Shot Peening Techniques for Springs

Author:  Kumar Balan
Source:  The Shot Peener magazine, Vol 21 / Issue 1, Winter 2007
Doc ID:  2007003
Year of Publication:  2007
Abstract:  
A flat piece of leaf spring has, since the days of the blacksmith, received continued impacts of the hammer long after cooling down in temperature. Though the blacksmith didn't always realize the effects of his actions, it is now known that the life of this leaf spring is enhanced by upwards of 600% by such an action!