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Quiz "metal: alloys"

metal: alloys

an alloy containing not less than 92.5 per cent of silver, the remainder usually being copper

metal: alloys

an alloy of copper (60 per cent) and nickel (40 per cent). It has a high resistivity that does not vary significantly with temperature and is used in resistors and, with copper, in thermocouples

metal: alloys

any of various silvery corrosion-resistant alloys containing copper (28 per cent), nickel (67 per cent), and smaller quantities of such metals as iron, manganese, and aluminium

metal: alloys

any of various alloys based on iron containing carbon (usually 0.1–1.7 per cent) and often small quantities of other elements such as phosphorus, sulphur, manganese, chromium, and nickel. Steels exhibit a variety of properties, such as strength, machinability, malleability, etc, depending on their composition and the way they have been treated

metal: alloys

any of various nickel-based alloys used at high temperatures, as in gas turbine blades
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