Study on Mechanical Relaxations of 7075 (Al–Zn–Mg) and 2024 (Al–Cu–Mg) Alloys by Application of the Time-Temperature Superposition Principle

Table 2

Chemical compositions of the as-received, commercial aluminum alloys (AA) 7075-T6 and 2024-T3.

Aluminum alloy	Units	Si	Fe	Cu	Mn	Mg	Zn	Ti	Cr	Al
AA 7075-T6	wt.%	0.06	0.15	1.50	0.01	2.58	6.00	0.05	0.19	89.46
	at.%	0.06	0.08	0.67	0.01	2.99	2.59	0.03	0.10	93.48
AA 2024-T3	wt.%	0.18	0.28	4.46	0.64	1.35	0.04	0.05	0.01	92.98
	at.%	0.18	0.14	1.95	0.32	1.54	0.02	0.03	0.01	95.81