id	keyword
fumecheng-11614	wear
fumecheng-11614	contact
fumecheng-11614	sample
fumecheng-11614	friction
fumecheng-11614	sliding
fumecheng-11614	ti6al4v
fumecheng-11614	load
fumecheng-11614	alloy
fumecheng-11614	fig
fumecheng-11614	cof
fumecheng-11614	values
fumecheng-11614	microstructure
fumecheng-11614	surface
fumecheng-11614	behavior
fumecheng-11614	influence
fumecheng-11614	coefficient
fumecheng-11614	speed