Fiber laser micro-cutting of stainless steel sheets |
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| Authors: | M Baumeister K Dickmann T Hoult |
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| Institution: | (1) Laser Center, University of Applied Sciences Muenster (LFM), Stegerwaldstrasse 39, 48565 Steinfurt, Germany;(2) SPI, 3 Wellington Park, Tollbar Way Hedge End, Southampton, SO30 2QU, UK |
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| Abstract: | The authors report on laser micro-cutting results for stainless steel foils with the aid of a 100 W fiber laser. This novel laser source combines a high output power in relation to conventional laser sources for micro-processing applications with an excellent beam quality (M2=1.1). Different material thicknesses were evaluated (100 μm to 300 μm). Processing was carried out with cw operation of the laser source, and with nitrogen and oxygen as assisting gases. Besides the high processing rate of oxygen assisted cutting, a better cutting performance in terms of a lower kerf width was obtained. PACS 42.82.Cr; 42.62.Cf; 81.05.Bx |
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