期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 528, 期 6, 页码 2870-2874出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2010.12.079
关键词
ZrB2-SiC ceramic; Microstructure; Mechanical properties
类别
资金
- China Postdoctoral Science Foundation [20100481220]
- Fundamental Research Funds for the Central Universities [3014-852001]
- National Natural Science Foundation of China [51002019, 91016024]
The ZrB2-SiC-graphite (ZSG) ceramic was annealed at 1600, 1700 and 1800 degrees C for different times, respectively. It was revealed that the annealing treatment is favorable to increase the interface bonding and relative density, and to decrease the thermal residual stress, to result in the crimp of the graphite flake. It was the optimal annealing treatment process conditions of 1700 degrees C and 90 min according to the best combination of the mechanical properties. To compare the mechanical properties of the specimen before the annealing treatment, the hardness, strength and toughness of the specimen annealed at 1700 degrees C for 90 min were enhanced by 20.6% and 20.2%, decreased by 8.2%, respectively. (C) 2010 Elsevier B.V. All rights reserved.
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