Ultra-fine grain (UFG) Cu-Cr alloy is prepared by equal-channel angular pressing (ECAP). The microstructure, tensile and fatigue properties of the UFG Cu-Cr alloy were investigated. The bulk materials with average grain size of ∼230 nm were obtained through ECAP for 12 times. The cellular subgrains
Structure and properties of ultra-fine grain Cu–Cr–Zr alloy produced by equal-channel angular pressing
✍ Scribed by A Vinogradov; V Patlan; Y Suzuki; K Kitagawa; V.I Kopylov
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 382 KB
- Volume
- 50
- Category
- Article
- ISSN
- 1359-6454
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## Abstract The 3D grain boundary character distribution (GBCD) of a sample subjected to equal channel angular pressing (ECAP) after eight passes and successive annealing at 650 °C for about 10 min is analyzed. The experiments are conducted using a dual beam system, which is a combination of a focu
The influence of temperature on shear modulus and internal friction in ultrafine-grained copper processed by equal channel angular pressing (ECAP) was investigated in the temperature range from 150 to 520 K. Acoustic measurements were performed on the inverted torsion pendulum at the frequencies of