Hostname: page-component-745bb68f8f-b6zl4 Total loading time: 0 Render date: 2025-02-04T15:41:19.301Z Has data issue: false hasContentIssue false
  • English
  • Français

A Multiparticle Simulation of Powder Compaction Using Finite Element Discretization of Individual Particles

Published online by Cambridge University Press:  01 February 2011

Antonios Zavaliangos
Antonios Zavaliangos*
Affiliation:
Department of Materials Engineering Drexel University, Philadelphia, PA19010
Get access

Abstract

Discrete element studies of powder compaction have become popular recently. A disadvantage of this technique is the need for simplification of the inter-particle contact behavior which limit the applicability of DEM to small relative densities. To overcome this problem, we analyze the compaction of powder by a 2-D finite element study of the compaction of 400 particles, each of which is discretized at a sufficient level to provide adequate detail of the interparticle interaction. The material is modeled as elastic-perfectly plastic. Simulations show that: (a) there is an effect of interparticle friction on the macroscopic response in the earlier stages of compaction, (b) there is significant rearrangement even in highly constrained compaction modes, (c) the absence of friction promotes inhomogeneous deformation in the compact, and (d) conditions for fragmentation develop in particles with loose lateral constrains.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 731: Symposium W – Modeling and Numerical Simulation of Materials Behavior and Evolution , 2002 , W7.1
Copyright
Copyright © Materials Research Society 2002

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Green, R.J., “A Plasticity Theory for Porous Solids”, Int. J. Mech. Sci., 1972, vol. 14, p. 215.Google Scholar
2. Kuhn, H.A., and Downey, C.L., “Deformation Characteristics and Plasticity Theory of Sintered Powder Materials”, Int., J. Powder. Metall., 1971, vol. 7, p. 15.Google Scholar
3. Shima, S. and Oyane, M., “Plasticity Theory for Porous Metals', Int. J. Mech. Sci., 1976, vol.18, 6, p. 285.Google Scholar
4. Gurson, A.L., “Continuum Theory of Ductile Rupture by Void Nucleation and Growth. I. Yield Criteria and Flow Rules for Porous Ductile Media”, Trans. ASME, Ser H. J. Eng. Mater. Tech. 1997, vol. 99, p. 2.Google Scholar
5. Sofronis, P., and McMeeking, R.M., “Creep of Power-Law Material Containing Spherical Voids”, J. Appl. Mech., 1992, vol. 59, p. s88.Google Scholar
6. Zavaliangos, A., and Anand, L. Google Scholar
7. Arzt, E., “The Influence of an Increasing Particle Coordination on the Densification of Spherical Powders”, Acta Metal., 1982, vol. 30, 10, p. 1883.Google Scholar
8. Fleck, N.A., N.A., “On the Cold Compaction of Powders”, J. Mech. Phys. Solids., 1995, vol.43, no.9, p.1409.Google Scholar
9. Cundall, P. A., Strack, O.D.L., “A Discrete Numerical Model for Granular Assemblies”, Géotechnique, 1979, vol. 29, p. 47.Google Scholar
10. Cambou, B., “Behavior of Granular Systems”, CISM Courses and Lectures No 385., Spinger Verlag, Germany, 1998.Google Scholar
11. Oda, M., and Iwashita, K. (editors), “Mechanics of Granular Materials”, Balkema Publishers, Rotterdam, Netherlands, 1999.Google Scholar
12. Thornton, C., Antony, S.J., “Quasi-static Shear Deformation of a Soft Particle System”, Powder Technology, 2000, vol. 109, p.179.Google Scholar
13. Bagiz, K., “A Quasi-static Numerical Model for Micro-level Analysis of Granular Assemblies, Mechanics of Materials, 1993, vol. 16, p. 101.Google Scholar
14. Tzaferopoulos, M. A., “On a Quasi-static Discrete Element Model of Granular Materials”, Computers and Geotechnics, 1996, vol. 18, p. 145.Google Scholar
15. Kong, C.M., and Lannutti, J. J., “Localized Densification During the Compaction of Alumina Granules: The Stage I-II Transition”, J. Am. Ceram. Soc., 2000, vol. 83, no. 4, p. 685.Google Scholar
16. Martin, C. L., Shima, S., Bouvard, D., Simulation of the isostatic compaction of metallic powders by the Distinct Element Method, Intelligent Processing and Manufacturing of Materials, IPMM 2001, July 29 - August 3, 2001, Vancouver.Google Scholar
17. Heyliger, P.R., and McMeeking, R. M., “Cold Plastic Compaction of Powders by a Network Nodel”, J. Mech. Phys. Solids, 2001, vol. 49, no. 9, p. 2031.Google Scholar
18. Lin, C. L. and Miller, J. D., “Pore Structure and Network Analysis of Filter Cake”, Chemical Engineering Journal, 2000, Vol. 80, p. 221.Google Scholar
19. Redanz, P., and Fleck, N. A., “The Compaction of a Random Distribution of Metal Cylinders by the Discrete Element Method”Google Scholar
20. Fischmeister, H.F., Arzt, E., and Olsson, L.R., “Particle Deformation and Sliding During Compaction of Spherical Powders”: A Study by Quantitative Metallography”, Powder Metallurgy, 21, 179–187, 1978 Google Scholar
21. Mesarovic, S., and Fleck, N., “Frictionless Indentation of Dissimilar Elastic-plastic Spheres”, Int. J. of Solids and Structures 37 (2000) 7071–709.Google Scholar
22. Benson, D. J., “An Analysis by Direct Simulation of the Effects of Particle Morphology on the Shock Consolidation of Copper Powder”, Model. Simul. Mater. Sci. Eng. 2, 1994, 535–550.Google Scholar