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

Figure 13

(a–e) Worn surface analysis of composites at 20 N loads: (a) Cu–2MWCNT, (b) Cu–2MWCNT–0.5B₄C, (c) Cu–2MWCNT–1.0B₄C, (d) Cu–2MWCNT–1.5B₄C, (e) Cu–2MWCNT–2.0B₄C, and (f) EDAX for Cu–2MWCNT–2.0B₄C.

(a)

(b)

(c)

(d)

(e)

(f)