Distinct element simulation of grain alignment in mushy-state forging of magnets

International Journal of Mechanical Sciences

Volumn 39, Issue 7, 1997, Pages 771-780

  Mori, K ^a   Otsu, M ^a   Osakada, K ^a  

^a OSAKA UNIVERSITY   (Japan)

Author keywords

Distinct element method; FEM; Forging magnet; Grain alignment; Mushy state

Indexed keywords

BOUNDARY CONDITIONS; EQUATIONS OF MOTION; FINITE ELEMENT METHOD; FORGING; PLASTIC DEFORMATION; VISCOPLASTICITY;

DISTINCT ELEMENT METHOD; FORGING MAGNETS; GRAIN ALIGNMENT; MUSHY STATE PLANE STRAIN UPSETTING;

MAGNETS;

EID: 0031188845     PISSN: 00207403     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0020-7403(96)00092-6     Document Type: Article

References (14)

1. Shimoda, T., Akioka, K., Kobayashi, O., Yamagami, T., Ohki, T., Miyagawa, M. and Yuri, T., Hot-working behavior of cast Pr-Fe-B magnets. IEEE Trans. Magnetics, 1989, 25, 4099.
2. Shimoda, T., Akioka, K., Kobayashi, O. and Yamagami, T., Hot-worked anisotropic Pr-Fe-B magnets. Proceedings of the 10th International Workshop on Rare-Earth Magnets and Their Application, Kyoto, 1989, p. 389.
3. Cundall, P. A. and Strack, O. D. L., A discrete numerical model for granular assemblies, Geotechnique, 1979, 29, 47.
4. Ghaboussi, J. and Barbosa, R., Three-dimensional discrete element method for granular materials. International Journal of Numerical Analytical Methods in Geomechanics, 1990, 14, 451.
5. Rothenburg, L. and Bathurst, R. J., Effect of particle shape on micromechanical behavior of granular materials. Advances in Micromechanics of Granular Materials, ed. H.H. Shen et al., Elsevier, Amsterdam, 1992, p. 343.
6. Lian, J. and Shima, S., Powder assembly simulation by particle dynamics method. International Journal of Numerical Methods in Engineering, 1994, 37, 763.
7. Iwai, T., Aizawa, T. and Kihara, J., Thermal and mechanical coupling in granular modeling for metal injection molding. Journal of Material Processing Technology, 1994, 42, 175.
8. Tamura, S., Aizawa, T. and Kihara, J., Three-dimensional granular modeling for metallic powder compaction and flow analysis. Journal of Material Processing Technology, 1994, 42, 197.
9. Tamura, S., Aizawa, T. and Kihara, J., Magnetic powder forming simulation subjected to pressing in magnetic field. Journal of Material Processsing Technology, 1994, 45, 353.
10. Rothenburg, L. and Bathurst, R. J., Numerical simulation of idealized granular assemblies with plane elliptical particles. Computers and Geotechnics, 1991, 11, 315.
11. Ting, J. M., Khwaja, M., Meachum, L. R. and Rowell, J. D., An ellipse-based discrete element model for granular materials. International Journal of Numerical Analytical Methods in Geomechanics, 1993, 17, 603.
12. Mori, K., Osakada, K. and Shiomi, M., Finite element modelling of forming process of solid metal with liquid phase. Journal of Material Processing Technology, 1991, 27, 111.
13. Osakada, K., Nakano, J. and Mori, K., Finite element method for rigid-plastic analysis of metal forming - formulation for finite deformation. International Journal of Mechanical Sciences, 1982, 24, 459.
14. Mori, K., Osakada, K. and Oda, T., Simulation of plane-strain rolling by the rigid-plastic finite element method. International Journal of Mechanical Sciences, 1982, 24, 519.