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Hydronalium (6493 views - Material Database)

Hydronalium is a family of aluminium-magnesium alloys. It is an alloy predominantly of aluminium, with between 1%-12% of magnesium as the primary alloying ingredient. It also includes a secondary addition of manganese, usually between 0.4%-1%. The Hydronalium alloys originated in Germany in the 1930s and are best known, at least by that name, in Eastern Europe. They were widely used for shipbuilding in Poland. There are a large number of alloys within this family, one standard reference listing over twenty.
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Hydronalium

Hydronalium

Hydronalium

Licensed under Creative Commons Attribution-Share Alike 3.0 (Witkowski Marcin).

Hydronalium is a family of aluminium-magnesium alloys. It is an alloy predominantly of aluminium, with between 1%-12% of magnesium as the primary alloying ingredient. It also includes a secondary addition of manganese, usually between 0.4%-1%.

The Hydronalium alloys originated in Germany in the 1930s[1][2] and are best known, at least by that name, in Eastern Europe. They were widely used for shipbuilding in Poland.

There are a large number of alloys within this family, one standard reference listing over twenty.[3]

Mechanical properties
Alloy Hardening Tensile strength Yield strength Elongation (%) Hardness (Brinell)
Hydronalium 2[3] Soft 193 MPa (28,000 psi) 90 MPa (13,000 psi) 30 47
Hard 290 MPa (42,000 psi) 255 MPa (37,000 psi) 8 77

Applications

The alloy family is noted for its resistance to seawater corrosion.[3] As such it is used in sheet form for boatbuilding and light shipbuilding. As castings it is used for marine fittings. The reliable strength of some grades is sufficient for aerospace use and so they are used for wetted components of seaplane aircraft, such as floats[2] and propellers, where marine corrosion resistance is also needed.

Some variants of the alloy are ductile enough to be drawn into wire. This, combined with their resistance to corrosion by salty sweat, has led to an application for violin strings as an alternative to silver.[4]

See also


鋁鎳鈷合金Aluminium-lithium alloyArsenical copperBirmabright杜拉鋁玻璃HiduminiumMercury塑料Plexiglas不鏽鋼钢结构Italma镁铝合金鋁合金Y alloy伍德合金Rose's metalChromium hydrideNichromeMegalliumStellite維塔立合金Beryllium copperBillon (alloy)黃銅Calamine brassChinese silverDutch metalGilding metalMuntz metalPinchbeck (alloy)Tombac青铜Aluminium bronzeArsenical bronzeBell metalFlorentine bronzeGlucydurGuanín (bronze)GunmetalPhosphor bronzeOrmoluSpeculum metal康銅氢化亚铜Copper–tungstenCorinthian bronzeCunife白铜Cymbal alloysDevarda's alloy琥珀金HepatizonManganinMelchior (alloy)Nickel silverMolybdochalkos北歐金ShakudōTumbagaAlGaGalfenolGalinstan白金 (合金)銠金礦Crown goldElinvarField's metalFernicoFerroalloyFerroceriumFerrochromeFerromanganeseFerromolybdenumFerrosiliconFerrotitaniumFerrouranium不變鋼铸铁Iron–hydrogen alloy生鐵Kanthal (alloy)KovarStaballoySpiegeleisenBulat steelCrucible steel41xx steel大馬士革鋼Mangalloy高速鋼Mushet steel马氏体时效钢High-strength low-alloy steelReynolds 531电工钢Spring steelAL-6XNCelestriumAlloy 20Marine grade stainless马氏体不锈钢Sanicro 28Surgical stainless steelZeron 100Silver steelTool steel耐候钢烏茲鋼銲料TerneType metalElektron (alloy)汞齊Magnox (alloy)AlumelBrightrayChromelHaynes International英高鎳合金MonelNicrosilNisilNickel titaniumΜ合金透磁合金超導磁率合金Nickel hydridePlutonium–gallium alloy钠钾合金MischmetalTerfenol-DPseudo palladiumScandium hydride釤鈷磁鐵Argentium sterling silverBritannia silverDoré bullionGoloidPlatinum sterlingShibuichiSterling silverTibetan silverTi Beta-C.Titanium alloy氢化钛Gum metalTitanium gold氮化钛巴氏合金Britannia metalPewterQueen's metalWhite metal氢化铀ZamakZirconium hydride甲烷Mezzanine原子

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