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Microstructural changes during high temperature deformation of an Al-Li(8090) alloy

AuthorsEddahbi, M.; Carreño, Fernando; Ruano, Oscar Antonio
KeywordsAluminium base alloys
Lithium alloys
Flow stress
Issue Date1998
CitationScripta Materialia 38(11) : 1717-1723 (1998)
AbstractIn this work, the high temperature tensile behavior of an aluminum-lithium (8090) alloy is studied at various strain rates and temperatures. In particular, special attention was paid to the oscillations observed in the true stress versus strain curves at high strain rate, 0.8 s{sup {minus}1}, and high temperatures in excess of 380 C (> 0.57 T{sub m}, where T{sub m} is the melting temperature). The changes in the microstructure were analyzed and correlated to the flow curves of the deformed samples.
Publisher version (URL)http://dx.doi.org/10.1016/S1359-6462(98)00081-5
Appears in Collections:(CENIM) Artículos
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