Transcript File - Portfolio for Devon Rood

Chad Allen, Devon Rood, Kurt Core
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Connects the aileron
to plane.
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Light weight
Hardest Aluminum alloy
High fatigue strength
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7000 series aluminum contains zinc as the
primary alloying element.
T6 meaning it is heat treated and furnace aged
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Alloying elements:
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Zinc-5.6%
Magnesium-2.6%
Copper-1.6%
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Impurities:
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Iron-0.5%
Silicon-0.4%
Manganese-0.3%
Chromium-0.26%
Aluminum-88.74 (remainder)
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Tensile strength 83 KSI
Yield Strength 73 KSI
Brinell hardness-172
Rockwell B-87
Fatigue strength 23 KSI(500,000,000 cycles)
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Heat treated and furnace aged
Salt bath
Cold water quench
Rolled threads
http://www.youtube.com/watch?v=kidWBey
OMA0
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Aerospace bolts are not normally made of 7075T6 aluminum
There is a thin invisible oxide that prevents the
metal from oxidization
Zinc lowers the corrosive resistance.