Fatigue Strength of Ultrafine Grained Copper Treated by Post-ECAP Mild Annealing

Abstract:

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In order to study the effect of post-ECAP (equal channel angular pressing) mild annealing treatment on fatigue strength of ultrafine grained (UFG) copper, the stress-controlled fatigue tests of UFG copper with and without post-ECAP annealing treatment were performed for a wide range of fatigue life. The evolution of surface damage and growth behavior of surface cracks were monitored by plastic replication technique. The effect of post-ECAP annealing on the fatigue strength was discussed through the observation of changes in surface morphological features.

Info:

Periodical:

Edited by:

George Ferguson, Ashvin Thambyah, Michael A Hodgson and Kelly Wade

Pages:

23-26

DOI:

10.4028/www.scientific.net/AMR.275.23

Citation:

M. Goto et al., "Fatigue Strength of Ultrafine Grained Copper Treated by Post-ECAP Mild Annealing", Advanced Materials Research, Vol. 275, pp. 23-26, 2011

Online since:

July 2011

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Price:

$35.00

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