期刊
ACTA MATERIALIA
卷 58, 期 10, 页码 3568-3581出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2010.02.027
关键词
Grain growth; Magnetic annealing; Zirconium; Magnetic anisotropy
资金
- Deutsche Forschungsgemeinschaft
- NSF [DMR-0084173]
- State of Florida
- DOE
The effect of a magnetic field on the development of texture and microstructure in cold-rolled (80%) commercially pure zirconium (Zr701) was investigated. The specifically oriented sheet specimens were annealed at 550 degrees C for 15, 30 and 45 min and at 700 degrees C for 60, 90 and 180 min in a magnetic field of 19 T and 17 T, respectively. X-ray diffraction and electron backscatter diffraction measurements were used to characterize the crystallographic texture and the grain microstructure. The results revealed that the magnetic annealing promotes grain growth in the investigated material. This becomes apparent from the faster development of specific grain growth texture components and the bigger mean grain size after magnetic annealing. Magnetic annealing at 700 degrees C resulted in asymmetry of the two major texture components that constantly increased with annealing time. This effect is attributed to a magnetic driving force for grain growth arising from the anisotropic magnetic susceptibility of zirconium. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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