Frontiers Abstracts

Development and Experimental Validation of an Advanced Nonlinear, Rate-Dependent Constitutive Model for Polyether Ether Ketone (PEEK)

[+] Author and Article Information
Sam Chow

Veryst Engineering
Needham, MA

Manuscript received September 23, 2013; final manuscript received October 24, 2013; published online December 5, 2013. Editor: Gerald E. Miller.

J. Med. Devices 7(4), 040908 (Dec 05, 2013) (1 page) Paper No: MED-13-1223; doi: 10.1115/1.4025831 History: Received September 23, 2013; Revised October 24, 2013

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Bergstrom, J. S., and Bischoff, J. E., 2010, “An Advanced Thermomechanical Constitutive Model for UHMWPE,” Int. J. of Structural. Changes in Solids, 2(1), pp. 31–39.
Arruda, E. M., and Boyce, M. C., 1993, “A Three-Dimensional Constitutive Model for the Large Stretch Behavior of Rubber Elastic Materials,” J. Mech. Phys. Solids, 41(2), pp. 389–412. [CrossRef]


Grahic Jump Location
Fig. 1

Measured (solid lines) stress-strain data for PEEK and predictions (dashed) lines for the calibrated TNM. The final set of parameters are shown on the right (units are N, mm, K, s).

Grahic Jump Location
Fig. 2

Experimental validation using small punch test




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