Hardening behavior and structural evolution upon strain reversal of aluminum alloys

The mechanical behavior and the dislocation structure change upon strain reversal are analyzed for 1050-O and 6022-T4 aluminum alloys. Dissolution of the dislocation structure and related transient hardening rate are observed in the AA1050-O but impeded by the numerous precipitates and the high solu...

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Veröffentlicht in:	Scripta materialia 2002-06, Vol.46 (12), p.881-886
Hauptverfasser:	Rauch, E.F., Gracio, J.J., Barlat, F., Lopes, A.B., Ferreira Duarte, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum alloys Applied sciences Bauschinger effect Cold working, work hardening annealing, post-deformation annealing, quenching, tempering recovery, and crystallization Cold working, work hardening annealing, quenching, tempering, recovery, and recrystallization textures Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Mechanical properties Metals. Metallurgy Physics Structural behavior Treatment of materials and its effects on microstructure and properties
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Beschreibung
Zusammenfassung:	The mechanical behavior and the dislocation structure change upon strain reversal are analyzed for 1050-O and 6022-T4 aluminum alloys. Dissolution of the dislocation structure and related transient hardening rate are observed in the AA1050-O but impeded by the numerous precipitates and the high solute content in the AA6022-T4.
ISSN:	1359-6462 1872-8456
DOI:	10.1016/S1359-6462(02)00073-8