Running-in behavior of internally plasma-treated silicone tubing

Thomas J. Turner, Eph M. Sparrow, John M. Gorman

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

When employed in biomedical applications, the bore of silicone tubing must be modified to become highly lubricious, for example, by means of plasma treatment. In this context, the determination of the degree of lubricity is normally accomplished with the aid of a frictional tribopartner. In practice, this determination is made uncertain and overly lengthy due to running-in behavior. The focus of this investigation is to characterize the running-in behavior, diagnose the factors that contribute to its existence, and develop means by which to eliminate the running-in process. The tribological system that was studied may be categorized as polymer/metal frictional interaction. It was discovered by systematic experimentation that transfer of material, rather than traditional wear, is at the root of the encountered running-in phenomena. These investigations included frictional-based and chemical-detection methodologies. Once the fundamental cause of the running-in behavior had been discovered and confirmed, a method for eliminating running-in was proposed and experimentally validated.

Original languageEnglish (US)
Pages (from-to)44-47
Number of pages4
JournalWear
Volume326-327
DOIs
StatePublished - Mar 5 2015

Fingerprint

Chemical detection
silicones
Silicones
Tubing
Polymers
Metals
Wear of materials
Plasmas
chemical detection
experimentation
methodology
cavities
causes
polymers
metals

Keywords

  • Biomedical tubing
  • Experimentation
  • Lubricity
  • Mitigation
  • Plastic/metal
  • Running-in

Cite this

Running-in behavior of internally plasma-treated silicone tubing. / Turner, Thomas J.; Sparrow, Eph M.; Gorman, John M.

In: Wear, Vol. 326-327, 05.03.2015, p. 44-47.

Research output: Contribution to journalArticle

Turner, Thomas J. ; Sparrow, Eph M. ; Gorman, John M. / Running-in behavior of internally plasma-treated silicone tubing. In: Wear. 2015 ; Vol. 326-327. pp. 44-47.
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