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Journal of Dental Research
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Determination of Visco-elastic Properties of Dental Polymers by Mechanical Impedance Measurements

R.L. Clarke

Dental School of The London Hospital Medical College, University of London, London E1 2AD, England

M. Braden

Dental School of The London Hospital Medical College, University of London, London E1 2AD, England

A mechanical impedance method has been used to determine visco-elastic properties, namely, Young's Modulus (E) and the mechanical loss tangent (Tan {delta}), at a nominal temperature of 23° C and over the frequency range 0.02 - 20 k Hz. This method involves longitudinal wave propagation in a rod of material, and measuring resonant frequencies and half-band widths. Both glassy and elastomeric polymers have been studied, and data have been compared with low frequency and static data.

REFERENCES

  • Oglesby, P.L.: Viscoelastic Behavior in Dental Materials Research, Special Publication, Dickson, G. and Cassel, J.M., Eds., National Bureau of Standards, 354:127-144, 1972.
  • Myerson, R.L.: Low Frequency Determination of Mechanical Properties in Dental Materials Research, Special Publication, Dickson, G. and Cassel, J.M., Eds., National Bureau of Standards, 354:145-160, 1972.
  • Braden, M. and Stafford, G.D.: Visco-elastic Properties of Some Denture Base Materials, J Dent Res 47:519-523, 1968.[Abstract/Free Full Text]
  • Barsby, M.J. and Braden, M.: A Hydrophilic Denture Base Resin, J Dent Res 58:1581-1584, 1979.[Free Full Text]
  • Braden, M. and Clarke, R.L.: Visco-elastic Properties of Some Soft Lining Materials, J Dent Res 51:1525-1528, 1972.[Abstract/Free Full Text]
  • Whiting, R. and Jacobsen, P.H.: Dynamic Mechanical Properties of Resin Based Filling Materials, J Dent Res 59: 55-60, 1980.[Abstract/Free Full Text]
  • Ferry, J.D.: Visco-elastic Properties of Polymers, 2nd ed., New York: John Wiley & Sons, Inc., 1969, p. 295.
  • Instructions and Applications, Brüel and Kjaer, Eds., Copenhagen, Denmark: Orboe Print, 1972.
  • Kolsky, H.: Stress Waves in Solids, Oxford: Clarendon Press, 1953, p. 118.
  • 'Perspex' Acrylic Materials Properties, Lancashire, England ICI Publication, 1970, p. 6.
  • Becker, G.W.: Advanced Experimental Methods for Mechanical Properties of Polymers, Materie Plastiche ed Elastomeri 35:1387, 1969.
  • Braden, M.; Causton, B.E.; and Clarke, R.L.: An Ethylene Imine Derivative as a Temporary Crown and Bridge Material, J Dent Res 50:536-541, 1971.[Abstract/Free Full Text]
  • McLachlan, N.W.: Complex Variable Theory and Transfer Calculus, 2nd ed., Cambridge: Cambridge University Press, 1955, pp. 182-183.
  • Causton, B.E.: Personal communication.
  • van Handel, A.B.: Lining for Artificial Dentures. United States Patent, Number 3, 785, 054. 1974.

Journal of Dental Research, Vol. 61, No. 11, 1245-1249 (1982)
DOI: 10.1177/00220345820610110801
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This Article
Right arrow Abstract Freely available
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Right arrow Citation Map
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Add to Saved Citations
Right arrow Download to citation manager
Right arrowRequest Permissions
Right arrow Request Reprints
Right arrow Add to My Marked Citations
Citing Articles
Right arrow Citing Articles via Google Scholar
Right arrow Citing Articles via Scopus
Google Scholar
Right arrow Articles by Clarke, R.L.
Right arrow Articles by Braden, M.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Clarke, R.L.
Right arrow Articles by Braden, M.
Right arrowPubmed/NCBI databases
*Substance via MeSH
Social Bookmarking
Add to CiteULike   Add to Complore   Add to Connotea   Add to Del.icio.us   Add to Digg   Add to Reddit   Add to Technorati   Add to Twitter  
What's this?