Study about plasma intensity of laser derusting
- Received Date: 2012-04-28
- Accepted Date: 2012-05-10
- Available Online: 2013-01-25
Abstract: In order to monitor and control laser derusting process in real time,the light intensity of plasma was detected with a photodiode,and the light signal was transformed into voltage signal with an oscilloscope,so that the curves of peak voltage versus laser energy and laser impact number were obtained.The results show that the derusting threshold and whether the metal surface is cleaned clearly can be determined according to the tendency change of the peak voltage signal.