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급속소결에 의해 제조된 Al2O3/Fe-Ni 나노복합재료의 미세조직 및 기계적 특성Microstructure and Mechanical Properties of Al2O3/Fe-Ni Nanocomposite Prepared by Rapid Sintering
- Other Titles
- Microstructure and Mechanical Properties of Al2O3/Fe-Ni Nanocomposite Prepared by Rapid Sintering
- Issue Date
- Jun-2010
- Publisher
- 한국분말야금학회
- Keywords
- Nanocomposite; High frequency induction heating; Reduction; Fe-Ni dispersion particle; FeAl2O4spinel; Mechanical properties
- Citation
- 한국분말야금학회지, v.17, no.3, pp 203 - 208
- Pages
- 6
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 17
- Number
- 3
- Start Page
- 203
- End Page
- 208
- ISSN
- 1225-7591
2287-8173
- Abstract
- A new High Frequency Induction Heating (HFIH) process has been developed to fabricate dense Al2O3 reinforced with Fe-Ni magnetic metal dispersion particles. The process is based on the reduction of metal oxide particles immediately prior to sintering. The synthesized Al2O3/Fe-Ni nanocomposite powders were formed directly from the selective reduction of metal oxide powders, such as NiO and Fe2O3. Dense Al2O3/Fe-Ni nanocomposite was fabricated using the HFIH method with an extremely high heating rate of 2000oC/min. Phase identification and microstructure of nanocomposite powders and sintered specimens were determined by X-ray diffraction and SEM and TEM, respectively. Vickers hardness experiment were performed to investigate the mechanical properties of the Al2O3/Fe-Ni nanocomposite.
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Related Researcher
- CHOA, YONG HO
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)