Triboelectric Charging Substance Selection

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In summary, the conversation discusses methods for minimizing triboelectric charging. It is mentioned that any two dissimilar materials can and will tribocharge, with the amount of charge being affected by factors such as the materials' placement on the Triboelectric Series scale, the speed of separation, and the relative humidity. To reduce tribocharging, it is suggested to use standard electrostatic discharge prevention methods such as wearing proper clothing and using ionizers. It is also noted that polycarbonate, commonly used for CDs, is difficult to charge through rubbing.
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drerzaask
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If I am trying to minimize triboelectric charging. What two substances when rubbed together would produce minimal field lines and minimal charging?
 
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Any two dissimilar materials can and will tribocharge. The farther apart two materials are on the Triboelectric Series scale, the greater they will charge when separated. The speed of separation, friction (rubbing), and relative humidity will also effect how large the charge will be. Select your two materials close to the center and next to each other on the scale for minimum charging.

http://www.keyence.com/ionizer/feature/img/features03/img01.jpg

Are you trying to reduce the effects of tribocharging? If so standard electrostatic discharge prevention methods would go a long way. Using things like properly connected and grounded wrist straps, ESD safe (dissipative) mats, ESD safe lab coats, and wearing low-charging natural fiber clothing like cotton will help.

To effectively remove a charge requires use an ionizer or you can wait for charges to decay.

JA
 
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  • #3
Polycarbonate (used for CDs) is difficult to charge by rubbing it.
 

1. What is triboelectric charging substance selection?

Triboelectric charging substance selection is the process of choosing materials that are suitable for producing triboelectric charging, which is the transfer of electric charge between two materials through friction.

2. How does triboelectric charging work?

Triboelectric charging works by the transfer of electrons between two materials with different levels of electron affinity. When the two materials are rubbed together, one material will lose electrons and become positively charged, while the other material will gain electrons and become negatively charged.

3. What factors should be considered when selecting a triboelectric charging substance?

Some factors to consider when selecting a triboelectric charging substance include the materials' surface properties, their electron affinity, and their ability to generate a charge through friction. Other factors may include the materials' durability, availability, and cost.

4. What are common materials used for triboelectric charging?

Some common materials used for triboelectric charging include rubber, fur, and plastic. These materials have different levels of electron affinity, which makes them suitable for generating a charge through friction.

5. How is triboelectric charging substance selection important in scientific research?

Triboelectric charging substance selection is important in scientific research because it allows for the controlled production of electric charge, which can be used in various experiments and applications. It also helps scientists understand the fundamental principles of electricity and how it can be harnessed for practical use.

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