용융공정으로 제조한 산화물의 미세조직에 미치는 기공의 영향
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
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- 2001.06
- 7페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 8권 / 2호
ㆍ저자명 : 김찬중, 홍계원
영어 초록
Formation of pores in melt-processed (123) oxides and its effect on the microstructure were studied. Spherical pores with a size of a few tens of microns were formed due to the evolution of oxygen gas during melting of a 123 oxide. Some of pores were converted into liquid pockets by liquid filling, but others remained unfilled. The liquid pockets were converted into spherical 123 regions with a lower (211)density through the peritectic reaction during subsequent cooling, while the pores were entrapped into the periteictically grown 123 grains. The spherical 123 regions often consists of a residual melt due to the unbalanced peritectically reaction.
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