Physics A-Level
Ultimate tensile stress
What Ultimate tensile stress means in Physics A-Level, as defined for AQA.
Definition of Ultimate tensile stress
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Reference: AQA
The maximum stress the material can withstand before necking, distinct from the stress at which it fractures.
Topics that use Ultimate tensile stress
- Bulk properties of solids (AQA A-Level)
Related terms
- Breaking stress
- Brittle versus ductile force–extension graphs
- Conservation of energy
- Conservation of energy in mechanical systems
- Density
- Dissipation of energy during plastic deformation
- Elastic limit
- Elastic potential energy stored in deformed materials
Using Ultimate tensile stress in the exam
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