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Investigation of Degree of Undercooling of Fe-O Alloy on Al2O3 Substrate
- Authors
- Choe, Joongkil; Kim, Han Gyeol; Kang, Youngjo; Lee, Joonho
- Issue Date
- Oct-2014
- Publisher
- SPRINGER
- Citation
- METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, v.45, no.5, pp.1589 - 1592
- Indexed
- SCIE
SCOPUS
- Journal Title
- METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
- Volume
- 45
- Number
- 5
- Start Page
- 1589
- End Page
- 1592
- ISSN
- 1073-5615
- Abstract
- 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.
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Related Researcher
- LEE, Joon ho
- College of Engineering (Department of Materials Science and Engineering)