Microstructural features of fusion welded 2024-T351
Lefebvre, F., Wang, S., Starink, M.J. and Sinclair, I. (2002) Microstructural features of fusion welded 2024-T351. In, Gregson, P.J. and Harris, S. (eds.) Aluminium Alloys 2002: Their Physical and Mechanical Properties. 8th International Conference ICAA8 Switzerland, Trans Tech, 1555-1560. (Materials Science Forum 396-402).
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Description/Abstract
Microstructural features have been investigated in fusion welded samples of the established Al-Cu-Mg-Mn airframe alloy, 2024-T351. Specifically, the local strengthening and precipitate conditions have been assessed for variable polarity plasma arc (VPPA) welding of 13mm thick plate. Microstructures were studied using a combination of differential scanning calorimetry (DSC) and transmission electron microscopy (TEM). Micro-hardness measurements (Vickers hardness) were carried out, identifying a two peak structure in the heat affected zone (HAZ) and a minimum plateau in the fusion zone. The influences of aging, re-solutionising and re-precipitation are noted across the HAZ, along with the incidence of the omega(Al2Cu) phase.
| Item Type: | Book Section |
|---|---|
| Additional Information: | Series ISSN 0255-5476 |
| ISBNs: | 0878498990 (hardback) |
| Related URLs: | |
| Keywords: | 2024, vppa weld, microstructure, dsc, tem, Vickers hardness, GP zones, clusters, strength, precipitation |
| Subjects: | T Technology > TN Mining engineering. Metallurgy Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences |
| Item ID: | 22057 |
| Date Deposited: | 22 Mar 2006 |
| Last Modified: | 02 Mar 2012 12:46 |
| Contributors: | Lefebvre, F. (Author) Wang, S. (Author) Starink, M.J. (Author) Sinclair, I. (Author) Gregson, P.J. (Editor) Harris, S. (Editor) |
| Date: | 2002 |
| Additional Information: | Series ISSN 0255-5476 |
| Status: | Published |
| Publisher: | Trans Tech |
| URI: | http://eprints.soton.ac.uk/id/eprint/22057 |
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