Principles of grain refinement in magnesium alloys processed by equal-channel angular pressing
β Scribed by Roberto B. Figueiredo; Terence G. Langdon
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 552 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0022-2461
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π SIMILAR VOLUMES
Fig. 1. Appearance of specimens tested to failure at 473 K with an initial strain rate of 1.0 Γ 10 -4 s -1 after processing by ECAP for different numbers of passes: the upper specimen is untested.
Experiments were conducted on two commercial aluminum alloys, Al-6061 and Al-7034, to evaluate the development of any plastic anisotropy during processing by equal-channel angular pressing (ECAP). After pressing through various numbers of passes, compression tests were conducted at room temperature
We report the results of measurements of the grain size distribution function and the thermal conductivity of ultrafine-grained copper produced by equal channel angular pressing (ECAP), with special attention to the evolution of these quantities with the number of pressing cycles. To explain the exp