Laser micro-milling under a thin and flowing water layer: A new concept of liquid-assisted laser machining process
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Publication Details
Author list: Wuttisarn T., Tangwarodomnukun V., Dumkum C.
Publisher: SAGE Publications
Publication year: 2016
Journal: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture (0954-4054)
Volume number: 230
Issue number: 2
Start page: 376
End page: 380
Number of pages: 5
ISSN: 0954-4054
eISSN: 2041-2975
Languages: English-Great Britain (EN-GB)
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Abstract
This study proposes a new laser micro-milling technique for minimizing the thermal damage and gaining a higher material removal rate than using the laser alone. A low-pressure waterjet was used to impinge on the workpiece surface in order to form a thin water film, where the laser ablation was made underneath the water layer created. According to the findings, the presented technique can introduce a great reduction in heat-affected zone and significantly increase the cavity depth compared to the other laser milling processes. Experimental analyses and potential use of this new machining technique were also given and discussed. ฉ IMechE 2014.
Keywords
Milling, Underwater
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