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냉동 후막 성형에 의한 다공성 Al2O3 필름 제조

Title
냉동 후막 성형에 의한 다공성 Al2O3 필름 제조
Other Titles
Fabrication of Porous Al2O3 Film by Freeze Tape Casting
Author
김영도
Keywords
Porous; Freeze tape casting; Camphene; Camphor; Photopolymerization
Issue Date
2015-12
Publisher
한국분말야금학회
Citation
한국분말야금학회지, v. 22, NO 6, Page. 438-442
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.
URI
http://ejournal.kpmi.or.kr/journal/article.php?code=37822http://hdl.handle.net/20.500.11754/29553
ISSN
2287-8173; 1225-7591
DOI
10.4150/KPMI.2015.22.6.438
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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