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Transcript of Metallurgy
What is METALLURGY?
Beginnings of Metallurgy
Use of Metallurgy in History
Nicole Gonzales and Janine Ganan
1. the technique or science of working or heating metals so as to give them certain desired shapes or properties.
2.the technique or science of making and compounding alloys.
3. the technique or science of separating metals from their ores.
How Metallurgy is used today
Copper mines 4000 BC in the Balkans
3800 BC Sinai peninsula
Melting metals requires:
Indus Valley 2500 BC
Shang Dynasty 1500 BC
Iron Age 1500 BC
Discovery of Steel
11th Century BC
Cast Iron 513 BC
Getting rid of impurities
1. a substance composed of two or more metals, or of a metal or metals with a nonmetal, intimately mixed, as by fusion or electrodeposition.
2. a less costly metal mixed with a more valuable one.
The Copper Alloys Tree
Iron alloy contains 2-4% carbon
used for construction
Molten state of metal
The First Iron Bridge - Abraham Darby (1709)
The Reverberatory Furnace
Advances in metallurgy made suspension bridges (like the Golden Gate Bridge) possible.
Construction of guns
Metallurgy is important because it allows us to make and have stronger tools and other stuff that make life easier.
1. Name 2 (copper) alloys
2. What's so great about Metallurgy?
3. What's so great about (AP) Chem?