![]() Magnesium is used to harden it and improve corrosion resistance. The pure metal is very soft, and so does not wear well. Recent examples include the tiny 1 peseta coin issued by Spain, Humphry Davy decomposed alumina to form an aluminium-iron alloy in about 1808.Ī very 'white' corrosion resistant metal used for cheapĬoins in a number of countries, particularly in Europe where inflation had decreased The metal was first prepared by Oersted in 1825 and Wohler in 1827, although METALS AND ALLOYS USED for Coins and MedalsĪluminum (UK spelling is Aluminium) Element (Al), Atomic No. The following materials are covered in this document: (Februand March 2 1992) entitled 'World's coinage uses 24 chemical elements' they are too numerous to mention individually.Īdditional information has been gleaned from an article published in World Coin News In 1960, and I also wish to acknowledge the help of many correspondents on the newsgroup Some (but by no means all) of the informationĬame out of 'The Teach Yourself Guide to Numismatics' by C.C.Chamberlain published ![]() We also had some gallium, but somebody left it above a radiator and it melted! Zirconium and titanium for superconducting, chemical and aeronautical applications. Research into alloys of such exotic materials as niobium, hafnium, tantalum, Subject, and it is also of interest to me as my first job involved carrying out When I was at University I gave a talk to the college Science Society on the This page details the various metals and alloys that have been used for coins and Metals Used in Coins and Medals Metals Used in Coins and Medals by Tony Clayton.
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