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Wear behavior of self-lubricating Fe-Cr-C-Mn-Cu alloys: Smearing effect of second phase particles

  • Ki Nam Kim
  • Byung Sik Kim
  • Gyeong Su Shin
  • Myung Chul Park
  • Deok Hyun Lee
  • Seon Jin KimEmail author
Article

Abstract

Newly developed self-lubricating Fe-Cr-C-Mn-Cu cast composite alloys were investigated to study the role of Cu-rich second phase particles which smear on the wear surface during sliding. The wear resistance of the material was improved with an increasing copper concentration. The improved wear resistance was probably obtained by forming a protective tribofilm, which prevented metal-to-metal contact through smearing of the embedded Cu-rich second phase particles. This formation of protective oxide films during sliding is likely to improve the wear resistance of austenitic Fe-Cr-C-Mn-Cu cast composite alloys.

Keywords

adhesive wear metal-matrix composite copper smearing self-lubricating 

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Copyright information

© The Korean Institute of Metals and Materials and Springer Netherlands 2011

Authors and Affiliations

  • Ki Nam Kim
    • 1
  • Byung Sik Kim
    • 1
  • Gyeong Su Shin
    • 1
  • Myung Chul Park
    • 1
  • Deok Hyun Lee
    • 2
  • Seon Jin Kim
    • 1
    Email author
  1. 1.Division of Materials Science and EngineeringHanyang UniversitySeoulKorea
  2. 2.Korea Atomic Energy Research InstituteDaejeonKorea

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