This precaution is not necessary, unless the alloy contains a metal requiring a high temperature for its fusion, as, for instance, copper or iron. In alloys oontaining tin, however, a laler of ...
WE have made X-ray diagrams of aluminium-copper alloys (5 per cent Cu) age-hardened at various temperatures (25°–200° C.) ; the samples were composed of large crystals, and the radiation was ...
Even steel — a hard alloy of iron with traces of carbon ... from food acids and cleaning chemicals — unlike aluminum and copper — and doesn’t contaminate or taint any food that it ...