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새로운 게터소재로서의 금속 나노 분말

Metal Nano Powders as a New Getter Material

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참고문헌

주제분류금속공학

초록

Abstract

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 1.34 L/sec ㎠ 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 500℃ above which it deteriorates due to low-temperature sintering effect of nano-sized particles.

참고문헌 (1)

  1. "American Society for Testing and Materials Annual Book of ASTM Standards", pp.~97 (1966)

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