http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
저출력 펄스 레이저를 이용한 도장면의 클리닝시 빔의 중첩에 따른 클리닝 특성에 관한 연구(Ⅱ) - 펄스 중첩률에 따른 클리닝부의 특성 분석 -
김지언(Ji-Eon Kim),송무근(Moo-Keun Song),이종명(Jong-Myoung Lee),현정훈(Jeong-Hun Hyun),김종도(Jong-Do Kim) 대한용접·접합학회 2019 대한용접·접합학회지 Vol.37 No.5
Laser cleaning technologies have been attracting attention as a solution to the environmental problems caused by pre-treatment processes, but there are very few studies on the removal of paint using laser cleaning. In this study, laser cleaning was performed on steel painted with shop primer and epoxy paint using a Q-switching fiber laser, and the characteristics of the laser cleaned surfaces was compared in relation to the pulse overlap rate, as a main parameter. Experimental results showed that the number of scans to remove the paint decreased as the pulse overlap rate increased. At pulse overlap rates of 20 % and 50 %, the oxide layer was not removed from the surface. However, when the pulse overlap rate was increased to 70%, the oxide layer was completely removed. In addition, damage of the base material was reduced when the pulse overlap rate was increased, more precise laser cleaning was possible.