Table 1.

Material properties

Material	Young’s modulus (MPa)	Poisson’s ratio	Yield strength (MPa)a
CoCr	210000	0.3	600/600
PEEK-Optima®	3700	0.362	117/90
UHMWPE	1100	0.42	n/a
PMMA	2866	0.3	97/40
Femur	1–20000	0.3	n/a
CoCr-PMMA Interface	5732/57.32/151.36a	n/a	70/2.1/8
PEEK-PMMA Interface	5732/57.32/151.36a	n/a	70/2.1/4

^aCompressive/Tensile/(Shear)