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Slag Resistance

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Slag Resistance 

the capacity of refractory materials to resist the destructive action of molten slags. Slag resistance is determined by the loss in volume or weight of a refractory material upon the action of a slag and, in part, by the depth of penetration of the slag into the refractory material. Both static methods (dissolving of a refractory material in a fixed amount of slag) and dynamic methods (the action of a moving and removable slag) are used to determine slag resistance; a combination of the two methods may also be used. Slag resistance depends on the chemical nature of the slag and the refractory material as well as the density and structural features of the refractory material.

REFERENCE

Praktikum po tekhnologii keramiki i ogneuporov. Moscow, 1972.


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It should be noted that this scheme can operate only at a small interelectrode gap, otherwise, the slag resistance will not allow current passing even at high values of open-circuit voltage of the power source.
Then maximum change of the slag resistance during growing of the drop may be written as [DELTA]R [approximately equal to] f([h.
Then, by means of reduction of the slag resistance in this area and increase of the horizontal component, role of the latter in melting of the axle will significantly increase.
 
 
 
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