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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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|
|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
|Accepted Date and Publication Date:||
|Date Deposited:||22 Mar 2006|
|Last Modified:||31 Mar 2016 11:41|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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