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Title: Wear characteristics of medical hearing-aid components and friction reduction mechanisms
Authors: Song, Xu
Huang, Jiazhao
Leu, Seet Wei
Zhou, Kun
Keywords: Acrylonitrile-butadiene-styren
Engineering::Mechanical engineering
Issue Date: 2017
Source: Song, X., Huang, J., Leu, S. W., & Zhou, K. (2017). Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms. Journal of Tribology, 139(3), 034504-. doi:10.1115/1.4034534
Series/Report no.: Journal of Tribology
Abstract: The wear characteristics of a hearing-aid battery assembly, which consist of an acrylonitrile-butadiene-styren (ABS) button cell compartment and a stainless steel bracket with the locking knob, have been studied in the current work to predict its lifespan in service. The main failure mechanism is the worn-out of the cell compartment by the locking knob when changing the battery. Its wear rate is determined by the relationship between knob geometry and corresponding pressure distribution on the worn surface. Due to the third-body entrapment, the wear rate is highly influenced by the presence of the debris, and fortunately, it can be reduced by applying microsurface texture onto the knob. Experiments are conducted here to validate the wear reduction mechanism.
ISSN: 0742-4787
DOI: 10.1115/1.4034534
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2017 ASME. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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