Electronics Incorporated - The Shot Peener - Shot Peening Library
Title: Extending the Fatigue Life of Bridges Using Stressonic Needle Peening
Author: Sylvain Forgues, Shockform Incorporated
Source: TSP Vol 21 / Issue 4, Fall 2007
Publication year 2007
Document number: 2007025
Number of pages: 3
Abstract:
CONCLUSION
Stressonic needle peening is a great technique to re-establish or extend the life of bridges and other welded structures. The best and most cost-effective approach is to
needle peen the welds during the initial fabrication or as a preventative measure before degradation becomes too significant.
The StressVoyager is a clean, easy-to-use and very effective tool to increase fatigue life. Testing of welded structure has shown that it provides deep compressive residual
stresses and a significant fatigue life improvement.
Used to either prolong the useful life of bridges or to safeguard against ever increasing loads, needle peening is a cost effective technique to increase the safety of our
aging infrastructures.
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This page last revised: 04/24/2008