Journal of Materials Science

, Volume 12, Issue 9, pp 1853–1856 | Cite as

The strength of acrylic bone cements and acrylic cement-stainless steel interfaces

Part 2 The shear strength of an acrylic cement-stainless steel interface
  • P. W. R. Beaumont
  • B. Plumpton


The mechanical behaviour of a joint made from two dissimilar materials is determined in part by the transfer of stress across the interface between the components. A technique involving a shear lag analysis and pull-out experiments on stainless steel rods which have been embedded in a surgical acrylic bone “cement” has been used to evaluate the shear strength and shear modulus of a stainless steel-acrylic bone “cement” interface. The interfacial shear strength is then compared with a theoretical estimation of the shear stresses acting upon a femoral hip prosthesis-acrylic bone “cement” interface. Trapped blood between the stainless steel and acrylic bone “cement” was found to decrease the shear strength and shear modulus of the interface significantly.


Polymer Stainless Steel Shear Stress Shear Strength Shear Modulus 
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  1. 1.
    L. B. Greszczuk, ASTM STP452 (1969) 42.Google Scholar
  2. 2.
    P. W. R. Beaumont andR. J. Young, “Plastics in Medicine and Surgery”, (Plastic and Rubber Institute, London, 1975) 7.1.Google Scholar
  3. 3.
    G. M. McNiece andH. C. Amstutz, Proceedings of the 5th International Congress on Biomechanics, University of Jyraskyla (1975).Google Scholar

Copyright information

© Chapman and Hall Ltd 1977

Authors and Affiliations

  • P. W. R. Beaumont
    • 1
  • B. Plumpton
    • 2
  1. 1.Department of EngineeringUniversity of CambridgeCambridgeUK
  2. 2.New HallCambridgeUK

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