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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 />

Sharp P.K. and Clark G., <str<strong>on</strong>g>The</str<strong>on</strong>g> <str<strong>on</strong>g>Effect</str<strong>on</strong>g> <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Peening</str<strong>on</strong>g> <strong>on</strong> <strong>the</strong> <strong>Fatigue</strong> <strong>Life</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> <strong>Aluminium</strong> <strong>Alloy</strong>s, <str<strong>on</strong>g>The</str<strong>on</strong>g><br />

9 th Internati<strong>on</strong>al C<strong>on</strong>gress <strong>on</strong> Fracture, Sydney, 1997<br />

Sharp P.K., Barter S.A. and Clark G., Localised <strong>Life</strong> Extensi<strong>on</strong> Specificati<strong>on</strong> for <strong>the</strong> F/A-18<br />

Y470 X19 Pocket, DSTO-TN-0279, May 2000<br />

Shot <str<strong>on</strong>g>Peening</str<strong>on</strong>g> Applicati<strong>on</strong>s, Metal Improvements Company Inc, Seventh Editi<strong>on</strong><br />

Smith T.R, FS 488 Bulkhead Shot Peen Coup<strong>on</strong> Test Program, MDA F/A-18 Project<br />

Presentati<strong>on</strong>, November 1990<br />

Stanier .M., FS488 Bulkhead Polishing During Incorporati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> AFC44 and AFC129, TFP 399<br />

pt13 (81), August 1990<br />

Ward E.J SQNLDR, Shot <str<strong>on</strong>g>Peening</str<strong>on</strong>g> <str<strong>on</strong>g>of</str<strong>on</strong>g> <strong>the</strong> Y488 Bulkhead, STL 2506/3/1-2-2 TECH, ,<br />

ENGMECHSTL Report #72, January 1991<br />

Ward E.J SQNLDR, Y488 Bulkhead Shot peening and IVD Coating, STL 2506/3/1-2-2 TECH,<br />

ENGMECHSTL Report #90, May 1991<br />

Ward E.J SQNLDR, Y488 Bulkhead Shot peening and IVD Coating, STL 2506/3/1-2-2 TECH,<br />

ENGMECHSTL Report #98, July 1991<br />

Was G.S. and Pelloux R.M., <str<strong>on</strong>g>The</str<strong>on</strong>g> <str<strong>on</strong>g>Effect</str<strong>on</strong>g> <str<strong>on</strong>g>of</str<strong>on</strong>g> Shot <str<strong>on</strong>g>Peening</str<strong>on</strong>g> <strong>on</strong> <strong>the</strong> <strong>Fatigue</strong> Behaviour <str<strong>on</strong>g>of</str<strong>on</strong>g> <strong>Alloy</strong><br />

7075-T6, Met. Trans. A, 10A, May 1979, pp656-658<br />

7. Acknowledgments<br />

<str<strong>on</strong>g>The</str<strong>on</strong>g> authors would like to thank a number <str<strong>on</strong>g>of</str<strong>on</strong>g> people and organisati<strong>on</strong>s for <strong>the</strong>ir assistance in<br />

<strong>the</strong> programs discussed in this report.<br />

1. Christina Jacques-Olss<strong>on</strong> (MPD) and M<strong>on</strong>ash University Department <str<strong>on</strong>g>of</str<strong>on</strong>g> Physics for <strong>the</strong><br />

residual stress analysis.<br />

2. ASTA Military Services (Aval<strong>on</strong>) and Hunter Aviati<strong>on</strong> and Engineering Services<br />

(Williamtown) for specimen preparati<strong>on</strong> and allowing access to <strong>the</strong>ir facilities.<br />

3. Rohan Byrnes, Nick Athiniotis and Sim<strong>on</strong> Barter for <strong>the</strong>ir work over <strong>the</strong> years which has<br />

c<strong>on</strong>tributed to this report.<br />

4. Dr John Clayt<strong>on</strong> was involved in all <str<strong>on</strong>g>of</str<strong>on</strong>g> <strong>the</strong> early phases <str<strong>on</strong>g>of</str<strong>on</strong>g> this work.<br />

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