ARC-Slag Remelting of Steel and Alloys

[david-smith]

ARC-Slag Remelting of Steel and Alloys

Author: B I Medovar (Author), V Ya Saenko (Author), G M Grigorenko (Author), Yu M Pomarin (Author), V I Kumysh (Author) | Size: 6 MB | Format: PDF | Quality: Original preprint | Publisher: Cambridge International Science Publishi | Year: 1997 | pages: 160 | ISBN: 1898326215-978-1898326212

The book describes the method of remelting consumable electrodes with an electric are burning between the surface of a liquid slag bath and a consumable electrode in a water-cooled copper mould. The method combines the possibilities of treatment of liquid metal with the electric arc in the gas atmosphere and the liquid slag and the advantages of plasma-arc and electro slag remelting. The technological possibilities, design features of melting systems and results of experimental and industrial melting trials of steels and alloys are described. In addition to remelting structural steels, special attention is given to the possibility of alloying the metal with nitrogen from the gas phase, without using expensive nitrogen-bearing nonmetallic compounds, e.g. silicon nitride. It is shown that arc slag remelting can also be used efficiently in producing ingots of titanium and its alloys. The results obtained in this method are compared with electro slag remelting and plasma arc remelting. Data on energy consumption and metal quality are also presented.

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