Tribological behavior of Ti-6Al-4V and Ti-6Al-7Nb Alloys for Total Hip Prosthesis

Table 1

Chemical composition, hardness, and microstructure of the metallic materials studied.

Ti	C	Mo	Ta	Fe	Al	Nb	V
Ti-6Al-7Nb
Bal	0.004	0.005	0.46	0.10	6.2	7.4	—
Hardness: 340 ± 10 HV				Microstructure: 80% α—20% β
Ti-6Al-4V
Bal	0.03	0.01	—	0.10	6.7	—	4.2
Hardness: 360 ± 10 HV				Microstructure: 80% α—20% β