Analysis of the plastic deformation of AISI 304 steel induced by the nanosecond laser pulse

The paper presents result of experimental and numerical tests of plastic deformation of austenitic steel generated by a nanosecond laser pulse. The shock wave generated by the laser pulse was used to induce local plastic deformation of the material. The study examined the possibility of using the pr...

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Bibliographic Details
Published in:Optics and laser technology 2017-05, Vol.90, p.165-173
Main Authors: Moćko, W., Radziejewska, J., Sarzyński, A., Strzelec, M., Marczak, J.
Format: Article
Language:English
Subjects:
Austenitic stainless steels
Deformation
Deformation effects
High strain rate
Laser pulse
Lasers
Mathematical models
Microstructure
Nanostructure
Numerical simulations
Plastic deformation
Plastic deformations
Simulation
Steels
Strain rate
Temperature effects
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Summary:The paper presents result of experimental and numerical tests of plastic deformation of austenitic steel generated by a nanosecond laser pulse. The shock wave generated by the laser pulse was used to induce local plastic deformation of the material. The study examined the possibility of using the process to develop a laser forming of materials under ultra-high strain rate. It has been shown that the laser pulse with intensity 2.5GW/cm2 induces a repeatable plastic deformation of commercially available 304 steel without thermal effects on the surface. •Plastic deformation was determined experimentally and numerically.•Nanosecond laser pulse induces shock wave propagating through specimen.•Despite very high pressure pulse plastic strain is relatively low (
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2016.11.022