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Experimental study on landscape of CFRP cutting by abrasive water jet

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Journal:
排灌机械工程学报


Issue Date:
2019


Abstract(summary):

To investigate the influence of operation parameters of abrasive water jet on surface roughness of carbon fiber reinforced plastic(CFRP),experimental studies were conducted. The threedimensional landscape of cutting front was reconstructed according to the measured data by μscan laser confocal microscopy. Fourier spectral analysis was also adopted to study surface structure in detail. It is found that the morphology of cutting front is similar to that of other materials. In the smooth cutting zone,the fluctuation of amplitudes of surface profile is gentler,compared with that in the rough cutting zone. The lower part of the rough cutting zone was characterized by the periodical appearance of peaks and valleys. The roughness of surface increases with the increase of depth. While in the smooth cutting zone and part of rough cutting zone,roughness increases with the increase of traverse speed. For the thickness of samples,in the smooth cutting zone,the roughness increases with the increase of depth.The dominant harmonic component in the surface profile is concentrated in a narrow range from 0 to 10 Hz,and the relatively higher density of frequency from 10 to 50 Hz is shown in the rough cutting zone,which is caused by the interaction between perpendicular abrasive water jet and reflect jet.


Page:
895-901


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