Aluminum 6061T6

1
Aluminum 6061-T6

• Christian Bushnell
• Joshua Higgins
• Eric Lemont
• Harold Mason
• Christopher Michaud
• Josh Quint

2
Presentation Format

• Climbing Cams
• Examine Trigger
• Material Selection
• Aluminum 6061-T6 Properties
• How it is made?
• Other applications

3
Climbing Cams

• Cams are inserted in crevices while climbing and
  act as holds
  
• They are an environmentally friendly alternative
  to punching holes

4
Trigger

• Function- Beam with distributed load and two
  point loads
  
• Objective- High strength, low cost
• Constraints- High fracture toughness, low density

5
Examining Graphs

• Strength vs. Relative cost
• Factoring in fracture toughness aluminum alloys
  come out on top

6
1000 Series

• 99 pure aluminum
• Weak
• Good conductor
• Ductile
• Aluminum foil

7
2000 Series

• 4 Copper
• Poor corrosion resistance
• Used in aircraft and rivets

8
3000 Series

• 1 Manganese
• Ductile
• Corrosion resistant
• Used in roofing panel and cookware

9
4000 Series

• Aluminum plus Silicon
• Low melting point
• Used in welding wire

10
5000 Series

• 3 Magnesium plus 0.5 Manganese
• Strong
• Able to be work hardened
• Resistant to corrosion in a marine atmosphere
• Used in cans

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6000 Series

• Aluminum plus Magnesium and Manganese
• Good Formability
• Corrosion resistant
• Medium strength
• 6061 is the most versitile

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7000 Series

• Aluminum plus 6 zinc, Magnesium and Manganese
• Very strong
• Used in aircraft

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Aluminum 6061-T6

• Composition
• Copper 0.15 to 0.4
• Silicon 0.4 to 0.8
• Iron 0.7
• Manganese 0.15
• Magnesium 0.8 to 1.2
• Zinc 0.25
• Chromium 0.4 to 0.35
• Titanium 0.15

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Properties

• Density 2.7g/cm3
• Ultimate Tensile Strength 310 Mpa
• Tensile Yield Strength 275 Mpa
• Elongation at break 12
• Modulus of Elasticity 69 Gpa
• Melting Point 582C to 652C
• Fatigue strength 95 Mpa
• Fracture Toughness 29 Mpa x m.5
• Poissons Ratio 0.33

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How it is made

• Aluminum and alloying elements are mixed at high
  temperatures
  
• Aged for 8 hours at 350 F then air cooled, this
  is what makes it T-6 tempered

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Other Applications

• Bar ends
• Bicycle sprockets

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Other Applications

• Knifes
• Rims

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References

• http//www.hystergear.com/hyster/Product.
• http//www.suppliersonline.com/research/property/m
  etals/555.asp
  
• http//www.victoriatire.com/
• http//www.gx.starvedrockoutfitters.com/