Processing and densification of CaLa2S4 powder through alkoxide route
β Scribed by Li Hsing Wang; Min Hsiung Hon; Wen Liang Huang; Whai Yuh Lin
- Book ID
- 113188406
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 597 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0025-5408
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A powder synthesis method was developed for preparing a highly sinterable submicrometer-sized sulfide from calcium and lanthanum alkoxides. Simultaneous sulfidization of these metal alkoxides at 400 to 750 Β°C in a pure H2S atmosphere produced stoichiometric CaLa2S4 powders with particle sizes in the
Al 2 O 3 -ZrO 2 composites having nominal equal volume fraction of Al 2 O 3 and ZrO 2 were prepared from gel-precipitated powder, precipitated powder and washed precipitated powder. These different processing routes affected the crystallization temperature of the amorphous powder as well as the phas