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Improved wear resistance in alumina-PTFE nanocomposites with irregular shaped nanoparticles

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Title: Improved wear resistance in alumina-PTFE nanocomposites with irregular shaped nanoparticles
Authors: Burris, David L.1, Sawyer, W. Gregory wgsawyer@ufl.edu
Source: Wear. Apr2006, Vol. 260 Issue 7/8, p915-918. 4p.
Subjects: Nanoparticles, Mechanical wear, Tribology, Composite materials
Abstract: Abstract: Past studies with PTFE nanocomposites showed up to 600× improvements in wear resistance over unfilled PTFE with the addition of Al2O3 nanoparticles. Irregular shaped nanoparticles are used in this study to increase the mechanical entanglement of PTFE fibrils with the filler. The tribological properties of 1, 2, 5 and 10wt.% filled samples are evaluated under a normal pressure and sliding speed of 6.3MPa and 50.8mm/s, respectively. The wear resistance was found to improve 3000× over unfilled PTFE with the addition of 1wt.% nanoparticles. The 5wt.% sample had the lowest steady state wear rate of K =1.3×10−7 mm3/Nm and the lowest steady friction coefficient with μ =0.21. [Copyright &y& Elsevier]
Copyright of Wear is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 20400281
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Improved wear resistance in alumina-PTFE nanocomposites with irregular shaped nanoparticles
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  Data: <searchLink fieldCode="AR" term="%22Burris%2C+David+L%2E%22">Burris, David L.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sawyer%2C+W%2E+Gregory%22">Sawyer, W. Gregory</searchLink><i> wgsawyer@ufl.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Wear%22">Wear</searchLink>. Apr2006, Vol. 260 Issue 7/8, p915-918. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Nanoparticles%22">Nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+wear%22">Mechanical wear</searchLink><br /><searchLink fieldCode="DE" term="%22Tribology%22">Tribology</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+materials%22">Composite materials</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: Past studies with PTFE nanocomposites showed up to 600× improvements in wear resistance over unfilled PTFE with the addition of Al2O3 nanoparticles. Irregular shaped nanoparticles are used in this study to increase the mechanical entanglement of PTFE fibrils with the filler. The tribological properties of 1, 2, 5 and 10wt.% filled samples are evaluated under a normal pressure and sliding speed of 6.3MPa and 50.8mm/s, respectively. The wear resistance was found to improve 3000× over unfilled PTFE with the addition of 1wt.% nanoparticles. The 5wt.% sample had the lowest steady state wear rate of K =1.3×10−7 mm3/Nm and the lowest steady friction coefficient with μ =0.21. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Wear is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.wear.2005.06.009
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      – Code: eng
        Text: English
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        PageCount: 4
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    Subjects:
      – SubjectFull: Nanoparticles
        Type: general
      – SubjectFull: Mechanical wear
        Type: general
      – SubjectFull: Tribology
        Type: general
      – SubjectFull: Composite materials
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      – TitleFull: Improved wear resistance in alumina-PTFE nanocomposites with irregular shaped nanoparticles
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              Text: Apr2006
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              Y: 2006
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