different types of brass must contain varying amounts of copper and zinc copper typically in highest...
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Brass Hole
By Robbie Pham
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What is Brass?
•Different types of Brass
•Must contain varying amounts of copper and zinc
•Copper typically in highest quantity
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•Properties of brass include:▫Characteristic gold color▫Malleable (hammered into sheets)▫Resistant to corrosion▫Acoustic properties (musical instruments)▫Nonmagnetic
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•Different elements added to change properties of brass▫Tin or aluminum
( harder and corrosion resistant)
▫Combinations of aluminum, iron, silicon, and manganese for wear and tear resistance
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Brass in Time•Very difficult to make due to melting point
of zinc•Copper was ground and melted with ores
containing zinc•Used in:
▫Jewelry▫Helmets▫Coins▫Church decorations and mirrors▫Clocks▫Navigational aids
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•Brazen bull was torture device that took advantage of heat conducting properties of brass
•Set of tubes and pipes could be used to make screams seem like cow sounds
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Brass Today
•Easily manufactured
•Fittings (bolts and nuts)
•Fixtures (doorknobs, locks) ▫Doorknobs in
hospitals because bacteria die within eight hours
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• Rifle cartridges• Musical instruments