Table 1 Composition and wear test summary for the Ti_1−xAu_x alloys.

x	Phase-determined		Ti_1−xAu_x disc		Diamond-SiC disc
x	from TEM	from XRD	Wear volume (mm³)	Wear type	Wear volume (mm³)	Wear type
0	Reference (commercial specimen)		0.038	Abrasive, adhesive	0.183	Adhesive
0.25	β-Ti₃Au	β-Ti₃Au + α-Ti₃Au + α-Ti	0.012	Abrasive, adhesive	0.163	Abrasive, adhesive
0.33	β-Ti₃Au + β-TiAu	α-Ti₃Au + β-Ti₃Au + β-TiAu	0.010	Abrasive, adhesive	0.153	Adhesive
0.50	β-TiAu + α-Ti	β-TiAu + α-Ti + α-Ti₃Au	0.017	Adhesive	0.093	Adhesive