id	keyword
fumecheng-7366	friction
fumecheng-7366	bronze
fumecheng-7366	particles
fumecheng-7366	matrix
fumecheng-7366	aluminum
fumecheng-7366	coefficient
fumecheng-7366	wear
fumecheng-7366	fig
fumecheng-7366	carbide
fumecheng-7366	boron
fumecheng-7366	material
fumecheng-7366	composite
fumecheng-7366	sample
fumecheng-7366	b4c