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THE EFFECT OF NITROGEN CURRENT ON THE DRILLING OF AISI 316L DUPLEX STAINLESS STEEL BY PULSED LASER | ||
| AL-TAQANI | ||
| Article 1, Volume 26, Issue 2, 2013, Pages 0-0 | ||
| Authors | ||
| Audy Mahmood Abdulhusain; Adnan Shamkhy Jabur | ||
| Abstract | ||
| In this research, the effect of (6 bar) pressurized Nitrogen gas current, when it is applied from bottom; on the increasing the efficiency of drilling process of AISI 316 L by Nd-YAG pulsed laser was studied. It was found that, the pressurized gas has an effective role in improvement of drilling process in both increasing the holes depth and diameter and decreasing the pulses number required for running out the holes, in addition to the cleaning and regularity of internal walls of holes. The pressurized gas current forces the liquid metal outside the hole before solidification that give these effects | ||
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