Research Article

Friction Performance Optimization of Chemically Deposited Ni-P-W Coating Using Taguchi Method

Figure 4

SEM image (a) as deposited, (b) annealed at 400°C, (c) annealed at 500°C, (d) annealed at 600°C.
136740.fig.004a
(a)
136740.fig.004b
(b)
136740.fig.004c
(c)
136740.fig.004d
(d)