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Enhanced Strengthening in Ultrafine‐Grained Al–Mg–Si Alloys Produced via ECAP with Parallel Channels
Author(s) -
Bobruk Elena Vladimirovna,
Kazykhanov Vil Uzbekovich,
Murashkin Maxim Yurievich,
Valiev Ruslan Zufarovich
Publication year - 2015
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201500119
Subject(s) - materials science , severe plastic deformation , precipitation hardening , microstructure , pressing , metallurgy , hardening (computing) , precipitation , thermomechanical processing , aluminium , ductility (earth science) , strengthening mechanisms of materials , metastability , grain boundary , composite material , creep , physics , layer (electronics) , quantum mechanics , meteorology
This paper investigates a dynamic aging effect induced by severe plastic deformation (SPD) and subsequent artificial aging on structure and mechanical properties of aluminum Al–Mg–Si alloys. Application of optimal processing parameters of SPD via equal‐channel angular pressing with parallel channels and subsequent artificial aging ensures simultaneous enhancement of strength and ductility in the processed alloys. Ultrafine‐grained microstructures with strengthening metastable β′ and β″ precipitates generated during SPD processing and subsequent artificial aging provide enhanced strength due to significant grain boundary hardening and precipitation hardening.