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. 2021 Jul 31;14(15):4307. doi: 10.3390/ma14154307

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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FE-SEM images and EDS line scan result with elements Al and Cu (green line: Al Kα 1, red line: Cu Lα 1,2) in cross-section of Al-50vol% Cu composites sintered at (a,d) 360 °C, (b,e) 380 °C, and (c,f) 400 °C.