Changes in strain-dependent internal friction during fatigue (of Al-alloys)
β Scribed by G Screm; F Gatto
- Publisher
- Elsevier Science
- Year
- 1975
- Weight
- 455 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0025-5416
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π SIMILAR VOLUMES
## Me~~ements are presented on the behaviour of the shear modulus and the internal friction of polycrystalline copper during torsional fatigue at 78Β°K. During fatigue the total strain amplitude, adjustable between 5 x 1O-4 and 1.5 x 1O-2, is kept constant. Analyzed in terms of the dislocation stri
Strain amplitude dependent internal friction in zone-refined aluminum, containing silver and copper as impurities, was measured as a function of hydrostatic pressure with cold-work as an additional parameter. Using a modification of the torsional pendulum apparatus, the measurements were conducted a
The transient cyclic behavior caused by a sudden change of strain is of interest, because this transient period is the stage which connects the cyclic behaviors at the old level and the new level and will control behavior during variable amplitude loading. Thus, this transient behavior was investiga