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Journal of Materials Science

, Volume 29, Issue 10, pp 2683–2690 | Cite as

Viscoelastic behaviour of macro-defect-free cement

  • Tun -Jen Chu
  • R. E. Robertson
Papers

Abstract

The viscoelastic behaviour of macro-defect-free (MDF) cement was studied by dynamic mechanical analysis. MDF specimens with various moisture contents in the range 1.70%–3.20% moisture, were measured at 1 Hz as a function of temperature from 34–96 °C and as a function of frequency from 0.05–5 Hz at 34°C. The viscoelasticity of MDF was found to be affected by moisture content through its plasticizing effect on the PVA binder. Time-moisture and temperature-moisture superposition of the shear moduli were found to be possible for MDF, and linear relationships between log time and linear moisture and between temperature and moisture were found. How the microstructure of MDF affects the viscoelastic response is also discussed through mechanical models. A comparison of the models with known experimental data suggests that the viscoelastic response arises from both direct connections between the inorganic particles and from connections through the polymer binder. Inorganic links are estimated to connect 45% of the inorganic phase.

Keywords

Polymer Microstructure Experimental Data Linear Relationship Material Processing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    J. D. Birchall, A. J. Howard and K. Kendall, Nature 289 (1981) 388.CrossRefGoogle Scholar
  2. 2.
    W. Sinclair and G. W. Groves, J. Mater. Sci. 20 (1985) 2846.CrossRefGoogle Scholar
  3. 3.
    C. S. Poon, L. E. Wassell and G. W. Groves, Mater. Sci. Technol. 4 (1988) 993.Google Scholar
  4. 4.
    C. M. Cannon and G. W. Groves, J. Mater. Sci. 21 (1986), 4009.CrossRefGoogle Scholar
  5. 5.
    N. B. Eden and J. E. Bailey, ibid. 19 (1984) 2677.CrossRefGoogle Scholar
  6. 6.
    K. Toyoshima, in “Polyvinyl Alcohol”, edited by C. A. Finch (Wiley, London, 1973) 339.Google Scholar
  7. 7.
    J. D. Birchall, Phil. Trans. R. Soc. Lond. A301 (1983) 31.CrossRefGoogle Scholar
  8. 8.
    S. A. Rodger, A. S. Brooks, W. Sinclair, G. W. Groves and D. D. Double, J. Mater. Sci. 20 (1985) 2853.CrossRefGoogle Scholar
  9. 9.
    D. M. Roy, Science 235 (1987) 651.CrossRefGoogle Scholar
  10. 10.
    R. N. Edmonds and A. J. Majumdar, J. Mater. Sci. 24 (1989) 3813.CrossRefGoogle Scholar
  11. 11.
    O. O. Popoola, W. M. Kriven and J. F. Young, J. Am. Ceram. Soc. 74 (1991) 1928.CrossRefGoogle Scholar
  12. 12.
    N. G. McCrum, B. E. Read and G. Williams, “Anelastic and Dielectric Effects in Polymeric Solids” edited by R. F. Gould (Wiley, London, 1967).Google Scholar
  13. 13.
    J. D. Ferry, “Viscoelastic Properties of Polymers”, 3rd Edn. (Wiley, New York, 1980).Google Scholar
  14. 14.
    M. C. Shen and A. V. Tobolsky, in “Plasticization and Plasticizer Processes”, Advances in Chemistry Series 48 (American Chemical Society, Washington, D.C., 1965) p. 27.CrossRefGoogle Scholar
  15. 15.
    L. E. Nielsen, “Mechanical Properties of Polymers and Composites”, Vol. 2 (Marcel Dekker, New York, 1974).Google Scholar
  16. 16.
    J. A. Manson and L. H. Sperling, “Polymer Blends and Composites” (Plenum Press, New York, 1976).CrossRefGoogle Scholar
  17. 17.
    R. A. Dickie, in “Polymer Engineering Composites”, edited by M. O. W. Richardson (Applied Science, London, 1977) p. 155.Google Scholar
  18. 18.
    L. E. Nielsen, “Predicting the Properties of Mixtures: Mixture Rules in Science and Engineering” (Marcel Dekker, New York, 1978).Google Scholar
  19. 19.
    K. K. Chawla, “Composite Materials” (Springer, New York, 1987).CrossRefGoogle Scholar
  20. 20.
    P. L. Pratt, in Microstructural Development During Hydration of Cement, “Materials Research Society Symposium Proceedings, Vol. 85” edited by L. J. Struble and P. W. Brown (The Material Research Society, Pittsburgh, PA, 1987) p. 145.Google Scholar
  21. 21.
    J. A. Lewis and W. M. Kriven, MRS Bull. 18(3) (1993) 72.CrossRefGoogle Scholar

Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • Tun -Jen Chu
    • 1
  • R. E. Robertson
    • 1
  1. 1.Macromolecular Science and Engineering Center, and Department of Materials Science and EngineeringThe University of MichiganAnn ArborUSA

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