Rust and paint stripping from power transmission towers with a pulsed Nd:YAG laser

Shu-ichi Ashidate; Minoru Obara

doi:10.1117/12.270177

4 April 1997 Rust and paint stripping from power transmission towers with a pulsed Nd:YAG laser

Shu-ichi Ashidate, Minoru Obara

Proceedings Volume 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1997) https://doi.org/10.1117/12.270177
Event: XI International Symposium on Gas Flow and Chemical Lasers and High Power Laser Conference, 1996, Edinburgh, United Kingdom

Abstract

The possibility of the rust and paint removal from the power transmission towers was investigated with the pulsed Nd:YAG laser for the first time. The red rust and paint were successfully removed without damaging underlying Zn(zinc) galvanized steel substrates. The optimum irradiated laser fluence for the red rust was found from 0.3 J/cm² to 0.4 J/cm² for 9 ns short pulses, from 1.0 J/cm² to 4.4 J/cm² for 200 ns long pulses, respectively. For the paint stripping the optimum ranged from 3.3 J/cm² to 4.4 J/cm² with the pulse width of 200 ns.

Citation Download Citation

Shu-ichi Ashidate and Minoru Obara "Rust and paint stripping from power transmission towers with a pulsed Nd:YAG laser", Proc. SPIE 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (4 April 1997); https://doi.org/10.1117/12.270177

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