Journal
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
Volume 46A, Issue 6, Pages 2342-2346Publisher
SPRINGER
DOI: 10.1007/s11661-015-2894-4
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Funding
- LATEST
- LATEST, the University of Manchester EPSRC Light Alloys Portfolio Partnership [EP/D029201/1]
- Constellium CRV
- LATEST, the University of Manchester EPSRC Light Alloys Portfolio Partnership
- Engineering and Physical Sciences Research Council [EP/D029201/1] Funding Source: researchfish
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The major strengthening phase of modern Al-Cu-Li alloys, T-1, is so far known to nucleate on a number of sites in the microstructure. However, its preferential nucleation on Al20Cu2Mn3 dispersoids has never been reported with strong evidence up to now. The present work suggests that such heterogeneous nucleation is possible and performs a comparison with the precipitates distributed homogeneously in the matrix. This phenomenon is shown to promote a particle decohesive fracture mode.
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