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Refractory Metal
Summary: Silver-tungsten alloy is a kind of two-phase structural pseudo-alloy composed of tungsten and silver elements, and is a metal-matrix composite material.
Summary: Tungsten-lanthanum alloy is formed by adding lanthanum oxide (La2O3) with the weight percent of 1% to 2% into tungsten to improve its creep resistance and recrystallization temperature. With fine distribution of oxide particles in its structure
Summary: The melting point of tungsten-molybdenum alloy is improved along with the increase of tungsten content. When the tungsten content is increased to 25%, the melting point of the alloy is about 200℃ higher than that of pure molybdenum.
Summary: Chemical formula: WC. Black hexagonal crystal, metal luster, high hardness similar to that of diamond, good conductor of electricity and heat. Melting point: 2,870℃; boiling point: 6,000℃; relative density: 15.63(18℃).
Summary: Tungsten-aluminum alloy is formed by mixing aluminum, potassium and other elements into tungsten substrates, is usually prepared by a self-consumable smelting method and can also be manufactured by a sintering method.
Summary: Tantalum has an extremely hard texture and the hardness of 6-6.5. Tantalum is a kind of rare metal with steel grey luster, and has the melting point of 2,980℃ and the density of 16.6g/cm3. With similar performance of niobium
Summary: Niobium is a kind of silver grey rear high-melting-point metal with relatively soft texture and ductility. At normal temperature, niobium cannot react with the air, and cannot be completely oxidized in oxygen in the red hot state.
Summary: Chromium targets produced by Achemetal Tungsten & Molybdenum Co., Ltd. include chromium plane targets and chromium-niobium rotating targets. The purity respectively includes: Cr99.5%, Cr99.7%, Cr99.8%, Cr99.9%, Cr99.95%.