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What is Elastic Limit? Video Lecture - Civil Engineering (CE)

FAQs on What is Elastic Limit? Video Lecture - Civil Engineering (CE)

1. What is the elastic limit?

Ans. The elastic limit is the maximum stress or force that a material can withstand without undergoing permanent deformation. It is the point at which a material stops behaving elastically and starts exhibiting plastic behavior.

2. How is the elastic limit different from the yield point?

Ans. The elastic limit is the maximum stress a material can withstand before it undergoes permanent deformation, whereas the yield point is the stress at which a material begins to exhibit significant plastic deformation even after the removal of the applied stress. In other words, the yield point is the onset of plastic behavior, while the elastic limit is the boundary between elastic and plastic behavior.

3. What happens if a material is stressed beyond its elastic limit?

Ans. If a material is stressed beyond its elastic limit, it will undergo permanent deformation or plastic deformation. This means that even after the applied stress is removed, the material will not return to its original shape and size. Instead, it will retain the deformation caused by the stress.

4. How is the elastic limit determined in materials testing?

Ans. The elastic limit is determined in materials testing by subjecting a test specimen to gradually increasing stress and measuring the corresponding strain. The stress-strain curve obtained during the test helps identify the point at which the material starts exhibiting plastic deformation, indicating the elastic limit.

5. Can the elastic limit be increased in a material?

Ans. The elastic limit of a material is primarily determined by its inherent properties and molecular structure. While it is not possible to increase the elastic limit of a material beyond its natural capabilities, certain factors like heat treatment or alloying can alter a material's properties and potentially improve its resistance to deformation, thus indirectly affecting the elastic limit.

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Oct 04, 2025 Last updated

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