Paper Title:
Fretting Wear Resistance of ATW Cr3C2/Ni3Al Composite Hardfacing on IC6SX
  Abstract

The fretting wear performance of surface wear-resistant Cr3C2/Ni3Al composite deposited onto IC6SX alloy by manual argon tungsten-arc welding was investigated in this study. The results showed that the welded substrate exhibits a very good performance in comparison to the unwelded substrate at 500°C and 800°C, with 51.5% and 57.8% decrease of the fretting sectional area respectively. However, the fretting sectional area of the welded substrate is larger than that of the unwelded substrate at RT indicating poor fretting resistance as the reinforce phases of the welding layer is harder and more harmful to the sample surface. Examination of the fretting surfaces indicated that both the welded and unwelded samples undergo gross slip at RT and 500°C, and partial slip at 800°C. Coefficient of friction (COF) results were given by the SRV-4 tester which shows that as the temperature goes up, the COF of samples became lower and more stable. The results showed that the COF of welded substrate is lower than that of the unwelded substrate most of the time.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
532-537
DOI
10.4028/www.scientific.net/MSF.654-656.532
Citation
S. S. Li, M. L. Wu, L. Sun, L. W. Jiang, Y. F. Han, "Fretting Wear Resistance of ATW Cr3C2/Ni3Al Composite Hardfacing on IC6SX", Materials Science Forum, Vols. 654-656, pp. 532-537, 2010
Online since
June 2010
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