Table 1.

Elemental composition (percentage fraction by weight) and mass density (p) of the four hip prostheses materials used in this study

Co‐Cr‐Mo Alloy $\mathit{\text{Ti}}\hspace{0.17em}\rho \hspace{0.17em}=\hspace{0.17em}8.20\hspace{0.17em}(g/{\mathit{\text{cm}}}^3)$		Stainless Steel $\rho \hspace{0.17em}=\hspace{0.17em}6.45\hspace{0.17em}(g/{\mathit{\text{cm}}}^3)$		Ti‐alloy $\rho \hspace{0.17em}=\hspace{0.17em}4.48\hspace{0.17em}(g/{\mathit{\text{cm}}}^3)$		Ti $\rho \hspace{0.17em}=\hspace{0.17em}4.506\hspace{0.17em}(g/{\mathit{\text{cm}}}^3)$
Element	${\mathit{\text{WF}}}^{\mathrm{a}}\hspace{0.17em}(\%)$	Element	WF (%)	Element	WF (%)	Element	WF (%)
Co	61.90	Fe	62.72	Ti	89.17	Ti	100
Cr	28.00	Cr	21.00	Al	6.20
Mo	6.00	Ni	9.00	V	4.00
Mn	1.00	Mn	3.60	Fe	0.30
Si	1.00	Mo	2.5	O	0.20
Fe	1.00	Si	0.75	C	0.08
Ni	0.75	N	0.43	N	0.05
C	0.35

^aWF = weight fraction.