Fe-8 wt%Ni 나노합금분말 사출성형체의 소결특성 및 표면조도
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
- 최종 저작일
- 2009.10
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 16권 / 5호
ㆍ저자명 : 차범하, 이재성
영어 초록
Development of nanoparticulate materials technology is essential to processing of highly functional nanoparticulate materials and components with small and complex shape. In this paper, the effect of particle size on surface roughness and shrinkage of sintered Fe-8 wt%Ni nanopowder components fabricated by PIM were investigated. The Fe-8 wt%Ni nanopowder was prepared by hydrogen reduction of ball-milled FeO-NiO powder. Feedstock of nanopowder prepared with the wet-milled powder was injection molded into double gear shaped part at 120. After sintering, the sintered part showed near full densified microstructure having apparently no porosity (98%T.D.). Surface roughness of sintered bulk using nanopowder was less than 815 nm and it was about seven times lower than 7 m that is typically obtainable from a sintered part produced from PIM.
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