Friction and wear of polyamide 66 with different weight average molar mass

M. W. Shin, S. S. Kim, Ho Jang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The friction and wear of monolithic polyamide 66 (PA66) and a PA66 composite reinforced with short glass fibers were examined using a block-on-ring friction tester with particular focus on the effect of weight average molar mass (M w) of PA66. The amount of glass fibers in the composite and the molecular weight strongly affected the friction level and wear rate because it altered the shear strength and adhesion of PA66. In the case of the glass fiber-reinforced PA66 composites, the improvement of the tribological property was attributed to the increased softening temperature of the composite and reduced material transfer to the counter surface. From this study, the optimum composite having the improved wear resistance with the low friction level was achieved with the lower M wPA66 containing 40 vol.% glass fibers.

Original languageEnglish
Pages (from-to)151-158
Number of pages8
JournalTribology Letters
Volume44
Issue number2
DOIs
Publication statusPublished - 2011 Nov 1

Fingerprint

Molar mass
Nylons
Polyamides
glass fibers
friction
Glass fibers
Wear of materials
Friction
composite materials
Composite materials
shear strength
test equipment
wear resistance
Shear strength
softening
Wear resistance
molecular weight
counters
adhesion
Adhesion

Keywords

  • Polyamide glass fiber
  • Roll-formation
  • Wear mechanism
  • Weight average molar mass

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Friction and wear of polyamide 66 with different weight average molar mass. / Shin, M. W.; Kim, S. S.; Jang, Ho.

In: Tribology Letters, Vol. 44, No. 2, 01.11.2011, p. 151-158.

Research output: Contribution to journalArticle

Shin, M. W. ; Kim, S. S. ; Jang, Ho. / Friction and wear of polyamide 66 with different weight average molar mass. In: Tribology Letters. 2011 ; Vol. 44, No. 2. pp. 151-158.
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