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          Metallurgical Effect

          source:Original    time:2016-09-14     Pageviews:9549

          Electromagnetic stirrer different mounting positions for different blank shape metallurgical results achieved are different.

          In terms of the radius of the blank:

          * Mold electromagnetic stirring almost all projects have a role, and therefore the most used.
          * Solidification - EMS - EMS generally used in conjunction with special needs to improve in high alloy steel, high carbon steel center segregation and center when using the maximum shrinkage.
          *, So the same with very little but not as mold electromagnetic stirring and mold electromagnetic stirring in the secondary cooling zone.
          On the slab in terms of:
          * Mold electromagnetic stirring effect of generous than small slab of less than 4 obvious, can effectively improve the surface quality of the slab, the internal inclusions and bubbles.
          * Casting mold electromagnetic flow control (including electromagnetic brake, electromagnetic acceleration, deceleration electromagnetic, FC Mold) all have a role Precursor Form, can significantly improve the surface quality of the slab, the internal inclusions and bubbles.
          * Secondary cooling zone of electromagnetic stirring using the most suitable slab linear mixing method, a substantial increase in the range of stirring, which can be very significant improvement in the slab internal cracks, center segregation, a substantial increase equiaxed rate, so the most used.

          A low magnification photograph:

                 No agitation (billet)                   have stirred (Billet)                     without stirring (billet) 

                   A stirring (Billet)                       was stirred (round billet)          with a stirring (Round Billet) 

             Without stirring (round billet)      with a stirring (round billet end)   with a stirring (round billet end)

                          No agitation (slab)                                              A stirring (slab secondary cooling zone) 

                A stirring (slab secondary cooling zone)
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