期刊
APPLIED PHYSICS LETTERS
卷 98, 期 20, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3590171
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资金
- Australian Research Council [LE0454166]
- Australian Research Council [LE0454166] Funding Source: Australian Research Council
Among the many considerable challenges faced in developing a rational basis for advanced alloy design, establishing accurate atomistic models is one of the most fundamental. Here we demonstrate how advanced imaging techniques in a double-aberration-corrected transmission electron microscope, combined with ab initio modeling, have been used to determine the atomic structure of embedded 1 nm thick T-1 precipitates in precipitation-hardened Al-Li-Cu aerospace alloys. The results provide an accurate determination of the controversial T-1 structure, and demonstrate how next-generation techniques permit the characterization of embedded nanostructures in alloys and other nanostructured materials. (C) 2011 American Institute of Physics. [doi:10.1063/1.3590171]
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