- aluminothermic processes
- • алуминотермия• термитен окис
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo … Wikipedia
chromium processing — Introduction preparation of the ore for use in various products. Chromium (Cr) is a brilliant, hard, refractory metal that melts at 1,857° C (3,375° F) and boils at 2,672° C (4,842° F). In the pure state, it is resistant to ordinary… … Universalium
welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved … Universalium
vanadium processing — Introduction preparation of the metal for use in various products. Vanadium (V) is a grayish silver metal whose crystal structure is a body centred cubic (bcc) lattice, with a melting point of 1,926° C (3,499° F). The metal is used… … Universalium
Cobalt extraction techniques — Cobalt ore Several methods exist for the separation of cobalt from copper and nickel. They depend on the concentration of cobalt and the exact composition of the used ore. Contents … Wikipedia
Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta … Wikipedia
Thermite — is a pyrotechnic composition of aluminium powder and a metal oxide which produces an aluminothermic reaction known as a thermite reaction. It is not explosive, but can create short bursts of extremely high temperatures focused on a very small… … Wikipedia
Cobalt — This article is about the metal. For other uses, see Cobalt (disambiguation). iron ← cobalt → nickel ↑ Co ↓ Rh … Wikipedia
Stainless steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) … Wikipedia
Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W … Wikipedia