The Effect of Aluminum Phosphate Binder on the Crystallization of Mullite-Silica Fibers

The Effect of Aluminum Phosphate Binder on the Crystallization of Mullite-Silica Fibers Refractories and Industrial Ceramics Vol. 45, No. 4, 2004 THE INTERNATIONAL CONFERENCE OF REFRACTORISTS AND METALLURGISTS THE EFFECT OF ALUMINUM PHOSPHATE BINDER ON THE CRYSTALLIZATION OF MULLITE-SILICA FIBERS 1 1 Ya. N. Pitak and Yu. V. Churilova Translated from Novye Ogneupory, No. 4, pp. 41 – 43, April, 2004. Heat insulators based on mullite-silica fibers and alumi At present, fibrous insulators based on mullite-silica fi- - bers have found wide application in thermal power plants num phosphate binder were developed at the NTU KhPI that and structures operating at high temperatures. However, ow- display a low apparent density (300 – 370 kgm ), low heat ing to the high-temperature crystallization, glass-like fibers conductivity (0.19 W(m  K) at 600°C), sufficient mechani- have limited application at temperatures higher than cal strength (0.3 MPa), and linear shrinkage ( 3%) when 1150 – 1250°C. Because of the microcrystalline species gen- heated to about 1400°C. The fibers in the material are in inti- erated during heating with a size comparable to the fiber di- mate contact with the binder. On heating, the material com- ameter, the fibers drop sharply in strength, develop brittle- ponent undergo physicochemical and structural transforma- ness, and tend to http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

The Effect of Aluminum Phosphate Binder on the Crystallization of Mullite-Silica Fibers

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2004 by Plenum Publishing Corporation
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1023/B:REFR.0000046511.52356.8d
Publisher site
See Article on Publisher Site

Abstract

Refractories and Industrial Ceramics Vol. 45, No. 4, 2004 THE INTERNATIONAL CONFERENCE OF REFRACTORISTS AND METALLURGISTS THE EFFECT OF ALUMINUM PHOSPHATE BINDER ON THE CRYSTALLIZATION OF MULLITE-SILICA FIBERS 1 1 Ya. N. Pitak and Yu. V. Churilova Translated from Novye Ogneupory, No. 4, pp. 41 – 43, April, 2004. Heat insulators based on mullite-silica fibers and alumi At present, fibrous insulators based on mullite-silica fi- - bers have found wide application in thermal power plants num phosphate binder were developed at the NTU KhPI that and structures operating at high temperatures. However, ow- display a low apparent density (300 – 370 kgm ), low heat ing to the high-temperature crystallization, glass-like fibers conductivity (0.19 W(m  K) at 600°C), sufficient mechani- have limited application at temperatures higher than cal strength (0.3 MPa), and linear shrinkage ( 3%) when 1150 – 1250°C. Because of the microcrystalline species gen- heated to about 1400°C. The fibers in the material are in inti- erated during heating with a size comparable to the fiber di- mate contact with the binder. On heating, the material com- ameter, the fibers drop sharply in strength, develop brittle- ponent undergo physicochemical and structural transforma- ness, and tend to

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 18, 2004

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