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Slag Inclusion

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slag inclusion [′slag in′klü·zhən]
(metallurgy)
Slag entrapped in solidified metal.

slag inclusion
A nonmetallic solid material which is trapped within a weld.

Slag Inclusion 

a defect in metal intermediate and finished products made primarily by rolling or forging. Slag inclusions are elongated accumulations of nonmetallic inclusions, from several millimeters to several centimeters in length; they usually form in the metal during pouring. They are arranged in the direction of the predominant flow of the metal upon deformation (mainly, on the surface of the metal or in the adjacent layers). Slag inclusions are removed mechanically, for example, by chiseling, flame treatment, and other methods.



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The test mold pour weight must be calculated onto the pour weight and cycle time so that there is sufficient metal in the ladle after pouring the castings to produce quality test bars without slag inclusions or faded iron that will not meet specifications.
Wrought iron is prepared in bloom; the slag inclusion makes it fibrous and gives it a grainy and woody texture.
They cover component casting, cast house processes, casting hydrodynamics, heat transport during component casting and cast house processes, structure and structure formation in cast materials, microsegregation in alloys, heat treatment and plastic forming, precipitation of pores and slag inclusions during the casting process, solidification and cooling shrinkage of metals and alloys, and macrosegregation in alloys.
 
 
 
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