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Effect of start-up procedure on the cyclic stress-strain behaviour of polycrystalline copper

✍ Scribed by W. Hessler; B. Weiss; R. Stickler; P. Lukáš; L. Kunz

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
642 KB
Volume
145
Category
Article
ISSN
0921-5093

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✦ Synopsis

The length of the start-up loading sequence in stresscontrolled high-cycle fatigue tests was found to considerably affect the cyclic hardening curves, the corresponding saturated dislocation structures and the fatigue lives of polycrystalline copper specimens. These findings seem of particular importance when fatigue data from different sources or test equipment are compared.

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Effect of grain size and ramp loading on
Effect of grain size and ramp loading on the low amplitude cyclic stress-strain curve of polycrystalline copper
✍ L. Llanes; C. Laird 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 335 KB

Recent results reported by Lukfg and coworkers raise questions about the differences in the cyclic stress-strain curves (CSSCs) of polycrystalline copper reported by many workers. In order to differentiate the effects on the CSSC of grain size and the ramp-loading mode of initiating a test in cyclic