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논문 기본 정보

자료유형
학술저널
저자정보
Jieguang Song (Pingxiang University) Yue Liu (Pingxiang University) Cailiang Pang (Pingxiang University) Jia Zhang (Pingxiang University) Lin Chen (Pingxiang University) Xiling Zhang (Pingxiang University) Songlin Guo (Pingxiang University) Xianzhong Wang (Pingxiang University) Ruihua Wang (Jiujiang University) Aixia Chen (Jiujiang University)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제19권 제2호
발행연도
2018.4
수록면
142 - 145 (4page)

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Cermet materials are important new engineering materials with combined advantages of ceramics and metals. In this study,Al2O3/Al cermet materials were prepared through powder metallurgy. The effect of sintering technology on the properties ofAl2O3/Al cermet materials was analyzed as basis for preparing high-performance cermet materials. Results showed that whenthe sintering temperature was increased from 700 oC to 1000 oC under holding time for 1 h, the densification degree and hardnessof Al2O3/Al cermet materials decreased and the electric resistivity increased. In the microstructure of Al2O3/Al cermet materials,Al particles were larger and continuously distributed, whereas the Al2O3 particles were smaller and discontinuously distributed. When the holding time was increased under sintering temperature of 700 oC, the densification degree and hardness of Al2O3/Alcermet materials also increased, and the electric resistivity decreased. When 25 wt% Al2O3/Al cermet materials were sintered at700 oC for 3 h, the densification degree was higher, with hardness of 2203 HV and electric resistivity of 0.0159 Ω ? m.

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