The Energy Stored in Fatigued Metals

Preliminary results are presented of determinations of stored energy and hardness for two series of specimens of O.F.H.C. copper fatigued at stresses which gave rise to failure at 2$\cdot $8 $\times $ 10$^{4}$ cycles in one case and 10$^{6}$ cycles in the other. X-ray back-reflexion patterns are als...

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Bibliographic Details
Published in:Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences Mathematical and physical sciences, 1957-10, Vol.242 (1229), p.160-166
Main Authors: Clarebrough, L. M., Hargreaves, M. E., West, G. W., Head, A. K.
Format: Article
Language:English
Subjects:
A Discussion on Work-Hardening and Fatigue in Metals
Annealing
Compressive stress
Copper
Deformation
Energy
Fatigue
Hardness
Material fatigue
Recrystallization
Specimens
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Summary:Preliminary results are presented of determinations of stored energy and hardness for two series of specimens of O.F.H.C. copper fatigued at stresses which gave rise to failure at 2$\cdot $8 $\times $ 10$^{4}$ cycles in one case and 10$^{6}$ cycles in the other. X-ray back-reflexion patterns are also presented. For the specimens fatigued at the high stress the stored energy is released by a combination of recovery and recrystallization, but for the specimens fatigued at the low stress only recovery has been observed. More energy is stored in the specimens fatigued at the higher stress. Some observations on work-softening during fatigue and of the energy stored in fatigued nickel are also reported.
ISSN:1364-5021
0080-4630
1471-2946
2053-9169
DOI:10.1098/rspa.1957.0164