Statistical Model for the Mechanical Properties of Al-Cu-Mg-Ag Alloys at High Temperatures

Table 5

Mechanical properties at room and high temperatures for each aging condition of all four alloys.

Alloy number	Testing temp. (°C)	Yield strength (MPa)		Ultimate tensile strength (UTS) (MPa)
		Underaged	Peak-aged	Underaged	Peak-aged
1	20°C	305	420	412	480
	190°C	315	350	354	372
	250°C	250	247	260	247
2	20°C	260	275	366	385
	190°C	250	210	310	237
	250°C	200	190	214	195
3	20°C	265	310	352	359
	190°C	190	250	220	271
	250°C	190	185	201	195
4	20°C	300	400	405	447
	190°C	295	320	320	341
	250°C	200	210	220	245