Triboluminescent Material for Short Wave Emission Effect and the Tribological Mechanism

Abstract:

Material properties in the process of tribo-emission decides the characteristics of both spectra and intensity of triboluminescence. ZnS:Mn semiconductor material was proved to be a high emission triboluminescent material in many investigations; Ce- and Yb-doped hexacelsian possess the excellent shortwave triboluminescence character due to f-d electronic transition of doping element with position valances ions; the fracto-mecha-luminescence and photoluminescence spectra of phthalic acid, 4-hydroxy coumarin monohydrate, etc. present obviously a broad ultraviolet and violet waveband emissions, showing the disadvantage of these organic crystals as shortwave triboluminescence materials. Triboluminescence test apparatus of drop tower type have the tribo-emission of impact friction effect; the pin-on-disk type apparatus can perform the triboluminescent experiments with sliding friction mechanism; the twin ring tribometer is used to measure the triboluminescence of polymer material friction rings. These units supply a suitable conditions for obtaining triboluminescence with shortwave emission and persistent high intensity.  

• Periodical: Applied Mechanics and Materials (Volume 610)
• Pages: 961-966
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.610.961
• Online since: August 2014
• Authors: Qiang Zhou*, Rui Qing Xu, Shu Yan Xu
• Keywords: Material, Shortwave Emission Effect, Tribological Mechanism, Triboluminescence

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