Plastic deformation
What Plastic deformation means in Physics A-Level, as defined for OCR.
Definition of Plastic deformation
Check what you remember
Read the wording for your board, then hide it and explain Plastic deformation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Permanent change in which the material does not return to its original shape when unloaded, because atomic planes slip past one another.
Topics that use Plastic deformation
- Mechanical properties of matter (OCR A-Level)
Related terms
- Brittle
- Ductile
- Elastic limit
- Elastic potential energy
- Force constant
- Graphical analysis of Hooke's law data
- Hooke's law
- Hooke's law behaviour
Using Plastic deformation in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge