Fabrication of Mullite Powders by a Novel Processing | Zendy

Tang Y.F. | Zendy; Feng L. | Zendy; Chen Y.F. | Zendy; Li A.D. | Zendy

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Fabrication of Mullite Powders by a Novel Processing

Author(s) -

Tang Y.F.,

Feng L.,

Chen Y.F.,

Li A.D.

Publication year - 2004

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.200300521

Subject(s) - materials science , mullite , composite number , nucleation , suspension (topology) , fabrication , coating , chemical engineering , amorphous solid , homogeneous , composite material , mineralogy , ceramic , crystallography , medicine , chemistry , alternative medicine , mathematics , physics , organic chemistry , pathology , homotopy , pure mathematics , engineering , thermodynamics

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‐Al 2 O 3 cores with an outer amorphous silica layer were prepared by this processing using an ethanol suspension containing ammonia, tetraethylorthosilicate and α‐Al 2 O 3 . Fine mullite powders ( d 50 = 0.73 μm) were fabricated by calcinating these particles at 1500 °C for 2 h.

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