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Effect of Irradiation Parameters on Morphology of Polishing DF2 (AISI-O1) Surface by Nd:YAG Laser

DOI: 10.1155/2007/51316

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Pulse Nd:YAG laser was used to polish DF2 cold work steel. Influence of irradiation parameters on the 3D surface morphology was studied by 3D profilometer, scanning electron microscopy (SEM), and atomic force microscope (AFM). Results among the tests showed when DF2 specimens were irradiated with parameters of (i) laser input energy P=1 J, (ii) pulse feedrate=300 mm/min, (iii) pulse duration (PD) =3 milliseconds, and (iv) pulse frequency f=20∼25 Hz, laser polishing of DF2 cold work steel seemed to be successful.


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