what is gold aluminium and silver aluminium.?
Answers
Answer:
A gold–aluminium intermetallic is an intermetallic compound of gold and aluminium that occurs at contacts between the two metals. ... AuAl2 is the most stable thermally of the Au–Al intermetallic compounds, with a melting point of 1060 °C (see phase diagram), similar to that of pure gold.
silver aluminium:Aluminum-silver is one of numerous high purity alloysmanufactured by American Elements. ... American Elements can produce aluminum-silver alloy in various standard ratios of Al:Ag such as 90:10; custom alloy compositions are also available.
Answer:
Precious metals are rare, naturally occurring metallic chemical elements of high economic value. Chemically, the precious metals tend to be less reactive than most elements (see noble metal). They are usually ductile and have a high lustre. Historically, precious metals were important as currency but are now regarded mainly as investment and industrial commodities. Gold, silver, platinum, and palladium