Laser peening process and apparatus

Details Laser peening process and apparatus Laser peening process and apparatus

C - Chemistry, Metallurgy

21

D

C21D 1/04 (2006.01) B05D 3/06 (2006.01) B05D 3/12 (2006.01) B23K 26/06 (2006.01) B23K 26/18 (2006.01) C21D 10/00 (2006.01) C21D 7/06 (2006.01)

Patent

CA 2188602

The invention relates to a method and apparatus for improving properties of a solid material by providing shock waves therethrough. Laser shock processing is used to provide the shock waves. The method includes applying a water based coating to a portion of the surface of the solid material and then applying a transparent overlay to the coated portion of the solid material. A pulse of coherent laser energy is directed to the coated portion of the solid material to create a shock wave. A high speed jet of fluid is directed to coated portion of the solid material at times to remove the coating from the solid material. Additionally, the method may include directing a high speed jet of fluid to the surface of the solid material to dry the solid material.

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