Talk:Laser peening
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The 'hand-held' laser device noted in the current article is described as a tool for creating *hardness* in a workpiece. http://www.laser-zentrum-hannover.de/de/publikationen/pressemitteilungen/2006/20060928-handlaser-hardening-en.php Laser Peening is used to create a deep compressive stress in the workpiece, not harden it. Laser Hardening is typically a localized heat treatment where rapid heating and cooling of the part produces a hard surface. It's difficult to tell what the LZH tool is actually doing from the published information.
The two Laser Peening applications with the greatest commercial promise are 1) increasing fatigue life and 2) panel forming operations.
