Effects of Hard Surface Grinding and Activation on Electroless-Nickel Plating on Cast Aluminium Alloy Substrates

Table 2

Chemical composition and hardness of Al alloy substrates.

Sample	Al	Si	Mg	Fe	Mn	Cu	Zn	Cr	Ti	BHN
AR	98.87	0.38	0.40	0.23	0.001	0.01	0.001	0.001	0.001	43.6
AC	98.44	0.32	0.29	0.16	0.001	0.01	0.001	0.001	0.001	63.8

AR: as-received Al alloy, AC: cast Al alloy, and BHN: Brinell hardness number.