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《Microfabrication Technology》 2008-04
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Experimental Research on Fiber Laser Micro-cutting Co-Cr Tube

JIANG Mao-hua,ZHAI Li-bin,CHEN Ji-min(Institute of Laser Engineering,Beijing University of Technology,Beijing 100022,China)  
The fiber laser is used to cut Co-Cr alloy cannula by changing of the aid-air, air pressure,pulse width and cutting speech in order to view the actions of the cut quality.Then the frequency tripled Nd∶YAG laser is applied to cut the same material and the two cutting results were compared.It is found that using Ar or N2 as aid-air is better than using compress air,there is a best air pressure exit,the more reduce of the pulse width the better,and there is a nonlinear inverse ratio between the cutting rate and the width of cutting.And it is also found that frequency tripled Nd∶YAG laser is better than fiber laser when use for micro-cutting.
【Fund】: 国家自然科学基金资助项目(50575005)
【CateGory Index】: TN248
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