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Manufacturing Aspects of the StressWave™ Cold Working Process
ISSN: 0148-7191, e-ISSN: 2688-3627
Published September 08, 2003 by SAE International in United States
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The patented StressWave cold working process improves the fatigue lives of holes in metal structure by locally treating the metal prior to machining the hole. This important feature, as well as other aspects of the process, offers a number of advantages for manufacturing fatigue-resistant components and assembled structure. Existing manufacturing and assembly equipment can be retrofitted to accommodate various StressWave adaptive devices. These adaptive devices can be actively or passively controlled, work effectively over a wide range of processing speeds and production rates, and can be controlled to adjust for varying thickness of the part or assembly. The flexibility of the StressWave cold working process allows it to be used upstream of final assembly allowing order of magnitude cost reductions when compared to mandrel cold working methods.
CitationEasterbrook, E. and Sigelmann, M., "Manufacturing Aspects of the StressWave™ Cold Working Process," SAE Technical Paper 2003-01-2898, 2003, https://doi.org/10.4271/2003-01-2898.
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- Landy, M.A. Easterbrook, E.T “Lower Cost Fatigue Life Enhancement of Joints Through Upstream Cold Working with the StressWave Process” Presentation to AeroMat Conference June 2002
- Meyer, C.A. “An Evaluation of the StressWave Process on Selected Aluminum Aircraft Alloys University of Washington January 2002
- Lamb, G.J. “Fatigue Performance of an Advanced Fastener Hole Cold Working Method” Purdue University August 2002
- StressWave Technical Report Al-02A “Fatigue Testing of 2024 Aluminum Low Load Transfer Specimens” September 2002
- StressWave Technical Report AL-06 “Fatigue Testing of 0.040 inch Thick 2024-T3 Aluminum” November 2001
- StressWave Technical Report T1-01 “Fatigue Testing of Ti 6Al-4V Titanium” July 2001