Higher Precision Forming by Laser Peening under Pre-Bending Die


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The mechanism of laser peening forming was analyzed and the precision of laser peening forming was tested by experiments. In the experiments, the parameters of Nd: Glass laser were as following: the wavelength 1.06μm, the pulse duration 23 ns, the output power 32 J. The material of sample was aeronautic aluminum alloy LY12CZ, and its size was 150mm×90mm×3.5mm. The sample surface was coated with black paint and flowing water curtain served as overlay. The curvature radius of pre-bending die was 500mm. The shape of deformed plate after laser peening was measured. The experimental data indicate that the curvature radius of specimen after laser peening under elastic pre-bending state is 1872.13mm, and the maximum difference value in the R direction is 0.79mm. Comparing with the traditional forming processes, it is a high-precision forming technology.



Advanced Materials Research (Volumes 97-101)

Edited by:

Zhengyi Jiang and Chunliang Zhang




X. Q. Zhang et al., "Higher Precision Forming by Laser Peening under Pre-Bending Die", Advanced Materials Research, Vols. 97-101, pp. 3870-3874, 2010

Online since:

March 2010




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