Home
Back
Young's Modulus Equation:
| From: | To: |
Young's Modulus (also known as the modulus of elasticity) is a measure of the stiffness of a solid material. It defines the relationship between stress (force per unit area) and strain (proportional deformation) in a material in the linear elasticity regime of a uniaxial deformation.
The calculator uses the Young's Modulus equation:
Where:
Explanation: Young's Modulus quantifies how much a material will deform under a given load. A higher modulus indicates a stiffer material that deforms less under the same stress.
Details: Young's Modulus is crucial in engineering design, material selection, and structural analysis. It helps engineers predict how materials will behave under different loading conditions and ensures structural integrity and safety.
Tips: Enter stress in Pascals (Pa) and strain as a dimensionless value. Both values must be positive numbers. Strain is typically a small decimal value (e.g., 0.001 for 0.1% strain).
Q1: What are typical Young's Modulus values for common materials?
A: Steel: ~200 GPa, Aluminum: ~70 GPa, Concrete: ~30 GPa, Wood: ~10 GPa, Rubber: ~0.01-0.1 GPa.
Q2: Is Young's Modulus constant for a material?
A: Generally yes within the elastic region, but it can vary with temperature, processing methods, and material composition.
Q3: What is the difference between stress and strain?
A: Stress is the internal resistance per unit area (force/area), while strain is the relative deformation (change in length/original length).
Q4: Can Young's Modulus be negative?
A: No, Young's Modulus is always positive for stable materials. Negative values would indicate material instability.
Q5: How does temperature affect Young's Modulus?
A: Generally, Young's Modulus decreases with increasing temperature as materials become less stiff at higher temperatures.