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- 자기펄스성형법 및 통전가압소결법의 연속공정을 이용한 고밀도 나노 알루미나 세라믹의 제조
- 이종극, 홍순직, 이민구, 이창규
- Fabrication of Nanostructured Alumina by the Combined Processes of Magnetic Pulsed Compaction (MPC) and Spark Plasma Sintering (SPS)
- J. K. Lee, S. J. Hong, M. K. Lee, C. K. Rhee
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Journal of Korean Powder Metallurgy Institute 2005;12(5):345-350
DOI: https://doi.org/10.4150/KPMI.2005.12.5.345
1한국원자력연구소
2한국원자력연구소
3한국원자력연구소
4한국원자력연구소
1Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
2Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
3Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
4Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
2한국원자력연구소
3한국원자력연구소
4한국원자력연구소
1Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
2Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
3Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
4Nuclear Materials Technology Development Team, Korea Atomic Energy Research Institute
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Abstract
In this study the nanostructured alpha-Al_2O_3 ceramics have been fabricated by the combined application of magnetic pulsed compaction (MPC) and subsequent spark plasma sintering (SPS), and their density and hardness properties were investigated. The alpha-Al_2O_3 prepared by the combined processes showed an increase by 8.4% in density, approaching the value close to the true density, and an enhancement by 210~400;Hv in hardness, compared to those fabricated by MPC or static compaction method followed by sintering treatment.
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