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How does temperature and pressure affect brittle deformation and ductile deformation?
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What is the difference between brittle and ductile with two examples of each?
Generally something that is brittle will not deform, or deform very little before it breaks, where as something that is ductile will deform a lot before it breaks. That is how it is when comparing steels. White cast iron has no ductility therefore it will break with little or no deformation, where as mild steel has higher ductility and will deform considerably before it breaks.
The type of deformation in which the object permanently changes size and shape without fracturing is called?
Ductile deformation
What is ductile fracture?
A ductile fracture is caused by plastic deformation that can be identified by cap and cone appearance of the fracture.
Why do seismic waves slow down in the asthenosphere?
Under the pressure and temperature conditions of the Earth's mantle, minerals can (very slowly) be deformed without cracking. This is called ductile deformation. A lot of the deformation in mantle rocks is accomplished by this mechanism. The ultimate cause for the asthenosphere to move is the gradient of temperature between the core and the surface that drives mantle convection. Hot material moves up from the lower portions of the mantle and cold material sinks down.
Is leather ductile?
No leather is not ductile
Which is not a form of rock deformation?
ductile deformation
What are the main types of geologic structures arising from brittle and ductile deformation?
Faults are formed by brittle deformations and folds are formed by ductile deformation.
What condition causes rocks to exhibit ductile deformation?
high pressure and temperature
What is the differences between brittle and ductile fracture?
In brittle fracture, no apparent plastic deformation takes place before fracture. In ductile fracture, extensive plastic deformation (necking) takes place before fracture.
What is ductile deformation-?
it is when something breaks from its original shape and cannot return to its original form
As heat and pressure increases ductile deformation?
becomes more likely
Are all minerals brittle?
This depends on the confining pressure, the temperature and the strain rate applied to the mineral. In general for minerals (and other materials), the lower the rate of strain, the more likely ductile or plastic creep deformation will occur. The higher the strain rate, the more likely brittle deformation is to occur. As the confining pressure increases, an objects shear strength will increase (this usually coincides with a greater depth of burial) and due to the earth's thermal gradient an increase in temperature. As the shear strength increases, brittle failure is less likely and the higher temperature means that plastic deformations or creep are more likely to occur.
As heat and pressure increase ductile deformation what happens?
becomes more likely
What are the two ways rocks deform?
Faulting and folding (also known as brittle and ductile deformation). Please see the related links.
Is polythene ductile or brittle?
is polythene ductile or brittle?
What the two ways rocks permanently deform?
Faulting and folding (also known as brittle and ductile deformation). Please see the related links.
What are the types of rock deformation?
elastic deformation, ductile deformation and fracture
