Dispersion Hardened Platinum and Gold Alloys for Electrical Applications

The development of 990 gold — titanium: Its production, use and properties

“…Research with a view to developing new materials, which would allow the manufacture of such jewellery, had been an objective of the International Gold Corporation Ltd. (Intergold) since 1974, when a study of composites of gold with up to one per cent of various oxides was carried out in association with Engelhard Industries as an extension of earlier studies made by this corporation [1] and by others [2][3][4]. The composites were made by conventional powder metallurgy techniques and a number of their relevant physical properties were recorded [5].…”