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Until a metal reaches its elastic limit, it is undergoing elastic deformation. This means that the metal will regain its original dimensions when unloaded. Upon exceeding the elastic limit, the metal will become plastic and will not regain its original dimensions.

A metal undergoes plastic flow when it experiences large deformations while loaded in the plastic region.

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How do the processes of basal slip and internal plastic flow differ?

Basal slip involves the movement of crystal planes over each other in a preferred direction, usually parallel to the basal plane, allowing for plastic deformation in materials like metals. Internal plastic flow refers to the movement of dislocations within the material, leading to permanent deformation without fracture. While basal slip is more common in crystalline materials with well-defined crystal structures, internal plastic flow can occur in various materials with defects and dislocations.


What part of a glacier moves fastest when glacier moves by internal plastic flow?

The center or axis of a glacier generally moves the fastest when the glacier is moving by internal plastic flow. This is due to the greater pressure and thickness of ice at the center, causing it to flow more readily than the slower moving edges and margins of the glacier.


What part of glacier most faster when the glacier moves by internal plastic flow?

When a glacier moves by internal plastic flow, the basal layers, particularly those close to the glacier bed, tend to move faster than the upper layers. This is due to the increased pressure and heat at the base, which causes the ice to deform more readily. Additionally, the flow is often faster in the center of the glacier compared to the edges, as friction with the valley walls slows down the flow.


What are 3 types of glacier movement?

Three types of glacier movement are basal sliding, internal deformation, and flow. Basal sliding occurs when the glacier moves over a layer of meltwater at its base. Internal deformation involves the slow movement of ice crystals within the glacier. Flow refers to the overall movement of the glacier downslope due to gravity.


What part of a glacier moves fastest when the glacier moves by the internal plastic flow?

The part of a glacier that moves fastest during internal plastic flow is typically the center or the upper layers. This is because the ice at the center experiences less friction from the valley walls compared to the ice near the edges, which is slowed down by contact with the substrate and surrounding terrain. Consequently, the flow is more pronounced in the central region, leading to higher velocities.


What part of glacier moves fastest when the glacier moves by internal plastic flow?

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What does electricity not flow through?

Plastic


What deforms by plastic flow?

asthenosphere


Why can't electricity flow through plastic?

Because metal and plastic arent the same materials so metal goes with the flow through static electricity but plastic cant.


What is a rock that deforms like a piece of molded clay called?

A rock that deforms like molded clay is called a plastic rock. These rocks can be easily reshaped due to the internal flow of their minerals. Examples of plastic rocks include shale, claystone, and serpentinite.


What is a substance that has no internal resistance to flow?

its a liquid


Why does plastic flow occur only 50 meters below ice?

It takes the weight of that much ice to cause the plastic flow.