새로운 게터소재로서의 금속 나노 분말
(주)코리아스칼라
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 14권 / 1호
ㆍ저자명 : 김원백, 박제신, 서창열, 장한권, 이재천, 박미영
영어 초록
Getter property of nano-sized metallic powders was evaluated as a possible candidate for the future getter material. For the purpose, Ti powders of about 50 nm were prepared by electrical wire explosion. Commercial Ti powders of about 22 micrometer were tested as well for comparison. The room-temperature hydrogen-sorption speed of nano-sized Ti powders was which was more than 4 times higher than that of micron-sized ones. The value is comparable to or even higher than those of commercial products. Its sorption speed increases with activation temperature up to above which it deteriorates due to low-temperature sintering effect of nano-sized particles.
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