Posco Co., Ltd

Jung-Moon Kang

Se-Min Park

Seong-Cheol Hong

Ki-Young Min

Chang-Ho Kim

Hyun-Chul Park

Won-Gul Lee

Dong-geun Kim

Oho-Cheal Kwon

A foreign substance collecting apparatus according to one embodiment of the present disclosure may comprise: a collection body unit formed with a suction port through which air including foreign substances flows in and a discharge port through which air removed of the foreign substances is discharged; and a mixing unit provided inside the collection body unit and disposed on a flow passage of the air, and forming a vortex in washing water contained therein by inducing a rotary flow of the air.

Foreign substance collecting apparatus and electrical steel sheet manufacturing facility including same

A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transverse direction of the groove and the rolling surface normal direction of the steel sheet, and a length of the gradient section (GS) and the length of the uniform section (US) satisfy Equation 1 below.0.1≤[GSL]/[USL]≤0.5  [Equation 1]

Grain-oriented electrical steel sheet and magnetic domain refinement method thereof

Growing community of inventors

Pohang-si, South Korea

Jung-Moon Kang