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.
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Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms
Xu Song,
Xu Song
Mem. ASME
Singapore Institute of Manufacturing Technology,
Singapore 637662
e-mail: xsong@SIMTech.a-star.edu.sg
Singapore Institute of Manufacturing Technology,
Singapore 637662
e-mail: xsong@SIMTech.a-star.edu.sg
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Jiazhao Huang,
Jiazhao Huang
School of Mechanical and Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: huan0241@e.ntu.edu.sg
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: huan0241@e.ntu.edu.sg
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Seet Wei Leu,
Seet Wei Leu
Singapore Institute of Manufacturing Technology,
Singapore 637662
e-mail: wlseet@simtech.a-star.edu.sg
Singapore 637662
e-mail: wlseet@simtech.a-star.edu.sg
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Kun Zhou
Kun Zhou
School of Mechanical and Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: kzhou@ntu.edu.sg
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: kzhou@ntu.edu.sg
Search for other works by this author on:
Xu Song
Mem. ASME
Singapore Institute of Manufacturing Technology,
Singapore 637662
e-mail: xsong@SIMTech.a-star.edu.sg
Singapore Institute of Manufacturing Technology,
Singapore 637662
e-mail: xsong@SIMTech.a-star.edu.sg
Jiazhao Huang
School of Mechanical and Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: huan0241@e.ntu.edu.sg
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: huan0241@e.ntu.edu.sg
Seet Wei Leu
Singapore Institute of Manufacturing Technology,
Singapore 637662
e-mail: wlseet@simtech.a-star.edu.sg
Singapore 637662
e-mail: wlseet@simtech.a-star.edu.sg
Kun Zhou
School of Mechanical and Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: kzhou@ntu.edu.sg
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798
e-mail: kzhou@ntu.edu.sg
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received March 10, 2016; final manuscript received August 17, 2016; published online January 10, 2017. Assoc. Editor: Zhong Min Jin.
J. Tribol. May 2017, 139(3): 034504 (4 pages)
Published Online: January 10, 2017
Article history
Received:
March 10, 2016
Revised:
August 17, 2016
Citation
Song, X., Huang, J., Leu, S. W., and Zhou, K. (January 10, 2017). "Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms." ASME. J. Tribol. May 2017; 139(3): 034504. https://doi.org/10.1115/1.4034534
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