Metals (6/10/15)

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  • Created by: Sophie
  • Created on: 26-12-15 20:29
List some advantages of metals
High tensile & compressive strength, high stiffness, ductile, recyclable
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List some disadvantages of metals
High cost, potential corrosion risk, vulnerable to fire
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Manufacturing process of metals?
Extracted, heated to seperate from oxides, then metal is tapped off and reheated to shape
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A negative characteristic of metals?
corrosion: rapid surface oxidation
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Briefly explain metallic bonding?
Free elections move around the area
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What are properties of HCP crystal forms?
Hexagonal close packed crystals
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What are properties of FCC crystal forms?
An atom in each corner, and one central to each face
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What are POINT IMPERFECTIONS?
They occur as the result of a vacancy or impurity within the crystal lattice
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Forcing crstal bonds to move past the yield point does what?
Causes a dislocation of the crystal, making it brittle BUT STRONGER
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What does rapidly cooling metals produce?
A finer grained strucuture
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Stress=
Load/Area
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Strain=
CHANGE IN LOAD/ORIGINAL LENGTH
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What is plasticity?
Non-recoverable deformation
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Cyclic Loading?
stress
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Other cards in this set

Card 2

Front

List some disadvantages of metals

Back

High cost, potential corrosion risk, vulnerable to fire

Card 3

Front

Manufacturing process of metals?

Back

Preview of the front of card 3

Card 4

Front

A negative characteristic of metals?

Back

Preview of the front of card 4

Card 5

Front

Briefly explain metallic bonding?

Back

Preview of the front of card 5
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