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Improved Fatigue Properties of 316L Stainless Steel Using Glass-Forming Coatings

Published online by Cambridge University Press:  01 February 2011

F. X. Liu ,
C. L. Chiang ,
L. Wu ,
Y. Y. Hsieh ,
W. Yuan ,
J. P. Chu ,
P. K. Liaw ,
C. R. Brooks  and
R. A. Buchanan
F. X. Liu
Affiliation:
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
C. L. Chiang
Affiliation:
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA Institute of Materials Engineering, National Taiwan Ocean University, Keelung 202, Taiwan
L. Wu
Affiliation:
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
Y. Y. Hsieh
Affiliation:
Institute of Materials Engineering, National Taiwan Ocean University, Keelung 202, Taiwan
W. Yuan
Affiliation:
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
J. P. Chu
Affiliation:
Institute of Materials Engineering, National Taiwan Ocean University, Keelung 202, Taiwan
P. K. Liaw
Affiliation:
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
C. R. Brooks
Affiliation:
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
R. A. Buchanan
Affiliation:
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
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Abstract

The effects of the glass-forming coatings on the fatigue behavior of 316L stainless steel were investigated. Films consisting of 47%Zr, 31%Cu, 13%Al and 9%Ni (atomic percent) were deposited onto the stainless steel by magnetron sputtering. The influences of the substrate condition, the surface roughness, the adhesion, and the compressive residual stresses on the fatigue behavior were studied. The applications of the glass-forming coating gave rise to significant improvements in both the fatigue life and the fatigue limit, in comparison with the uncoated steel. Depending on the maximum stress applied to the steel, the fatigue life can be increased by at least 30 times, and the fatigue limit can be elevated by 30%.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 843: Symposium T – Surface Engineering-Fundamentals and Applications , 2004 , T3.24
Copyright
Copyright © Materials Research Society 2005

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References

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