Strong and ductile Al–Zn–Mg–Zr alloy obtained by equal angular pressing and subsequent aging
T Lei, X Peng, F Jiang, LI Yao, G Xu - … of Nonferrous Metals Society of China, 2022 - Elsevier
Abstract An ultrafine-grained Al–Zn–Mg–Zr alloy with superior mechanical performance was
obtained by high passes of equal angular pressing (ECAP) and subsequent aging. After 8
ECAP passes and aging, the yield strength (YS) and ultimate tensile strength (UTS) of the
solid-solutioned alloy are significantly improved from (98±10) and (226±7) MPa to (405±9)
and (427±9) MPa, respectively. A large elongation is also maintained ((17.4±2.5)%). The
microstructure features including grain refinement, morphology of precipitates, and …
obtained by high passes of equal angular pressing (ECAP) and subsequent aging. After 8
ECAP passes and aging, the yield strength (YS) and ultimate tensile strength (UTS) of the
solid-solutioned alloy are significantly improved from (98±10) and (226±7) MPa to (405±9)
and (427±9) MPa, respectively. A large elongation is also maintained ((17.4±2.5)%). The
microstructure features including grain refinement, morphology of precipitates, and …
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