Triboelectric charging of powders: A review
By S. Matsusaka, H. Maruyama, T. Matsuyama, M. Ghadiri. 2010
580 citations recorded by the source corpus.
Abstract Particles are often electrostatically charged by frictional contact during powder-handling operations. This phenomenon is called ‘triboelectric charging’ or ‘contact electrification’. The charged particles cause problems such as particle deposition and adhesion. In addition, if particles are excessively charged, an electrostatic discharge may occur, which can pose a risk of fire and explosion hazards; thus, to mitigate the adverse effects, it is important to elucidate the underlying triboelectric charging mechanisms. The electrostatics is, on the other hand, very useful in a number of applications that have been developed using the principles. In this review, the basic concepts and theories of charge transfer between solid surfaces are summarized, and chemical factors depending on materials and environmental effects are described. To theoretically analyze the process of particle charging, relevant models are discussed. Using the models, particle charging by repeated impacts on a wall is formulated. To experimentally evaluate particle charging, measurement and characterization methods are outlined. Furthermore, important applications and computer simulations are described.
Subfields: Biomedical Engineering, Electrical and Electronic Engineering, Industrial and Manufacturing Engineering
View Paper: https://www.semanticscholar.org/paper/9c6feb3a60de13ebec8f6aac72deb4b1a31c18ac
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Citations in the corpus
- Particle-based simulation of powder application in additive manufacturing (2016, methodology): “Our model should be now extended in order to include electrostatic interactions, which could play an important role for the dynamics of powder systems [30].”
- A review of bulk powder caking (2017, background): “The science of electrostatics is in itself highly challenging as there are manymechanisms that influence particulate behaviour [14].”
- Micro-scale to nano-scale generators for energy harvesting: Self powered piezoelectric, triboelectric and hybrid devices (2019, background): “during triboelectric testing the electric charge generated tends to decrease with increasing temperature [206].”