The Alloy: Bronze

The make-up of bronze

• Copper(78-95%), Tin(5-22%), plus manganese, phosphorus, aluminum, or silicon.
• Bronze is a substitutional alloy

Where and When?

• The earliest evidence of the use of Bronze is in Western Asia around 3000 B.C.
• Discovered separately in China around 2000 B.C.

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Resourcefulness

• low melting point
• doesn't corrode easily
• nonmagnetic
• lighter than steel
• hard and brittle
• reddish brown color

Interesting facts

• used for springs, bearrings, automobile transmissions, and pilot bearrings

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