Fabrication of micro holes with high surface quality and mechanical properties by high-speed laser trepanning and electrochemical post-treatment
Xiaolong Liu,
Yufeng Wang,
Yong Yang
et al.
Abstract:Laser processing could drill micro holes with very high efficiency, but the micro holes suffer from recast layers, microcracks and heat-affected zones, which has limited its wide application in engineering. In this paper, the high-speed laser drilling and electrochemical post-treatment has been combined to improve the machining efficiency and surface quality. To reduce the surface sputtering and redeposit in laser drilling, avoid the stray current induced corrosion and improve the machining precision in electr… Show more
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