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Investigation of Degree of Undercooling of Fe-O Alloy on Al2O3 Substrate
- Choe, Joongkil;
- Kim, Han Gyeol;
- Kang, Youngjo;
- Lee, Joonho
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7초록
An Fe-O drop of similar to 0.4 g in an alumina crucible was quenched from similar to 2200 K (similar to 1927 A degrees C) at a cooling rate of -87 K/s by flowing He gas at a flow rate of 25 L/min STP. A deep undercooling of approximately 200 K was obtained regardless the oxygen content in the sample. According to the classical nucleation theory, the contact angle between a solid Fe nuclei and the Al2O3 substrate was estimated to be 53 (+/- 4) deg.
키워드
FERRITIC STAINLESS-STEEL; OXYGEN PARTIAL PRESSURES; INCLUSION REMOVAL; LIQUID-IRON; SOLIDIFICATION STRUCTURE; BUBBLE FLOTATION; SURFACE-TENSION; CONTACT; TI; CRYSTALLIZATION
- 제목
- Investigation of Degree of Undercooling of Fe-O Alloy on Al2O3 Substrate
- 저자
- Choe, Joongkil; Kim, Han Gyeol; Kang, Youngjo; Lee, Joonho
- 발행일
- 2014-10
- 유형
- Article
- 권
- 45
- 호
- 5
- 페이지
- 1589 ~ 1592
- 언어
- ENG
- 출판사
- SPRINGER
- 발행국가
- 미국
- 분량
- 4 페이지
- ISSN
- E 1543-1916
P 1073-5615