Experimental Technique for Fully-Reversed<xpp>qa</xpp> Low-Cycle Fatigue Testing of Thin Metallic Foils

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Volume 35, Issue 4 (July 2007)

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ISSN: 0090-3973
Published Online: 19 April 2007
Page Count: 4

Experimental Technique for Fully-Reversedqa Low-Cycle Fatigue Testing of Thin Metallic Foils
Yang, D.

Holmes, J. W.
Composites and Advanced Materials Engineering Laboratory, Georgia Institute of Technology, School of Aerospace Engineering,

(Received 5 March 2006; accepted 17 January 2007)

Abstract

Details are provided for a new experimental approach to study the fully-reversed strain controlled low-cycle fatigue (LCF) behavior of thin metallic foils. To illustrate the technique the fatigue life of an Ni-base superalloy foil was studied at room temperature and 500°C. The fatigue tests were performed at a loading frequency of 2.2 Hz. For a strain amplitude of 1.5 % the fatigue life ranged from 649 and 754 cycles at room temperature and between 227 and 340 cycles at 500°C. In addition to metallic foils, the technique can be used to study the fully-reversed bending of other materials such as optical fibers.

Keywords:
fatigue, Ni-base, foil, strain, elevated temperature

Paper ID: JTE100524
DOI: 10.1520/JTE100524
ASTM International is a member of CrossRef.

Author Title Experimental Technique for Fully-Reversedqa Low-Cycle Fatigue Testing of Thin Metallic Foils Symposium , 0000-00-00 Committee E08

		Home Journals STPs Manuals Topics Subscriptions/Pricing Digital Library / Journals / Journal of Testing and Evaluation (JTE) / Citation Page Volume 35, Issue 4 (July 2007) Click here to download this paper now for $25 PDF (192K) View License Agreement ISSN: 0090-3973 Published Online: 19 April 2007 Page Count: 4 Experimental Technique for Fully-Reversedqa Low-Cycle Fatigue Testing of Thin Metallic Foils Yang, D. Holmes, J. W. Composites and Advanced Materials Engineering Laboratory, Georgia Institute of Technology, School of Aerospace Engineering, (Received 5 March 2006; accepted 17 January 2007) Abstract Details are provided for a new experimental approach to study the fully-reversed strain controlled low-cycle fatigue (LCF) behavior of thin metallic foils. To illustrate the technique the fatigue life of an Ni-base superalloy foil was studied at room temperature and 500°C. The fatigue tests were performed at a loading frequency of 2.2 Hz. For a strain amplitude of 1.5 % the fatigue life ranged from 649 and 754 cycles at room temperature and between 227 and 340 cycles at 500°C. In addition to metallic foils, the technique can be used to study the fully-reversed bending of other materials such as optical fibers. Keywords: fatigue, Ni-base, foil, strain, elevated temperature Paper ID: JTE100524 DOI: 10.1520/JTE100524 ASTM International is a member of CrossRef. Author Title Experimental Technique for Fully-Reversedqa Low-Cycle Fatigue Testing of Thin Metallic Foils Symposium , 0000-00-00 Committee E08