Effect of Deposition Time on the Morphological Features and Corrosion Resistance of Electroless Ni-High P Coatings on Aluminium
Table 3
Measured hardness values of the coating deposited for different durations.
Coating time
Hardness (Hv)
Mean
Range
Base material
43
42–44
15 minutes
72.5
66–77
30 minutes
78.2
74–86
1 hour
94.7
87–102
2 hours
125
116–145
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