Strength and stability through variable micro segregation behaviour of Ta and Zr solutes at intermetallic interfaces in Al-Cu alloys
A small amount of Zr and Ta are added to aluminium-copper (Al-Cu) alloys, and the
evolution of strengthening phases with multi-step heat-treatment and their stability after …
evolution of strengthening phases with multi-step heat-treatment and their stability after …
Aging behavior and strengthening mechanisms of coarsening resistant metastable θ'precipitates in an Al–Cu alloy
Abstract An Al–Cu alloy micro-alloyed with Mn and Zr (ACMZ) was examined to understand
the thermal stability and strengthening mechanism of metastable θ'-Al 2 Cu precipitates with …
the thermal stability and strengthening mechanism of metastable θ'-Al 2 Cu precipitates with …
Microstructural evolution and strengthening mechanisms in a heat-treated additively manufactured Al–Cu–Mn–Zr alloy
The microstructural and strength evolution of an additively manufactured Al-8.6 Cu-0.5 Mn-
0.9 Zr alloy upon aging at 300, 350, and 400° C is investigated. The strengthening phases of …
0.9 Zr alloy upon aging at 300, 350, and 400° C is investigated. The strengthening phases of …
Influence of Fe-rich phases and precipitates on the mechanical behaviour of Al-Cu-Mn-Fe-Sc-Zr alloys studied by synchrotron X-ray and neutron
A multiscale methodology using scanning and transmission electron microscope,
synchrotron X-ray nano-tomography and micro-tomography, small angle neutron scattering …
synchrotron X-ray nano-tomography and micro-tomography, small angle neutron scattering …
Effect of grain-boundary θ-Al2Cu precipitates on tensile and compressive creep properties of cast Al–Cu–Mn–Zr alloys
Tensile and compressive creep tests were performed at 300° C on high-temperature Al–Cu–
Mn–Zr (ACMZ) alloys with 6 wt% Cu (6Cu) and 9 wt% Cu (9Cu) to evaluate the effect on …
Mn–Zr (ACMZ) alloys with 6 wt% Cu (6Cu) and 9 wt% Cu (9Cu) to evaluate the effect on …
Effects of yttrium additions on microstructures and mechanical properties of cast Al-Cu-Mg-Ag alloys
Z Mei, Z Liu, S Bai, J Wang, J Cao - Journal of Alloys and Compounds, 2021 - Elsevier
The effects of microalloying with yttrium on the microstructures and mechanical properties of
cast Al-Cu-Mg-Ag alloys at ambient and elevated temperatures are investigated using …
cast Al-Cu-Mg-Ag alloys at ambient and elevated temperatures are investigated using …
A cycle-jump acceleration method for the crystal plasticity simulation of high cycle fatigue of the metallic microstructure
For metallic materials, high-cycle fatigue life is sensitive to underlying microstructure
features including secondary phases, textures, grains morphology, etc. The traditional, data …
features including secondary phases, textures, grains morphology, etc. The traditional, data …
The interplay of precipitation of ordered compounds and interfacial segregation in Al‐Cu‐Hf‐Si alloys for high-temperature strength
Abstract Achieving high yield strength (250-270 MPa) at elevated temperatures (250° C and
above) for precipitation strengthened aluminium-copper (Al-Cu) alloys still remains a …
above) for precipitation strengthened aluminium-copper (Al-Cu) alloys still remains a …
An additively manufactured AlCuMnZr alloy microstructure and tensile mechanical properties
Selective laser melting (SLM) was used to fabricate an AlCuMnZr alloy. The microstructural
features that resulted from additive manufacturing (AM) were significantly refined compared …
features that resulted from additive manufacturing (AM) were significantly refined compared …
Crystallographic orientation-dependent strain hardening in a precipitation-strengthened Al-Cu alloy
While the strengthening of Al-Cu alloys due to precipitation has been extensively studied,
the effect of crystallographic orientation of the matrix and precipitates, as well as precipitate …
the effect of crystallographic orientation of the matrix and precipitates, as well as precipitate …