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냉동 후막 성형에 의한 다공성 Al2O3 필름 제조Fabrication of Porous Al2O3 Film by Freeze Tape Casting
- Other Titles
- Fabrication of Porous Al2O3 Film by Freeze Tape Casting
- Issue Date
- Dec-2015
- Publisher
- 한국분말야금학회
- Keywords
- Porous; Freeze tape casting; Camphene; Camphor; Photopolymerization
- Citation
- 한국분말야금학회지, v.22, no.6, pp.438 - 442
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 22
- Number
- 6
- Start Page
- 438
- End Page
- 442
- ISSN
- 1225-7591
- Abstract
- Porous thick film of alumina which is fabricated by freeze tape casting using a camphene-camphor-acrylate vehicle. Alumina slurry is mixed above the melting point of the camphene-camphor solvent. Upon cooling, the camphene- camphor crystallizes from the solution as particle-free dendrites, with the Al2O3 powder and acrylate liquid in the interdendritic spaces. Subsequently, the acrylate liquid is solidified by photopolymerization to offer mechanical properties for handling. The microstructure of the porous alumina film is characterized for systems with different cooling rate around the melting temperature of camphor-camphene. The structure of the dendritic porosity is compared as a function of ratio of camphene-camphor solvent and acrylate content, and Al2O3 powder volume fraction in acrylate in terms of the dendrite arm width.
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Related Researcher
- Kim, Young Do
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)