Table of Contents
What is the elastic modulus of rubber?
| Material | Tensile Modulus (Young’s Modulus, Modulus of Elasticity) – E – (GPa) |
|---|---|
| Rubber, small strain | 0.01 – 0.1 |
| Sapphire | 435 |
| Selenium | 58 |
| Silicon | 130 – 185 |
Which is more elastic rubber or Aluminium?
Why we call rubber is more elastic? Because after the elongation (to a certain extent), it becomes return to its normal shape. Most of the iron alloys show elasticity more than aluminium Remember that some heat treated aluminium also elastic.
What is the range of modulus of elasticity?
Modulus of elasticity (or also referred to as Young’s modulus) is the ratio of stress to strain in elastic range of deformation. For typical metals, modulus of elasticity is in the range between 45 GPa (6.5 x 106 psi) to 407 GPa (59 x 106 psi).
How do you calculate the elastic modulus of rubber?
Young’s modulus equation is E = tensile stress/tensile strain = (FL) / (A * change in L), where F is the applied force, L is the initial length, A is the square area, and E is Young’s modulus in Pascals (Pa).
Is Young’s modulus the same as elastic modulus?
Young’s modulus, also referred to as elastic modulus, tensile modulus, or modulus of elasticity in tension is the ratio of stress-to-strain and is equal to the slope of a stress–strain diagram for the material.
What is the Young’s modulus of natural rubber?
Natural rubber
| Young’s modulus | 3 | MPa |
|---|---|---|
| Tensile strength | 25 | MPa |
| Elongation | 800 | \% |
| Hardness | 62.5 | Shore |
| Yield strength | 0 | MPa |
Which is more elastic iron or rubber why Class 11?
Iron is more elastic than rubber because The elastic modulus of the more substance is more elastic.
What is the unit modulus of elasticity Class 11?
kg⋅m/s2.
What is the unit of elastic modulus?
Units of Modulus of Elasticity/Young’s modulus are: Nm-2 or Pa. The practical units used in plastics are megapascals (MPa or N/mm2) or gigapascals (GPa or kN/mm2). In the United States customary units, it is often expressed as pounds (force) per square inch (psi).
How do you find elastic modulus of composite?
The Young’s modulus of the Composite is given by the ‘rule of mixtures’ i.e. EC = EF VF + EM VM , also ( VM + VF ) = 1 or VM = (1 – VF ). The elastic modulus along the fiber direction can be controlled by selecting the volume fraction of the fibers.
What are the three Elastic Modulus?
Young’s modulus, Rigidity modulus and Bulk modulus are the three types of modulus of elasticity.