Elasticity in high water pressure environment

[Roger900]

How does elasticity change in a high water pressure environment?

For example, assume you drop a common rubber band in the ocean. As the rubber band sinks, water pressure increases on the rubber band. Excluding any change in temperature of the rubber band, how does the elasticity of the rubber band change as it sinks deeper into the ocean and the water pressure increases?

Would the increase in water pressure compact the cross-link characteristics of the rubber band, making the rubber band more elastic the deeper it went in the ocean?

Thanks for your help,
Roger

 

[radou]

The elasticity of the rubber band is a constant. The water pressure increases with the depth, but that doesn't make the band alone more elastic. The pressure only increases deformation.

 

[charng]

I can say that the elasticity of a material is a measure of its ability to return to its original shape after being stretched or compressed. In a high water pressure environment, the external pressure on the rubber band increases as it sinks deeper into the ocean. This external pressure can cause the rubber band to compress, reducing its volume and changing its shape. This compression can affect the cross-link characteristics of the rubber band, making it more elastic.

However, the exact change in elasticity of the rubber band in a high water pressure environment would depend on various factors such as the type of rubber used, the thickness of the band, and the depth of the ocean. Additionally, the temperature of the water can also play a role in altering the elasticity of the rubber band.

In general, as the water pressure increases, the rubber band may become more elastic due to the compression of its structure. This means that it would be able to stretch and return to its original shape more easily. However, if the pressure becomes too high, the rubber band may reach its elastic limit and lose its ability to return to its original shape.

Furthermore, the elasticity of the rubber band may also be affected by the duration of exposure to high water pressure. If the rubber band is left in a high water pressure environment for a long time, it may experience plastic deformation, where it permanently changes its shape and loses its elasticity.

In conclusion, the elasticity of a rubber band in a high water pressure environment can change due to compression and other factors. It is important to consider all these factors when studying the behavior of materials in different environments.