They analyzed, in particular, how to regulate the discharge of oxygen from the quartz crucible into the silicon melt during the silicon growth phase in a Czochralski (CZ) puller, which is commonly ...

Resistance heating is commonly used with aluminum and copper alloys. Vacuum induction melting (VIM) uses an induction heating source within a sealed, air-evacuated chamber. Often, crucibles that ...

God, Zangwill claimed, was using America as “a crucible” to melt the “fifty” barbarian tribes of Europe into a metal from which He can cast Americans. Today, the melting pot metaphor is ...

Arc melting furnace can melt metals and alloys at over 3000°C with the aid of the electric arc between the non-consumable tungsten electrode and the copper crucible. Therefore, the arc furnace is a ...

The crucibles employed should be thoroughly cleaned ... it having been found that castings of bronze and brass give, at the second melting (when the proportions of the metal are correct), a ...

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