Journal
SCRIPTA MATERIALIA
Volume 61, Issue 7, Pages 760-763Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.06.025
Keywords
Synchrotron radiation; Aluminium alloys; Titanium alloys; Metal matrix composites; Synchrotron tomography
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High-resolution three-dimensional (3-D) imaging of heterogeneous metals was performed by high-energy magnified synchrotron tomography using Kirkpatrick-Baez focusing optics, achieving voxel sizes of (50-60 nm)(3). Holotomographic reconstructions were created based on absorption and phase contrast. Microstructural features as small as similar to 180 nm were detected in ternary eutectic Al-Mg2Si-Si, SiC-particle-reinforced AlCu4, near-beta Ti-10V-2Fe-3Al, and in TiB-reinforced alpha + beta Ti-6Al-4V. The phase-retrieval procedure yielded enough contrast to segment the individual phases and analyze their shapes and 3-D architecture. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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