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thorium-magnesium alloy

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  • Magnesium alloy — Figure 1: Number of scientific articles which have terms AZ91 or AZ31 in the abstract. Magnesium alloys are mixtures of magnesium with other metals (called an alloy), often aluminium, zinc, manganese, silicon, copper, rare earths and zirc …   Wikipedia

  • Magnesium — Not to be confused with Manganese. sodium ← magnesium → aluminium Be ↑ Mg ↓ Ca …   Wikipedia

  • thorium processing — Introduction       preparation of the ore for use in various products.       Thorium (Th) is a dense (11.7 grams per cubic centimetre), silvery metal that is softer than steel. It has a high melting temperature of approximately 1,750° C (3,180°… …   Universalium

  • magnesium processing — Introduction       preparation of the ore for use in various products.       Magnesium (Mg) is a silvery white metal that is similar in appearance to aluminum but weighs one third less. With a density of only 1.738 grams per cubic centimetre, it… …   Universalium

  • Elektron (alloy) — Elektron is the registered trademark of Magnesium Elektron Limited for a range of magnesium alloys. The alloys include varying amounts of zirconium, thorium, zinc, or rare earth metals. Different variants of the alloy exhibit properties such as… …   Wikipedia

  • Mag-Thor — is the common name for a range of magnesium alloys containing thorium that are used in aerospace engineering. These alloys commonly contain manganese and zinc, but there are other combinations known. Some common alloys are named HK31, HM21, HM31 …   Wikipedia

  • Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …   Wikipedia

  • Windscale fire — The Windscale Piles (centre and right) in 1985. The Windscale fire of 10 October 1957 was the worst nuclear accident in Great Britain s history, ranked in severity at level 5 on the 7 point International Nuclear Event Scale.[1] The two piles had… …   Wikipedia

  • Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG …   Wikipedia

  • rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

  • chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

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