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Questions and Answers
What type of deformation results in material permanently deforming?
What type of deformation results in material permanently deforming?
- Elastic deformation
- Plastic deformation and brittle deformation (correct)
- bssfd
- Reversible deformation
Which type of deformation involves the material breaking into pieces?
Which type of deformation involves the material breaking into pieces?
- Brittle fracture (correct)
- Reversible deformation
- Elastic deformation
- Plastic deformation
What happens to the surface area when plastic or brittle fracture occurs?
What happens to the surface area when plastic or brittle fracture occurs?
- It fluctuates
- It remains the same
- It increases (correct)
- It decreases
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Study Notes
Types of Deformation
- Plastic deformation results in material permanently deforming, meaning it does not return to its original shape after the external force is removed.
Fracture Types
- Brittle fracture involves the material breaking into pieces, often with a sudden release of energy.
Surface Area Changes
- During plastic or brittle fracture, the surface area of the material increases, as new surfaces are created when the material breaks or deforms.
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