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Impact of grain microstructure on the heterogeneity of precipitation strengthening in an Al-Li-Cu alloy

Dorin, Thomas, Deschamps, Alexis, De Geuser, Frederic and Robaut, Florence 2015, Impact of grain microstructure on the heterogeneity of precipitation strengthening in an Al-Li-Cu alloy, Materials science and engineering A, vol. 627, pp. 51-55.

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Title Impact of grain microstructure on the heterogeneity of precipitation strengthening in an Al-Li-Cu alloy
Author(s) Dorin, ThomasORCID iD for Dorin, Thomas orcid.org/0000-0002-1033-961X
Deschamps, Alexis
De Geuser, Frederic
Robaut, Florence
Journal name Materials science and engineering A
Volume number 627
Start page 51
End page 55
Total pages 5
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-03-01
ISSN 0921-5093
Keyword(s) Dislocations
Electron backscatter diffraction (EBSD)
Pre-stretching
Precipitation
Texture
Science & Technology
Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Science & Technology - Other Topics
Materials Science
HOT-ROLLING TEXTURES
AEROSPACE APPLICATIONS
ANISOTROPY
EVOLUTION
Summary The effect of grain microstructure on the age-hardening behavior is investigated on recrystallized and un-recrystallized Al-Cu-Li alloys by combining electron-backscatter-diffraction and micro-hardness mapping. The spatial heterogeneity of micro-hardness is found to be strongly dependent on the grain microstructure. Controlled experiments are carried out to change the pre-strain before artificial ageing. These experiments lead to an evaluation of the range of local strain induced by pre-stretching as a function of the grain microstructure and results in heterogeneous formation of the hardening T1 precipitates.
Language eng
Field of Research 020406 Surfaces and Structural Properties of Condensed Matter
090102 Aerospace Materials
091207 Metals and Alloy Materials
Socio Economic Objective 970102 Expanding Knowledge in the Physical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Persistent URL http://hdl.handle.net/10536/DRO/DU:30073814

Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Fri, 14 Aug 2015, 12:51:22 EST

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