Effect of water flow direction on cut features in the laser milling of titanium alloy under a water layer

Conference proceedings article

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Publication Details

Author list: Tevinpibanphan O., Tangwarodomnukun V., Dumkum C.

Publisher: Trans Tech Publications

Publication year: 2016

Volume number: 872

Start page: 18

End page: 22

Number of pages: 5

ISBN: 9783038357353

ISSN: 0255-5476

eISSN: 1662-9752

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84988614878&doi=10.4028%2fwww.scientific.net%2fMSF.872.18&partnerID=40&md5=7a69dc3554fb0574d6fe594466ce794b

Languages: English-Great Britain (EN-GB)

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Abstract

Laser ablation under a flowing water layer can reduce thermal damage in work material and also provide a better machining performance than processing in ambient air. However, there is still a lack of insight into a more complicated process like laser milling operation in water. Besides the laser parameters, the roles of water flow direction on the cut geometries need to be elucidated to realize the viability and reliability of the laser milling process in water. This study is for the first time to reveal the effects of water flow direction on the cavity dimensions and cut surface roughness in the laser milling process performed under a flowing water layer. Titanium alloy was used as a work sample in this study. The experimental results indicated that the laser beam should travel in the same direction of water flow to provide a uniform cavity depth and smooth milled surface. ฉ 2016 Trans Tech Publications, Switzerland.

Keywords

Flow, Laser, Milling, titanium, Water