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Journal of Materials Science

, Volume 44, Issue 22, pp 6020–6027 | Cite as

Mechanical behavior of anodic alumina coatings reinforced with carbon nanofibers

  • Abhishek K. Kothari
  • Erkan Konca
  • Brian W. SheldonEmail author
  • Kengqing Jian
  • Hao Li
  • Zhenhai Xia
  • Wangyang Ni
  • Robert Hurt
Article

Abstract

Anodic alumina was reinforced with three types of carbon nanofibers differing in the orientation of their graphene structure—perpendicular to the fiber axis, and parallel to the fiber axis both with dense core and hollow core (i.e., nanotubes). This study was designed to identify potential toughening and damage tolerant mechanisms in these nanoscale fiber-reinforced composite coatings. The dense carbon fibers improved contact damage resistance and reduced frictional resistance in sliding contacts. The hollow core reinforcements were much more promising for improving the fracture toughness of the composite coatings.

Keywords

Composite Coating Graphene Layer Anodize Aluminum Oxide Fiber Axis Anodize Aluminum Oxide Template 

Notes

Acknowledgement

Financial support from NSF-NIRT Grant No. CMS-03034246 is highly appreciated.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Abhishek K. Kothari
    • 1
  • Erkan Konca
    • 2
  • Brian W. Sheldon
    • 1
    Email author
  • Kengqing Jian
    • 1
  • Hao Li
    • 3
  • Zhenhai Xia
    • 4
  • Wangyang Ni
    • 5
  • Robert Hurt
    • 1
  1. 1.Division of EngineeringBrown UniversityProvidenceUSA
  2. 2.Materials Engineering DepartmentAtilim UniversityAnkaraTurkey
  3. 3.Mechanical and Aerospace EngineeringUniversity of Missouri at ColumbiaColumbiaUSA
  4. 4.College of EngineeringThe University of AkronAkronUSA
  5. 5.Materials and Processes Lab, Research and Development General MotorsWarrenUSA

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