How to find modulus of elasticity from stress-strain curve?
Understand the Problem
The question is asking how to determine the modulus of elasticity based on a stress-strain curve. This involves understanding the relationship between stress (force per unit area) and strain (deformation) in a material to calculate the slope of the linear portion of the curve.
Answer
The modulus of elasticity is the slope of the linear portion of a stress-strain curve, representing the change in stress divided by the change in strain.
The modulus of elasticity is the slope of the linear portion of a stress-strain curve, calculated as the change in stress divided by the change in strain in the elastic region.
Answer for screen readers
The modulus of elasticity is the slope of the linear portion of a stress-strain curve, calculated as the change in stress divided by the change in strain in the elastic region.
More Information
Young's modulus, or the modulus of elasticity, is a fundamental mechanical property that measures a material's stiffness. It is crucial in engineering and materials science for designing structures and selecting materials.
Tips
Ensure you only consider the linear portion of the stress-strain curve to avoid inaccuracies due to plastic deformation.
Sources
- Modulus of Elasticity - Instron - instron.com
- Calculating Young's Modulus from a Stress/Strain Graph - physicsforums.com
- How to Calculate Young's Modulus - Xometry - xometry.com
