Effects of laser irradiation on iron loss reduction for Fe–3%Si grain-oriented silicon steel
作者： Muneyuki Imafuku , Hiroshi Suzuki , Koichi Akita , Keiji Iwata , Masahiro Fujikura
DOI: 10.1016/J.ACTAMAT.2004.10.040
关键词: Electrical steel 、 Vickers hardness test 、 Materials science 、 Irradiation 、 Laser 、 Metallurgy 、 Deformation (engineering) 、 Residual stress 、 Ultimate tensile strength 、 Laser power scaling
摘要: The effects of laser irradiation on iron loss reduction for Fe-3%Si grain-oriented silicon steel sheet were investigated. local tensile residual stress states near the irradiated cavity lines observed by using new X-ray measurement method a single crystal. Although higher power induced larger stresses, minimum was obtained at medium conditions about 100-200 MPa. increase Vickers hardness with increasing power, which mark plastic deformations irradiation. reduces eddy current and deformation increases hysteresis material. total is determined balance these two
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