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Fiber Laser Welding of 0.5 mm Thick Stainless Steel

From World Lasers, Inc.
 

 

Fiber lasers are penetrating the precision laser processing market rapidly due to the many advantages of this type of laser; this is particularly true for precision laser welding. Most precision welded parts require very high quality but relatively low penetration welds typically less than 0.5 mm thick. The average power required to weld this thickness of material for small medical components is relatively low, mostly less than 100 watts.

This work shows an evaluation of welds produced on 0.5mm thick, type 304, Stainless Steel - a material widely used in the medical device field. Metallographic examination of these welds shows them to be very high quality with very smooth spatter-free top beads. Weld shape is shown to be controlled primarily by weld speed.

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