Electrical Resistivity, Tribological Behaviour of Multiwalled Carbon Nanotubes and Nanoboron Carbide Particles Reinforced Copper Hybrid Composites for Pantograph Application

Figure 11

(a–h) Variation of coefficient of friction with load.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)