Material definitions

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  • Created by: meila
  • Created on: 07-03-16 18:14
Breaking stress
Maximum tensile stress that produces a fracture
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Elastic limit
This is the maximum force a body can endure and still regain its original shape and size when the force applied is removed
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Hooke's Law
The extension of a stretched spring or wire is proportional to the force applied provided that it does not exceed the limit of proportionality
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Ductility
This is a property of a material whereby it can be permanently stretched
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Elasticity
A Material regains its original shape and size when the deforming force is removed
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Brittleness
Material cannot be permanently stretched. They break one elastic limit is exceeded
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Stiffness
The stiffness of a body is a measure of its resistance to changes in size and or shape
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Stress
Is the forced applied divided by the cross sectional area it operates over. It is the force per unit area of cross section. Pa
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Yield Point
A large extension is produced for a small increase in force. Materials showing this is said to have plastic behaviour
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Strength
Is the maximum force applied to a body before it breaks
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Strain
It is the ratio of the change in length to the original length. It can also be considered as the extension per unit length. No dimesions
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Other cards in this set

Card 2

Front

This is the maximum force a body can endure and still regain its original shape and size when the force applied is removed

Back

Elastic limit

Card 3

Front

The extension of a stretched spring or wire is proportional to the force applied provided that it does not exceed the limit of proportionality

Back

Preview of the back of card 3

Card 4

Front

This is a property of a material whereby it can be permanently stretched

Back

Preview of the back of card 4

Card 5

Front

A Material regains its original shape and size when the deforming force is removed

Back

Preview of the back of card 5
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