Skip to main content
Log in

Control of complex forms by the density distribution during axial compaction of objects

  • Theory and the Technology of Molding of Objects
  • Published:
Powder Metallurgy and Metal Ceramics Aims and scope

Abstract

Based on the concepts of compressible-continuum mechanics, mathematical-simulation methods are developed for the axial compaction of complex objects in rigid dies. The effects of the initial density distribution, configuration of pouring, and compaction cyclograms on the finite parameters of the part are analyzed. Conditions for obtaining parts with a density distribution approaching homogenous distribution are established.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

Literature cited

  1. I. D. Radomysel'skii and E. L. Pechentkovskii, ”Effect of interaction between the mold components on the density distribution in objects made of metallic powders,” in: Theory and Practice of Compaction Processes [in Russian], Inst. of Mater. Sci. Problems, Ukr. Acad. Sci., Kiev (1976), pp. 61–65.

    Google Scholar 

  2. I. D. Radomysel'skii, M. B. Shtern, and A. K. Grabchak, ”Temperature analogy of the density distribution and flow of powder during compaction of objects of complex shapes. I. The basic equation,” Poroshk. Metall., No. 10, 82–86 (1985).

  3. I. D. Radomysel'skii, M. B. Shtern, and A. K. Grabchak, ”Temperature analogy of the density distribution and flow of powder during the compaction of objects of complex shapes. II. Effect of the scheme of compaction on the density distribution,” ibid., No. 12, 21–25 (1985).

  4. M. B. Shtern, G. G. Serdyuk, L. A. Maksimenko, et al., Phenomenological Theories of Powder Compaction [in Russian], Naukova Dumka, Kiev (1982).

    Google Scholar 

  5. G. L. Petrosyan, Plastic Deformation of Powder-Metallurgical Metals [in Russian], Metallurgiya, Moscow (1988).

    Google Scholar 

  6. B. A. Druyanov, Applied Theory of Plasticity of Porous Bodies [in Russian], Mashinostroenie, Moscow (1989).

    Google Scholar 

  7. A. M. Laptev, Criteria for the Plasticity of Porous Bodies [in Russian], Poroshk. Metall., No. 7, 12–18 (1982).

  8. O. V. Roman, E. A. Doroshkevich, L. D. Velyuga, et al., ”Application of equations of the theory of plasticity of porous bodies for the determination of stresses in steady-state processes of pressure treatment of powder-metallurgical materials,” ibid., No. 9, 15–18 (1981).

  9. I. D. Radomysel'skii, M. B. Shtern, G. G. Serdyuk, et al., ”Density distribution and compaction pressure for various schemes of densification in rigid materials,” ibid., No. 1, 9–15 (1982).

  10. A. M. Laptev, ”Deformation of a porous material in a closed matrix,” Izv. Vyssh. Uchebn. Zaved., Mashinostr., No. 7, 89–94 (1979).

  11. M. B. Shtern, ”Planar deformation of porous bodies,” Poroshk. Metall., No. 3, 7–15 (1982).

  12. G. A. Vinogradov and I. D. Radomysel'skii, Compaction and Rolling of Metallic Materials [in Russian], Mashgiz, Moscow (1963).

    Google Scholar 

Download references

Authors

Additional information

Institute of Materials-Science Problems, Ukrainian Academy of Sciences, Kiev. Translated from Poroshkovaya Metallurgiya, No. 4(364), pp. 7–12, April, 1993.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Yurchenko, E.A., Shtern, M.B. Control of complex forms by the density distribution during axial compaction of objects. Powder Metall Met Ceram 32, 286–291 (1993). https://doi.org/10.1007/BF00560011

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00560011

Keywords

Navigation