Primary characterization of micro holes on super alloy by percussion of millisecond pulse laser
Authors
Jiahong Wang, Yang Sheng, Guohao Cheng, Qiang Zhu, Yunlong Wang
Corresponding Author
Jiahong Wang
Available Online November 2015.
- DOI
- 10.2991/icmmita-15.2015.321How to use a DOI?
- Keywords
- Laser drilling; micro hole; millisecond pulse laser; percussion; super alloy
- Abstract
Micro holes were formed on GH4169 super alloy using a millisecond pulse Nd:YAG laser with a average power of 65J and positive defocus of 3mm from the sample surface. The microstructure of the micro hole including morphology and elements composition were analyzed using Scanning Electron microscopy (SEM), and Energy Dispersive X-ray Spectrometer (EDS) .The results indicate that the diameter of holes is about 330 ?m with relatively high roundness. The elements composition of the area near the hole surface are different. It shows gradually increasing of O element content and decreasing of Fe element content from the substrate to the area near the hole surface.
- Copyright
- © 2015, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Jiahong Wang AU - Yang Sheng AU - Guohao Cheng AU - Qiang Zhu AU - Yunlong Wang PY - 2015/11 DA - 2015/11 TI - Primary characterization of micro holes on super alloy by percussion of millisecond pulse laser BT - Proceedings of the 2015 3rd International Conference on Machinery, Materials and Information Technology Applications PB - Atlantis Press SP - 1732 EP - 1735 SN - 2352-538X UR - https://doi.org/10.2991/icmmita-15.2015.321 DO - 10.2991/icmmita-15.2015.321 ID - Wang2015/11 ER -