Improvement of the Core Loss of SiFe by Optimizing the Operation Conditions of the Laser Scribing

Seung Joon Ahn; Chul Geun Park; J.S. Lim; K.H. Baik; Dae Wook Kim; Ho Seob Kim; Seung Joon Ahn

doi:10.4028/www.scientific.net/MSF.510-511.194

Paper Titles

In-Situ Joining of Combustion Synthesized Ni-Al Alloys with Al Casting Alloy
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Evaluation of Microstructure on SiC_p/AZ91 Magnesium Composite Fabricated by Rotation-Cylinder Method
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Sliding Friction and Wear Properties of Composite Reinforced by Mullite
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Enhancement of the Characteristics of the ALD HfO₂Film by Using the High-Pressure D₂ Annealing
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Improvement of the Core Loss of SiFe by Optimizing the Operation Conditions of the Laser Scribing
p.194

Nanocrystalline Structure of Organic Photoconducting Materials Derived by Microwave Recrystallization Method
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Microstructures and Wear Properties of Al Matrix Composites Fabricated by Two Different Processes
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Dispersion Stability of Ni Nanoparticles in Ethanol with Poly (1-Vinyl-2-Pyrrolidone)
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Effect of Heat Treatment on Microstructure, Tensile Properties and Damping Capacity of Mg-Zr Wrought Alloy
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HomeMaterials Science ForumMaterials Science Forum Vols. 510-511Improvement of the Core Loss of SiFe by Optimizing...

Improvement of the Core Loss of SiFe by Optimizing the Operation Conditions of the Laser Scribing

Abstract:

The magnetic domain refinement was carried out by laser pulse scribing in order to reduce the core loss of SiFe. The laser pulses were generated by a Q-switched Nd:YAG laser, and the optical frequencies of the laser pulses were altered by using the SHG and the THG. The core losses were measured and analyzed to find optimal parameters of the laser treatment. The laser beam was focused with a spot size of 0.2 mm, and pulse energy of 10~30 mJ and the lines were scribed with a period of ~5 mm. The core loss was improved up to 19 % with the THG of Q-switched Nd:YAG laser in 3% SiFe.