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- 진동자를 이용한 하이브리드 극초단 펄스 레이저 초정밀가공시스템 개발 및 Cu-Zn합금 응용
- 최원석, 윤지욱, 조성학, 강명창
- Development of Vibration Assisted Hybrid Femtosecond Laser Ultra-precision Machining System and Cu-Zn alloy Application
- Won-Suk Choi, Ji-Wook Yoon, Sung-Hak Cho, Myung-Chang Kang
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Journal of Powder Materials 2013;20(4):308-312
DOI: https://doi.org/10.4150/KPMI.2013.20.4.308
1한국기계연구원 나노공정장비연구실
2한국기계연구원 나노공정장비연구실
3한국기계연구원 나노공정장비연구실
4부산대학교 하이브리드소재솔루션 국가핵심센터(NCRC)
1Nano Machining Lab., KIMM (Korea Institute of Machinery & Materials)
2Nano Machining Lab., KIMM (Korea Institute of Machinery & Materials)
3Nano Machining Lab., KIMM (Korea Institute of Machinery & Materials)
4National Core Research Center for Hybrid Materials Solution, Pusan National University
2한국기계연구원 나노공정장비연구실
3한국기계연구원 나노공정장비연구실
4부산대학교 하이브리드소재솔루션 국가핵심센터(NCRC)
1Nano Machining Lab., KIMM (Korea Institute of Machinery & Materials)
2Nano Machining Lab., KIMM (Korea Institute of Machinery & Materials)
3Nano Machining Lab., KIMM (Korea Institute of Machinery & Materials)
4National Core Research Center for Hybrid Materials Solution, Pusan National University
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Abstract
In this paper, we describe experiment results using a vibration assisted hybrid femtosecond laser (lambda:795 nm) ultra-precision machining system. The hybrid system we have developed is possible that optical focal point of the femtosecond laser constantly and frequently within the range of PZT(piezoactuator) vibrator working distance. Using the hybrid system, We have experimented on brass and studied about differences of result of hole aspect ratio compare to general experiment setup of femtosecond laser system. Aspect ratio of a micro hole on brass is increased as 54% with 100 Hz vibration frequency and surface roughness of the side wall also improved compare to non-vibration.
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