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Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, ...
A bronze is an alloy of copper and other metals, most often tin, but also aluminium and silicon. Aluminium bronzes are alloys of copper and aluminium. The content of aluminium ranges mostly between 5% and 11%.
Bronze artifacts from the Vinča culture date to 4500 BC. [108] Sumerian and Egyptian artifacts of copper and bronze alloys date to 3000 BC. [ 109 ] Egyptian Blue , or cuprorivaite (calcium copper silicate) is a synthetic pigment that contains copper and started being used in ancient Egypt around 3250 BC. [ 110 ]
Islamic Golden Age brass astrolabe Brass lectern with an eagle. Attributed to Aert van Tricht, Limburg (Netherlands), c. 1500.. Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic and chemical properties, [1] but copper typically has the larger proportion, generally 2 ⁄ 3 copper and 1 ⁄ 3 zinc.
In addition to this term's function as a compound noun, there are circumstances where noble is used as an adjective for the noun metal. A galvanic series is a hierarchy of metals (or other electrically conductive materials, including composites and semimetals ) that runs from noble to active, and allows one to predict how materials will ...
Native gold is the predominant gold mineral on the earth. It is sometimes found alloyed with silver and/or other metals, but true gold compound minerals are uncommon, mainly a handful of selenides and tellurides.
Chinese high tin bronze, Cu 31 Sn 8; Type metal, SbSn; Chinese white copper, CuNi [11] German type metal is described as breaking like glass, without bending, softer than copper, but more fusible than lead. [12]: 454 The chemical formula does not agree with the one above; however, the properties match with an intermetallic compound or an alloy ...
In chemistry, molybdenum bronze is a generic name for certain mixed oxides of molybdenum with the generic formula A x Mo y O z where A may be hydrogen, an alkali metal cation (such as Li +, Na +, K +), and Tl +.