Fluxless recovery of metallic aluminum from wastes

Formation of fluoride type carrier precipitate

Formation of intermetallic compound dispersions in liquid metal

Formation of precipitates in presence of inorganic compounds

Forming objects of circular cross-section

Foundry processes and metallurgical addition agents therefor

Fractional crystallization process

Freeze refining method

Fuel compositions and processes for their use in...

Fuel supply control to the reaction shaft in the operation...

Fume recovery system in the carbothermic production of...

Furnace charge treating method

Furnace for electrolytic production of aluminum

Furnace for electrothermic production of zinc

Furnace installation for the pyrometallurgical treatment of...

Furnace-plasma arc torch-supervisory control system for...

Further improvements in tungsten recovery