동시 전기 폭발법에 의한 나노 합금 분말 제조에 관한 연구 II - Fe-Al alloy 분말 제조
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
- 최종 저작일
- 2004.04
- 6페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 11권 / 2호
ㆍ저자명 : 이근희, 이창규, 김흥회, 권영순
영어 초록
In this study the possibility to obtain a homogeneous mixture and to produce solid solutions and intermetallic compounds of Fe and Al nano particles by simultaneous pulsed wire evaporation (S-PWE) have been investigated. The Fe and Al wires with 0.45 mm in diameter and 35 mm in length were continuously co-fed by a special mechanism to the explosion chamber and simultaneously exploded. The characteristics, e.g., phase composition, particle shape, and specific surface area of Fe-Al nano powders have been analyzed. The synthesized powders, beside for Al and -Fe, contain significant amount of a high-temperature phase of -Fe, Fe Al and traces of other intermetallics. The phase composition of powders could be changed over broad limits by varying initial explosion conditions, e.g. wire distance, input energy, for parallel wires of different metals. The yield of the nano powder is as large as 40 wt % and the powder may include up to 46 wt % FeAl as an intermetallic compound.
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