The Effect of Peening on the Fatigue Life of 7050 Aluminium Alloy
The Effect of Peening on the Fatigue Life of 7050 Aluminium Alloy
The Effect of Peening on the Fatigue Life of 7050 Aluminium Alloy
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DSTO-RR-0208<br />
Figure 2: A graph illustrating <strong>the</strong> effect <str<strong>on</strong>g>of</str<strong>on</strong>g> surface finish <strong>on</strong> <strong>the</strong> endurance <str<strong>on</strong>g>of</str<strong>on</strong>g> aluminium material<br />
(ESDU, 1992). Cross - unpeened (curve 1), Open circle - peened [12-16A] (curve 2),<br />
Solid triangle - peened [16-20A] (curve 3), Open triangle - peened [8-10C] (curve 4).<br />
Note a “C” Almen strip is almost twice as thick as an “A” Almen strip, see Appendix 1.<br />
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