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What happens when the stress and strain of elastic deformation along tectonic plates reaches the breaking point?
When the stress and strain along tectonic plates reach the breaking point, it can result in an earthquake. This is when the stored elastic energy is released as seismic waves, causing the rocks on either side of the fault to move, releasing the built-up stress.
Where is the energy of an earthquake stored before the earthquake?
The energy of an earthquake is stored as elastic strain energy in the Earth's crust along the fault line prior to the earthquake. This energy is released when the stress on the fault exceeds the strength of the rocks, causing them to break and the energy to be radiated as seismic waves.
Could you show the derivation of elastic strain energy per unit volume?
The elastic strain energy per unit volume, also known as the strain energy density, can be derived by integrating the stress-strain curve over the strain range. The area under the stress-strain curve represents the work done on the material, which is equivalent to the strain energy stored. By dividing this strain energy by the volume of the material, the strain energy density per unit volume can be obtained.
What is plasticity in chemistry?
Plasticity is the characteristic of a metal where it undergoes inelastic strains beyond the elastic limit.Until the elastic limit point, the strain that a metal undergoes is elastic, meaning the metal will regain its original dimensions upon unloading. For example, during a tensile test, a metal pulled in tension to a strain below its elastic limit will return to its original dimensions upon release.However, if a metal is strained beyond the elastic limit into the plastic region, the strain will be inelastic, meaning the metal will be unable to return to its original dimensions upon unloading. Large deformations in ductile materials result in plastic flow.Metals experience periods of both elastic and plastic deformation. On a stress-strain curve, the elastic region is followed by the plastic region. Oftentimes, the elastic limit is approximated as equal to the proportional limit and (for mild steel) the yield stress.
What type of strain is on a normal fault?
In a normal fault, the hanging wall moves down relative to the footwall, resulting in extensional strain. This type of fault forms in response to tensional stress in the Earth's crust, such as the pulling apart of tectonic plates.
What happens when the stress and strain of elastic deformation along tectonic plates reaches the breaking point?
When the stress and strain along tectonic plates reach the breaking point, it can result in an earthquake. This is when the stored elastic energy is released as seismic waves, causing the rocks on either side of the fault to move, releasing the built-up stress.
Where is the energy of an earthquake stored before the earthquake?
The energy of an earthquake is stored as elastic strain energy in the Earth's crust along the fault line prior to the earthquake. This energy is released when the stress on the fault exceeds the strength of the rocks, causing them to break and the energy to be radiated as seismic waves.
What happens when the stress and strain of elastic deformation along tectonic plates reaches the braking point?
When the stress within the rock mass exceeds the elastic limit, then either a slip will occur along a pre-existing fault to releases the accumulated strain energy. This release of energy is more commonly known as an earthquake!
How the strain force changes when the elastic is released from one of the finger?
When the elastic is released from one finger, the strain force decreases because the tension in the elastic is no longer being resisted by that finger. This leads to a redistribution of the strain force among the remaining fingers holding the elastic.
What is a common object that can store elastic strain enery?
A common object that can store elastic strain energy is a rubber band. When stretched, it stores potential energy in the form of elastic strain that can be released when the band is allowed to return to its original shape.
What are examples of elastic spring force?
If you stretch a rubber band then release it, it will return to its original shape. That is by definition elastic strain. Anything that returns to its original shape after being affected by force underwent elastic strain. If it is permanently deformed (ie you bent a paperclip out of place and it wont return to its original shape) then it passes the elastic strain region and suffered plastic strain.
Is a rubber band a synonym for elastic strain?
yes.......................it is a stretchy elastic rubber band
What is the formula to calculate the total strain experienced by a material under a given load?
The formula to calculate total strain is: Total Strain Elastic Strain Plastic Strain. Elastic strain is the initial deformation of the material under load, while plastic strain is the permanent deformation after the material reaches its yield point.
What is elastic strain?
Energy stored as a change in shape
How to calculate plastic strain in a material under deformation?
To calculate plastic strain in a material under deformation, you can use the formula: Plastic Strain Total Strain - Elastic Strain. Plastic strain is the permanent deformation that occurs in a material after it has exceeded its elastic limit. It is important to consider when analyzing the behavior of materials under stress.
How can a rubber band be modeled as an elastic strain?
Because, like a rubber band, it can be stretched until it can't be stretched anymore. When the rocks cannot be stretched anymore, the fault breaks and slips as earthquakes.
How do you calculate the elastic limit?
By using stress-strain curve.
