Correlation of Grain Size, Stacking Fault Energy, and Texture in Cu-Al Alloys Deformed under Simulated Rolling Conditions

Table 2

Heat treatments employed to achieve three grain sizes for all materials; is the precold deformation in plane strain compression given to the materials before annealing for the small grain sizes.

Materials	Grain size
	10–15 µm	60–80 µm	240–270 µm
Copper	Step  1: = 0.75; Step  2: 460°C, 3/4 hours	750°C, 3/4 hours	950°C, 1 hour
Cu-Al alloy; 1%Al	Step  1: = 0.4; Step  2: 380°C, 2 hours	As received	850°C, 1 hour
Cu-Al alloy; 2%Al	Step  1: = 0.45; Step  2: 380°C, 2 hours	As received	850°C, 1 hour
Cu-Al alloy; 4.7%Al	Step  1: = 0.55; Step  2: 380°C, 2 hours	As received	850°C, 1 hour
Cu-Al alloy; 7.1%Al	Step  1: = 0.6; Step  2: 380°C, 2 hours	As received	850°C, 1 hour