Establishment and Verification of Multiaxis Fatigue Life Prediction Model

Table 1

Chemical composition of 7075 aluminum alloys (mass fraction %).

Zn	Mg	Cu	Cr	Fe	Si	Mn	Ni	Al
5.1-6.1	2.1-2.9	1.2-2.0	0.180-28	≤0.50	≤0.40	≤0.30	≤0.05	Margin