BRAINCAKEOther Stress-Strain Curves
Steel is ductile and has a high tensile strength.
Glass is stiff and strong but not tough.
Glass is brittle not ductile.
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Key terms in this lesson
- Spring constant
- The force per unit extension needed to stretch a spring, equal to the gradient of a force-extension graph while Hooke's law is obeyed.
- Tensile stress
- The force applied to a material divided by its cross-sectional area.
- Ultimate tensile stress
- The maximum stress a material can withstand before it begins to fail; also called the breaking stress.
- Plastic deformation
- Deformation of a material beyond its elastic limit, so that it does not return to its original shape or length when the load is removed.
More in Materials
- Tensile Strain
- Young Modulus
- Stress-Strain Graph for Metal Wire
- Definitions
- Loading and Unloading
- Strain Energy
- Polythene
- Rubber
All 18 lessons in Materials · All AQA AS-level Physics topics