From: Effect of Mechanical Surface Treatment on the Bonding Mechanism and Properties of Cold-Rolled Cu/Al Clad Plate
Polishing methods
VRDG
PRDG
90° CG
RWBG
Area ratio of Al
30.76% ± 3.5
44.04% ± 4.1
31.23% ± 3.2
24.54% ± 2.3