Cavitation-resistant intergranular precipitates enhance creep performance of θ'-strengthened Al-Cu based alloys
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Tensile and compressive creep properties of a quaternary Al-Cu-Mn-Zr (ACMZ) alloy and its commercial counterpart (Al-Cu-Mn-Zr with Ni, Co and Sb additions, RR350) are investigated at 300° C. At low stresses up to 30 MPa where diffusional creep dominates, cree... ...