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Finite Element Analysis of Powdered Magnet Sinter-forging Processes Considering Deformable Body Contact
|저자명||S. H. Kim H. W. Lee H. Huh C. H. Lee|
|Name||AFDM '99 pp 715-720|
Tube Process (TP) is a process to produce permanent magnets using a deformable tube for densification of magnet powder. This process claims that it can accomplish both densification and anisotropication in one step forming. This process is distinguished from other processes since it uses a deformable copper tube for densification of magnet powder. In this paper, simulation has been carried our for the Tube Process in a closed die considering the compressibility of powdered material, arbitrary curved shape and deformable body contact between Nd-Fe-B magnet powder and a copper tube. Results show that the finite element analysis of the Tube Process Plays an important role in the stage of preform design.