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Which material has a lower elastic modulus?
Young’s modulus measures the resistance of a material to elastic (recoverable) deformation under load. A stiff material has a high Young’s modulus and changes its shape only slightly under elastic loads (e.g. diamond). A flexible material has a low Young’s modulus and changes its shape considerably (e.g. rubbers).
Which of the following has lowest elastic modulus?
Rubber is the least elastic material. Was this answer helpful?
Understanding Young’s Modulus
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Which material has lowest stiffness elastic modulus?
For instance, the rubber has lower stiffness since it can be deformed elastically more than steel or diamond. That is, it has lower stiffness.
Which type of material typically has the lowest Young’s modulus?
…
Table of Young’s Modulus Values.
| Material | GPa | Mpsi |
|---|---|---|
| Low-density polyethylene | 0.11–0.86 | 1.6–6.5×10−2 |
| Diatom frustules (silicic acid) | 0.35–2.77 | 0.05–0.4 |
| PTFE (Teflon) | 0.5 | 0.075 |
| HDPE | 0.8 | 0.116 |
What is a low elastic modulus?
Elastic modulus measures the resistance of the material to elastic—or “springy”—deformation. Low modulus materials are floppy and stretch a lot when they are pulled (squash down a lot when pushed). High modulus materials are opposite—they stretch very little when pulled (squash down very little when pushed).
Which material has highest modulus of elasticity?
The highest known Young’s modulus value is that of diamond, which is both the hardest material known and has the highest elastic modulus known of ~ 1210 GPa [135].
Why is rubber the least elastic material?
Rubber gets stretched because there is strain produced in it when stress is applied. The larger strain means the material is less elastic.
See some more details on the topic Which material has lowest elastic modulus? here:
Which material has the lowest Young’s modulus? – Physics …
Hydrogels can have a Young’s modulus as low as 5-10kPa easily (see for example gels of 1-2 percent agarose or alginate).
Young’s Modulus and Specific Stiffness – Property Information
A stiff material has a high Young’s modulus and changes its shape only slightly under elastic loads (e.g. diamond). A flexible material has a low Young’s …
Modulus of Elasticity for Metals – Amesweb
Modulus of elasticity is also a measure of material’s stiffness or resistance to elastic deformation. If the Young modulus of metal is greater, it’s stiffer …
Elastic Moduli – an overview | ScienceDirect Topics
Elastic modulus measures the resistance of the material to elastic—or “springy”—deformation. Low modulus materials are floppy and stretch a lot when they …
Which has more elasticity iron or rubber?
Since, the iron rod regains its original configuration more efficiently than rubber, it is iron which is more elastic than rubber.
Which is the highest elastic material?
The correct answer is Steel. Steel is the most elastic material.
Which is more elastic rubber or steel?
Steel is more elastic than rubber. This is explained with the help of Young’s modulus.
Which is more elastic cast iron or steel?
Elasticity is the ability of a material to restore its initial form and dimensions after the load is removed. Mild steel is more elastic than wrought iron.
Which Has More Young’s modulus?
For example, carbon fiber has a much higher Young’s modulus (is much stiffer) when force is loaded parallel to the fibers (along the grain). Other such materials include wood and reinforced concrete.
What is Elastic Modulus?
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Why do polymers have a low elastic modulus?
Because of the weak intermolecular interactions, the polymers exhibit low elastic moduli (Ef) of less than 450 MPa.
What is a high elastic modulus?
A material that has a higher elastic modulus is said to be stiffer than one with a lower elastic modulus. Modulus of elasticity has the same dimension as stress because it results from dividing the stress by strain.
What is the elastic modulus of steel?
The modulus of elasticity of steel is 200 GPa (29,000,000 psi).
What is elastic modulus of a material?
The Young’s Modulus (or Elastic Modulus) is in essence the stiffness of a material. In other words, it is how easily it is bended or stretched. To be more exact, the physics and numerical values are worked out like this: Young’s Modulus = Stress / Strain.
What is the elastic modulus of aluminum?
Many aluminum alloys have an elastic modulus of approximately 70 GPa (10 million psi).
What is Young’s modulus of rubber?
Young’s modulus of rubber is 104N/m2 and area of cross section is 2 cm−2.
Which is more elastic copper or rubber?
Coefficient of elasticity is a quantity that measures an object’s resistance to being deformed elastically. We are given Copper, Steel, Glass and Rubber. Out of these obviously rubber is the more elastic object.
Which of the following has highest elasticity?
Out of the given substances, steel has greater value of Young’s modulus. Therefore , steel has highest elasticity.
Which material has greater Young’s modulus and why?
The Young’s modulus is defined as the ratio of stress to the strain within elastic limit. I.e. Young’s modulus, Y = (𝑆𝑡𝑟𝑒𝑠𝑠/𝑆𝑡𝑟𝑎𝑖𝑛). For a given stretching force elongation is more in rubber as compared to steel. Hence, Young’s modulus for rubber is less than it is for steel.
Which is more elastic steel or brass?
The elasticity of the material is due to stress developed with in the body, when external force acts on it. a material is of more elastic nature if it develops more stress (or) restoring force. steel develops more stress than copper, brass,aluminium for same strain. so steel is more elastic.
Elasticity Hooke’s Law – Intro to Young’s Modulus, Stress Strain, Elastic Proportional Limit
Images related to the topicElasticity Hooke’s Law – Intro to Young’s Modulus, Stress Strain, Elastic Proportional Limit
Why glass is more elastic than rubber?
(a) Glass is more elastic than rubber because for a given applied force per unit area, the strain produced in glass is much smaller than the strain produced in rubber.
Which is more elastic steel or polystyrene?
Explanation: So, it can be said that for a given amount of stress, the strain produced in the steel is comparatively smaller than the strain produced in the rubber. Therefore, with the help of Young’s modulus, it can be concluded that steel has greater elasticity than rubber.
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