CUED Publications database

The effect of nozzle design on laser micro-machining of M2 tool steels

M J, J and G M, R and M D H, G and W, O (2005) The effect of nozzle design on laser micro-machining of M2 tool steels. Journal of Materials Processing Technology, 160. pp. 198-212. ISSN 0924-0136

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This paper shows how computational techniques have been used to develop axi-symmetric, straight, sonic-line, minimum length micro nozzles that are suitable for laser micro-machining applications. Gas jets are used during laser micro-machining processing applications to shield the interaction zone between laser and workpiece material, and they determine the machining efficiency of such applications. The paper discusses the nature of laser-material interactions and the importance of using computational fluid dynamics to model pressure distributions in short nozzles that are used to deliver gas to the laser-material interaction zone. Experimental results are presented that highlight unique problems associated with laser micro machining using gas jets.

Item Type: Article
Divisions: Div E > Production Processes
Depositing User: Cron job
Date Deposited: 04 Feb 2015 22:42
Last Modified: 05 Feb 2015 08:13
DOI: 10.1016/j.jmatprotec.2004.05.030