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Celsian formation in Si3N4–Ba0.75Sr0.25Si2Al2O8 composites
- Source :
- Scripta Materialia. 60:463-466
- Publication Year :
- 2009
- Publisher :
- Elsevier BV, 2009.
-
Abstract
- The formation of monoclinic celsian in Ba0.75Sr0.25Al2Si2O8 (BSAS) sol–gel glass powder and in 50 wt.% Si3N4 particle-reinforced BSAS composites fabricated by a low-temperature hot pressing was investigated. Results indicated that celsian formation depended on the polymorphs of the Si3N4. Hexacelsian to celsian transformation was impeded when the α- to β-Si3N4 phase transformation occurred.
- Subjects :
- Materials science
Mechanical Engineering
Metallurgy
Metals and Alloys
engineering.material
Condensed Matter Physics
Hot pressing
chemistry.chemical_compound
Silicon nitride
chemistry
Mechanics of Materials
Phase (matter)
Celsian
engineering
General Materials Science
Composite material
Monoclinic crystal system
Subjects
Details
- ISSN :
- 13596462
- Volume :
- 60
- Database :
- OpenAIRE
- Journal :
- Scripta Materialia
- Accession number :
- edsair.doi...........eb4fe31b3454266a2af69c1a3a07a785