Information on the percolation threshold

In summary, the percolation threshold is the point at which a material transitions from being impermeable to permeable. It is determined through experimental methods and can be influenced by factors such as composition, structure, temperature, and pressure. The percolation threshold is important in various fields and has practical applications in industries. It is also closely related to other thresholds that represent different types of phase transitions in materials.
  • #1
robbo2004
1
0
Can anyone help me find information on the percolation threshold, i.e for when particle concentration is increased to a point when electrical pathways are created and resistance decreases by many orders, for metals loaded polymers.

Cheers

:rofl: :tongue2: :approve: :yuck: :zzz: :blushing: :frown: :tongue2: :confused: :bugeye: :devil: :devil: :devil:
 
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  • #2
Hi.
I can introduce you a useful book:
Physics and Geometry of Disorder. by A. Efros.
U can find very useful information about percolation theory.

Good Luck.
Somy:smile:
 
  • #3


The percolation threshold refers to the point at which a material transitions from being an insulator to a conductor due to the formation of continuous pathways for the flow of electricity. In the case of metals loaded polymers, this can occur when the concentration of metal particles reaches a critical point, allowing for the formation of interconnected pathways that reduce the resistance of the material.

To find more information on the percolation threshold and its effects on metals loaded polymers, you can start by researching academic journals and publications in materials science and engineering. Some possible keywords to use in your search could include "percolation threshold," "metal-polymer composites," "electrical conductivity," and "particle concentration." Additionally, you may want to reach out to experts in the field or attend conferences or seminars focused on materials science to learn more about this topic. Best of luck in your research! 👍
 

1. What is the percolation threshold?

The percolation threshold, also known as the critical point, is the point at which a material transitions from being impermeable to permeable. In other words, it is the point at which a material starts to allow the flow of a substance (such as a liquid or gas) through it.

2. How is the percolation threshold determined?

The percolation threshold is typically determined through experimental methods, where the material is gradually exposed to a substance (such as water or air) and the flow rate is measured. The point at which there is a sudden increase in flow rate is considered the percolation threshold.

3. What factors can affect the percolation threshold?

The percolation threshold can be influenced by various factors such as the composition and structure of the material, temperature, pressure, and the type of substance being tested. It can also be affected by external factors such as the presence of impurities or cracks in the material.

4. Why is the percolation threshold important?

The percolation threshold is an important concept in various fields such as materials science, geology, and engineering. It helps determine the properties and behavior of materials, and is crucial in understanding how substances flow through porous materials like soil and rocks. It also has practical applications in industries such as filtration, oil recovery, and environmental remediation.

5. How is the percolation threshold related to other thresholds?

The percolation threshold is closely related to other thresholds such as the gelation threshold, the glass transition threshold, and the melting point. These thresholds represent different types of phase transitions in materials, and they can all affect the properties and behavior of the material.

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