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전기선폭발법으로 제조한 나노 W(텅스텐) 분말의 환원처리 및방전플라즈마소결에 의한 조밀화

eduction and Spark Plasma Sintering of the W(Tungsten) NanopowderProduced by the Electric Explosion of Wire Process

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참고문헌

주제분류금속공학

초록

Abstract

b-W(W3O) oxide layer on the surface of each W(tungsten) nanopowder produced by the electric explosion of wire(EEW) process were formed during the 1 vol.% air passivation process. The oxide layer hindered sintering densification of compacts during SPS process. The oxide phase was reduced to the pure W phase during SPS. The W nanopowder's compacts treated by the hydrogen reduction showed high sintered density of 94.5%. after SPS process at 1900 .

참고문헌 (3)

  1. "Manufacture and application of nano-sized metal particles" (2002), KISTI
  2. "분말재료공학" (2004)
  3. "Exploding Wires" (1964), New York

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