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2D SEM and 3D XCT investigation of in-situ Al-Cu-TiB2 semi-solid forged composites
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Mathew, James, Mandal, Animesh, Warnett, Jason M., Williams, M. A. (Mark A.), Chakraborty, M. and Srirangam, Prakash (2016) 2D SEM and 3D XCT investigation of in-situ Al-Cu-TiB2 semi-solid forged composites. Advanced Materials Proceedings, 1 (2). pp. 180-184. doi:10.5185/amp.2016/212 ISSN 2002-4428.
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Official URL: https://doi.org/10.5185/amp.2016/212
Abstract
The present work compares the 2D and 3D distribution of TiB2 particles in a semisolid processed Al-4.5%Cu-5wt.% TiB2 in-situ composite prepared by flux assisted synthesis. The composite was synthesized by the reaction of K2TiF6 and KBF4 salts in molten Al-4.5Cu alloy held at 800 oC for an hour. The extent of distribution of TiB2 particles was investigated using Field Emission Scanning Electron Microscopy (FESEM) and X-ray computed tomography (XCT) to obtain 2Dand 3D images respectively. The studies indicated improved distribution of TiB2 particles after semi-solid forging of composites (at 0.1 volume fraction of liquid and 50% reduction) as compared to as cast composites. The hardness of the semisolid forged composites showed a significant increase and is uniform in all directions. The increase in hardness could be attributed to particle fragmentation and its redistribution in the matrix. Further investigation will be needed to understand the mechanism of redistribution and investigate the mechanical properties of such composites in detail. Copyright © 2016 VBRI Press.
| Item Type: | Journal Article | ||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Journal or Publication Title: | Advanced Materials Proceedings | ||||||||
| Publisher: | VBRI Press | ||||||||
| ISSN: | 2002-4428 | ||||||||
| Official Date: | 2016 | ||||||||
| Dates: |
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| Volume: | 1 | ||||||||
| Number: | 2 | ||||||||
| Page Range: | pp. 180-184 | ||||||||
| DOI: | 10.5185/amp.2016/212 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Date of first compliant deposit: | 6 October 2016 | ||||||||
| Adapted As: |
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