Temperature effects on the fatigue behavior of ultrafine-grained copper produced by equal channel angular pressing
β Scribed by Li, X. W. ;Umakoshi, Y. ;Wu, S. D. ;Wang, Z. G. ;Alexandrov, I. V. ;Valiev, R. Z.
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 473 KB
- Volume
- 201
- Category
- Article
- ISSN
- 0031-8965
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Many unusual properties of ultrafine grain materials obtained by equal channel angular pressing (ECAP) are commonly attributed to non-equilibrium grain boundaries. Such grain boundaries are expected to exhibit higher values of energy, higher amplitude of strain fields, a larger free volume and a hig
The diffusion of 63 Ni radiotracer in ultrafine grain (UFG) Cu produced by equal channel angular pressing (ECAP) was studied using the serial-sectioning method. The diffusion annealings were performed in the temperature range of 424-553 K for annealing times at which volume diffusion is negligible a