25th November 2019

quora

14

What is the difference between elastic and plastic deformation?

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Elastic deformations of a solid are entirely recoverable once the stress is removed. No part of the object under stress has undergone permanent deformation. Plastic deformation of a solid are permanent. In fact to reach plastic deformation you always have to begin with elastic deformation.

In this regard, what is the difference between ductile and brittle?

Ductility is the ability of a material to withstand tensile force when it is applied upon it as it undergoes plastic deformation whereas Brittleness is the opposite of ductility as it refers to the ability of materials to break into pieces upon application of tensile force without any elongation or plastic deformation.

How is ductile deformation different from elastic deformation?

What is the difference between brittle and ductile rocks? The amount of elastic deformation a material can take before ductile deformation. In ductile deformation, the strain remains when stress is removed, but in brittle deformation, the object fractures.

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What do you mean by plastic deformation?

Definition of plastic deformation. : a permanent deformation or change in shape of a solid body without fracture under the action of a sustained force.

2

What is the difference between elasticity and plasticity?

Elasticity is defined as the property which enables a material to get back to (or recover) its original shape, after the removal of applied force. For example… Plasticity is defined as the property which enables a material to be deformed continuously and permanently without rupture during the application of force.

3

What is the difference between elastic body and plastic body?

Key difference: The main difference between a plastic body and an elastic body is based on individual their ability to regain their shape and size after an external force is applied to the bodies. Now, when the force is removed, the material depending on its properties may or may not return to its original shape.

4

What causes deformation of rocks?

Faults that show such ductile shear are referred to as shear zones. When rocks deform in a ductile manner, instead of fracturing to form faults or joints, they may bend or fold, and the resulting structures are called folds. Folds result from compressional stresses or shear stresses acting over considerable time.

5

What is the elastic rebound?

In geology, the elastic-rebound theory is an explanation for how energy is released during an earthquake. As adjoining plates on the Earth's surface move in opposite directions, the rocks which span the opposing sides of the incipient fault are subjected to extreme shear stress.

6

What is ultimate tensile strength?

Ultimate tensile strength is measured by the maximum stress that a material can withstand while being stretched or pulled before breaking. In the study of strength of materials, tensile strength, compressive strength, and shear strength can be analyzed independently.

7

What is Pseudoelasticity?

Pseudoelasticity, sometimes called superelasticity, is an elastic (reversible) response to an applied stress, caused by a phase transformation between the austenitic and martensitic phases of a crystal. It is exhibited in shape-memory alloys.

8

What is plastic behavior?

In physics and materials science, plasticity describes the deformation of a (solid) material undergoing non-reversible changes of shape in response to applied forces. For example, a solid piece of metal being bent or pounded into a new shape displays plasticity as permanent changes occur within the material itself.

9

What is necking in a material?

Necking, in engineering or materials science, is a mode of tensile deformation where relatively large amounts of strain localize disproportionately in a small region of the material. The resulting prominent decrease in local cross-sectional area provides the basis for the name "neck".

10

What is permanent deformation?

A temporary shape change that is self-reversing after the force is removed, so that the object returns to its original shape, is called elastic deformation. In other words, elastic deformation is a change in shape of a material at low stress that is recoverable after the stress is removed.

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How does elastic deformation effect a material is the effect reversible?

This type of deformation is reversible. Once the forces are no longer applied, the object returns to its original shape. Elastomers and shape memory metals such as Nitinol exhibit large elastic deformation ranges, as does rubber. The elastic range ends when the material reaches its yield strength.

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What happens to a material during ductile deformation?

Generally, rocks respond to stress in one of two ways: they break, or they bend. When a rock breaks, it is called brittle deformation. Any material that breaks into pieces exhibits brittle behavior. When rocks bend or flow, like clay, it is called ductile deformation.

13

What is elastic analysis?

Elastic design is carried out by assuming that at design loads structures behave in a linearly elastic manner. An elastic analysis is performed by applying the design loads and required internal forces in the structural elements (members and connections) are determined and adequate design strength is provided.

14

What do you mean by inelastic deformation?

deformation, elastic, n the change in shape of an object under an applied load from which the object can recover or return to its original unloaded state when the load is removed. deformation, inelastic, n a deformation occurring when a material is stressed beyond its elastic limit.

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What is elastic deformation in geology?

Elastic Deformation. Definition. (Non-permanent) Object deforms, but then returns to its original size and shape when the stress is released.

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What is meant by plastic deformation in physics?

A deformation of a body caused by an applied stress which remains after the stress is removed. Elastic Deformation, Elastic Limit, Stress, Yield Strength.

17

What is Hooke's law of elasticity?

Hooke's law, law of elasticity discovered by the English scientist Robert Hooke in 1660, which states that, for relatively small deformations of an object, the displacement or size of the deformation is directly proportional to the deforming force or load.

18

What is plastic deformation fracture?

Although plasticity allows children's long bones to absorb more energy prior to fracture, a significant deformity may persist after injury. An algorithm and technique for treatment of plastic deformation of the radius and ulna, the two most commonly involved bones in plastic deformation, are reviewed.

19

What is meant by strain hardening?

Work hardening, also known as strain hardening, is the strengthening of a metal or polymer by plastic deformation. This strengthening occurs because of dislocation movements and dislocation generation within the crystal structure of the material. These processes are known as cold working or cold forming processes.

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What are the types of rock deformation?

Stress causes rocks to deform, meaning the rocks change size or shape. There are different kinds of stress that rocks experience, and these determine how the rocks deform. Tensional stress is when rock is stretched apart. Compressional stress is when rock is pressed together.

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