Uneven Precipitation Behavior during the Solutionizing Course of Al-Cu-Mn Alloys and Their Contribution to High Temperature Strength

Table 3

Tension properties at 25°C and 300°C of the studied alloys T6 tempered.

Alloy		UTS (MPa)	YS (MPa)	Elongation (%)
A1	25°C	153 ± 4.0	66 ± 2.0	8.4 ± 1.7
	300°C	53 ± 3.3	44 ± 2.9	11 ± 6.0
A2	25°C	369 ± 22.0	248 ± 4.5	6.26 ± 0.8
	300°C	116 ± 11.0	96 ± 11.0	8.3 ± 4.5
A3	25°C	323 ± 8.0	303 ± 3.0	1.08 ± 0.28
	300°C	134 ± 5.4	101 ± 4.5	10 ± 3.6