2xxx Al 합금계 혼합분말의 소결온도에 따른 소결거동

서지정보

ㆍ발행기관 : 한국분말야금학회 ㆍ수록지정보 : 한국분말야금학회지 / 10권 / 1호
ㆍ저자명 : 민경호, 김대건, 장시영, 임태환, 김영도

영어 초록

Sintering behavior of 2xxx series Al alloy was investigated to obtain full densification and sound microstructure. The commercial 2xxx series Al alloy powder. AMB2712, was used as a starting powder. The mixing powder was characterized by using particle size analyzer, SEM and XRD. The optimum compacting pressure was 200 MPa, which was the starting point of the "homogeneous deformation" stage. The powder compacts were sintered at after burn-off process at . Swelling phenomenon caused by transient liquid phase sintering was observed below of sintering temperature. At , sintering density was increased by effect of remained liquid phase. Further densification was not observed above . Therefore, it was determined that the optimum sintering temperature of AMB2712 powder was .C.

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