Compression and temperature

In summary, the temperature of a cylindrical piece of material with high yield strength will increase slightly if compressed with a force approaching the yield strength. Shape does not affect the yield strength, but it will affect the loading required to achieve yield. Varying the tension or compression can alter the resonance frequency, but a reference is needed to provide more information on this effect.
  • #1
EEstudentNAU
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If say a cylindrical piece of material with a high yield strength is compressed in a vice with a force approaching the yield strength, will the temperature be affected? What about its resonance frequencies? Does shape affect the maximum yield strength?
 
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  • #2
If the material expands when heated, the temperature will increase (slightly) during elastic compression (this can be shown via a Maxwell relation). Shape does not affect the yield strength of the material, but it will affect the loading required to achieve yield. Not sure about the resonant frequencies...
 
  • #3
EEstudentNAU said:
If say a cylindrical piece of material with a high yield strength is compressed in a vice with a force approaching the yield strength, will the temperature be affected? What about its resonance frequencies? Does shape affect the maximum yield strength?

If you vary the tension or compression you will alter the resonance frequency. I used to have a paper on this effect but can remember off the top of my head. I'll take a look for it to provide you a reference.

CS
 

What is compression?

Compression is the process of decreasing the volume of a substance by applying pressure.

What is the relationship between compression and temperature?

The relationship between compression and temperature is known as the ideal gas law, which states that as the pressure on a gas increases, its temperature increases proportionally.

Why does temperature increase when a gas is compressed?

When a gas is compressed, the molecules are forced closer together, resulting in an increase in kinetic energy and thus an increase in temperature.

How does compression affect the properties of a substance?

Compression can change the physical and chemical properties of a substance. For example, compressing a gas can turn it into a liquid, and compressing a solid can change its density and strength.

What are some real-world applications of compression and temperature?

Compression and temperature are important concepts in many industries, such as refrigeration, combustion engines, and material science. They are also crucial in understanding weather patterns and climate change.

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