Effect of Stacking-Fault Energy on the Deformed Structures and Work Hardening of Ag and Ni after Scratching during Early Loading Stage
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DOI: 10.1007/s11665-020-05228-4
Abstract: Friction wear are accompanied by the formation of refined structures and shear bands in the surface layers of metals and alloys. The propensity for refinement and shear band formation is mainly determined by the stacking-fault… read more here.
Keywords: friction; stacking fault; deformation hardening; fault energy ... See more keywords
Stacking fault energy of C-alloyed steels : The effect of magnetism
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DOI: 10.1016/j.actamat.2016.09.038
Abstract: Abstract First-principles calculations have been performed to study the effect of C on the stacking fault energy (SFE) of paramagnetic γ -Fe and Fe Cr Ni austenitic steel. In these systems, the local magnetic structure… read more here.
Keywords: effect; fault energy; effect sfe; stacking fault ... See more keywords
Comprehensive first-principles study of stable stacking faults in hcp metals
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DOI: 10.1016/j.actamat.2016.10.042
Abstract: The plastic deformation in hcp metals is complex, with the associated dislocation core structures and properties not well understood on many slip planes in most hcp metals. A first step in establishing the dislocation properties… read more here.
Keywords: hcp metals; stacking faults; stacking fault; stable stacking ... See more keywords
Slip versus twinning in low and very low stacking-fault energy Cu-Al alloy single crystals
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DOI: 10.1016/j.actamat.2017.05.011
Abstract: Abstract The effect of stacking fault energy on slip to twin shear changeover in soft oriented single crystals of single phase Cu-Al alloys loaded in tension, was investigated. The single crystals of stacking fault energy… read more here.
Keywords: fault energy; twinning stress; single crystals; stacking fault ... See more keywords
First-principles modeling of superlattice intrinsic stacking fault energies in Ni3Al based alloys
Sign Up to like & getrecommendations! Published in 2018 at "Acta Materialia"
DOI: 10.1016/j.actamat.2017.11.042
Abstract: Abstract High-throughput quantum mechanics based simulations have been carried out to establish the change in lattice parameter and superlattice intrinsic stacking fault (SISF) formation energies in Ni3Al-based alloys using the axial Ising model. We had… read more here.
Keywords: fault; energies ni3al; superlattice intrinsic; stacking fault ... See more keywords
Highly pressurized helium nanobubbles promote stacking-fault-mediated deformation in FeNiCoCr high-entropy alloy
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DOI: 10.1016/j.actamat.2021.116843
Abstract: Abstract Tailoring nanoscale defect structures for desirable deformation behaviors is crucial to designing and optimizing the mechanical properties of alloys. Distinguishing from the predominant toughening mechanisms (e.g., mechanical twinning and deformation-induced phase transformation), here we… read more here.
Keywords: helium; pressurized helium; helium nanobubbles; highly pressurized ... See more keywords
Stacking fault disorder induced by Mn doping in Ni(OH)2 for supercapacitor electrodes
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DOI: 10.1016/j.cej.2021.128617
Abstract: Abstract Mn-doping engineering route has been demonstrated an effective way to enhance the electronic conductivity of α-Ni(OH)2 as a hybrid supercapacitor electrode material. However, the problem of limited cycling lifetime remains unsolved and the structural… read more here.
Keywords: disorder induced; stacking fault; supercapacitor; fault disorder ... See more keywords
Effect of lattice structure evolution and stacking fault energy on the properties of Cu–ZrO2/GNP nanocomposites
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DOI: 10.1016/j.ceramint.2021.07.129
Abstract: Abstract A hybrid nanocomposite comprising nanosized ZrO2 and graphene nanoplatelet (GNP)-reinforced Cu matrix was synthesised via powder metallurgy. The influence of sintering temperature and GNP content on the electrical and mechanical behaviour of the Cu–ZrO2/GNP… read more here.
Keywords: electrical conductivity; fault energy; gnp; stacking fault ... See more keywords
The effect of yttrium on the generalized stacking fault energies in Mg
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DOI: 10.1016/j.commatsci.2017.02.030
Abstract: Abstract For dislocations in non-basal planes in hexagonal close-packed crystalline solids, the corresponding generalized stacking faults (GSFs) are not unique, and the resultant changes of generalized stacking fault energies (GSFEs) by solutes have different trends.… read more here.
Keywords: effect yttrium; yttrium; fault energies; stacking fault ... See more keywords
Shock velocity-dependent elastic-plastic collapse of pre-existing stacking fault tetrahedron in single crystal Cu
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DOI: 10.1016/j.commatsci.2019.109390
Abstract: Abstract Stacking fault tetrahedron (SFT) is a characteristic vacancy clustered defect which can cause deterioration of metals through plastic instability. Here, we have studied the effect of shock loading on the structural transformation of the… read more here.
Keywords: plastic; stacking fault; sft; fault tetrahedron ... See more keywords
Stacking fault energy-dependent plastic deformation of face-centered-cubic metal nanowires under torsional loading
Sign Up to like & getrecommendations! Published in 2020 at "Extreme Mechanics Letters"
DOI: 10.1016/j.eml.2020.100895
Abstract: Abstract Using a series of molecular dynamics simulations, we study the plastic deformation of 110 -oriented single crystalline face-centered-cubic (FCC) metallic nanowires (NWs) under torsional loading for two representative materials with different stacking fault energies,… read more here.
Keywords: fault; face centered; stacking fault; centered cubic ... See more keywords