A femtosecond laser is a type of ultrashort-pulse laser. Femtosecond laser irradiation induces highpressure plasma and shock waves at the surface of a target. Under some irradiation conditions, such shock waves are enough to deform the target plastically. Laser peen forming is a type of sheet metal
Flattening of sheet metal by laser forming
β Scribed by Takashi Ueda; Eisuke Sentoku; Yoshihiro Wakimura; Akira Hosokawa
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 838 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0143-8166
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Laser forming is a thermal process for the deformation of sheet metal by thermal stress. Temperature distribution is the most important factor for determining the bending angle of the sheet metal. In the present study, the combined effect of the temperature of the workpiece, the temperature gradient
The transient deformation of thin grade 304 stainless steel metal sheets heated by a single pulse of a CO2 laser beam is simulated in this paper. The laser beam is assumed to be line-shaped and the problem is treated as three-dimensional thermo-elastoplastic. The temperature ΓΏeld, deformation patter