Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 498, Issue 1-2, Pages 437-441Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2008.08.032
Keywords
Functionally graded material (FGM); Ceramic matrix composites (CMC); Toughness; Phase transformations; Spark plasma sintering (SPS)
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Funding
- NCET [05003345]
- National Natural Science Foundation of China [50702016, 50602010, 90505015]
- Postdoctoral Science Foundation
- Harbin Institute of Technology
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ZrB2-SiC/ZrO2(3Y) functionally graded material (FGM) was prepared by spark plasma sintering (SPS). The pre-designed graphite die with special outline dimensional control can give rise to a temperature gradient sintering. The microstructure and properties of SPS-sintered FGM were investigated. The hardness and composition distribution across the entire layers were evaluated. Noticeably partially stabilized ZrO2 with a gradient composition distribution in the FGM was favorable for toughening and reinforcing the individual graded layers. (c) 2008 Elsevier B.V. All rights reserved.
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