed to high strength and low-thermal conductivity. K E Y W O R D Sanorthite, compressive strength, mullite, porosity, porous ceramics

show abstract

Section: Introductionmentioning

confidence: 99%

Fabrication and properties of porous anorthite/mullite ceramics with both high porosity and high strength

Yang

et al. 2019

Int J Applied Ceramic Tech

View full text Add to dashboard Cite

show abstract

“…During firing, the combustible material burns out, and leaves a large fraction of pores within the fired body. Different types of pore-formers such as sawdust, foam polystyrene, fine coke, binders and organic foams, or granular materials such as hollow microspheres and bubble alumina are commonly used to obtain decreased density or to produce porous bodies in the insulating material [2][3][4][5][6][7][8]. Insulating firebricks that have a highly porous structure (between 45% and 90% porosity) exhibit low thermal conductivity values.…”

Section: Introductionmentioning

confidence: 99%

“…However, an important problem of this method is environmentally the release of sulfur compounds from gypsum, which is highly undesirable. In the early works, some researchers developed the low density anorthite refractories using kaolin and gypsum slurry mixtures [3,7]. In these products, several different pore making agents like perlite foam, sawdust and polystyrene have been used [3,7].…”

Section: Introductionmentioning

confidence: 99%

Production of anorthite refractory insulating firebrick from mixtures of clay and recycled paper waste with sawdust addition

Sütçü

Akkurt

Bayram

et al. 2012

Ceramics International

View full text Add to dashboard Cite

Production of porous anorthite refractory insulating firebricks from mixtures of two different clays (K244 clay and fireclay), recycled paper processing waste and sawdust addition are investigated. Suitability of alkali-containing-clay, low-alkali fireclay, pore-making paper waste and sawdust in the products was evaluated. Prepared slurry mixtures were shaped, dried and fired. Highly porous anorthite ceramics from the mixtures with up to 30% sawdust addition were successfully produced. Physical properties such as bulk density, apparent porosity, percent linear change were investigated as well as the mechanical strengths and thermal conductivity values of the samples. Thermal conductivities of the samples produced from fireclay and recycled paper waste decreased from 0.25 W/mK (1.12 g/cm 3 ) to 0.13 W/mK (0.64 g/cm 3 ) with decreasing density. Samples were stable at high temperatures up to 1100 8C, and their cold strength was sufficiently high. The porous anorthite ceramics produced in this study can be used for insulation in high temperature applications. #

show abstract

“…Primachenko et al 14 fabricated a microporous anorthite-based lightweight refractory using various aluminosilicates and calcium-containing components as raw materials by slip casting process. The thermal conductivity was below 0.25 W/m K at 650 • C. Furthermore, Priogov et al 15 prepared microporous anorthite ceramics with a low thermal conductivity of 0.14 W/m K at 400 • C using direct foaming process. Though the thermal insulating performance of these materials is not sufficiently good for adiabatic application under the normal temperature, these two kinds of preparation methods are very suitable for industrial production because of their low cost and environmental advantage.…”

Section: Introductionmentioning

confidence: 98%

Fabrication and characterization of anorthite foam ceramics having low thermal conductivity

Cheng

Gong

et al. 2015

Journal of the European Ceramic Society

View full text Add to dashboard Cite

Anorthite insulating refractory

Cited by 14 publications

References 0 publications

Fabrication and properties of porous anorthite/mullite ceramics with both high porosity and high strength

Fabrication and properties of porous anorthite/mullite ceramics with both high porosity and high strength

Production of anorthite refractory insulating firebrick from mixtures of clay and recycled paper waste with sawdust addition

Fabrication and characterization of anorthite foam ceramics having low thermal conductivity

Contact Info

Product

Resources

About