Fabrication of Mullite Powders by a Novel Processing

Fabrication of Mullite Powders by a Novel Processing

A novel and general processing (heterogeneous nucleation and growth processing) was used to prepare composite coating particles with homogeneous component distribution. Composite coating particles consisting of α‐Al2O3 cores with an outer amorphous silica layer were prepared by this processing using...

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Veröffentlicht in:Advanced engineering materials 2004-02, Vol.6 (1-2), p.69-71
Hauptverfasser: Tang, Y.F., Feng, L., Chen, Y.F., Li, A.D.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Ceramics
Ceramics, Processing
Chemical industry and chemicals
Exact sciences and technology
General studies
Mullite Ceramics
Processing
Processing, Ceramics
Technical ceramics
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Beschreibung
Zusammenfassung:A novel and general processing (heterogeneous nucleation and growth processing) was used to prepare composite coating particles with homogeneous component distribution. Composite coating particles consisting of α‐Al2O3 cores with an outer amorphous silica layer were prepared by this processing using an ethanol suspension containing ammonia, tetraethylorthosilicate and α‐Al2O3. Fine mullite powders (d50 = 0.73 μm) were fabricated by calcinating these particles at 1500 °C for 2 h.
ISSN:1438-1656
1527-2648
DOI:10.1002/adem.200300521