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General Science - Chemistry (Alloys):

Written By STPORTAL on Sunday, March 18, 2012 | 2:45 PM

General Science - Chemistry (Alloys):
An alloy is a combination, either in solution or compound, of two or more elements, at least one of which is a metal. Alloys are usually designed to have properties that are more desirable than those of their components. For instance, steel is stronger than iron, one of its main elements, and brass is more durable than copper, but more attractive than zinc.

Some Common Alloys:
 Aluminium 95%,copper 4%, magnesium (0.5%รข€“1%), and manganese (less than 1%).
Gun Metal
Copper 90%, Tin 10%
Iron 99 % , Carbon 1%
Stainless Steel
Iron with 0.1-2.1% carbon upto 27% chromium or 20% tunsten or 15% Nickal
Tin,Antimony & Copper
Copper, Tin and Zinc
German Silver
Copper,Zinc and Nickel
Gold & Silver
18 carat Gold
Gold 75%, Silver & copper 25%
Dentist Amalgam
70% Mercury 30% Copper
Yellow Brass
Copper 67% Zinc 33%
Iron , 15% manganese and carbon and silicon
Copper & 38% Zinc
Nickel & Chromium
Plumbers Solder
Lead and tin
Mu Metal
77% nickel, 15% iron, plus copper and molybdenum
An amalgam
refers to alloys of mercury.

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