Generalized stacking fault energies of alloys
WebIn this study, we performed microscopic phase field simulations, with generalized-stacking-fault (GSF) energy surfaces from ab initio calculations as inputs, to systematically study the shearing ... WebJan 20, 2024 · The room temperature damping of the as-CRed alloy is mainly ascribed to the low stacking fault energy (SFE), the high dislocation density and the finer broken second phase particles. Moreover, the as-CRed alloy also presents excellent high temperature damping, with the maximum Q-1 value of 0.212 ± 0.003 at 361 ℃ with the …
Generalized stacking fault energies of alloys
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WebMar 1, 2012 · We found that the highest reductions of γ USF and γ SF are observed in the alloys with Pb and Sn, which decrease the energy barrier for partial dislocations and stacking fault formation greatly. The highest energies of γ SF were found for Mg alloyed with Ag, Cu, Fe, Mn, Ni, Ti and Zr. WebAug 1, 2016 · DOI: 10.1016/J.COMMATSCI.2016.04.031 Corpus ID: 137893383; First-principles calculations of generalized-stacking-fault-energy of Co-based alloys @article{Achmad2016FirstprinciplesCO, title={First-principles calculations of generalized-stacking-fault-energy of Co-based alloys}, author={Tria Laksana Achmad and Wen …
WebAug 1, 2016 · The generalized-stacking-fault-energy (GSFE) curve for pure Cobalt and Co-9 at.%X solid-solution alloys (X = Cr, W, Mo, Ni, Mn, Al, Fe) have been successfully calculated by rigidly shearing an fcc crystal at a (1 1 1) plane along a [1 1 −2] slip direction in two processes using first-principles density-functional-theory (DFT), provide a highly … WebMay 23, 2011 · We also show that the formation of defect-free twins, a process related to the material stacking fault energy, nanometer size scale, and surface stresses is the mechanism that controls the ability ...
WebJun 6, 2014 · The generalized stacking fault energy ( γ surface) provides fundamental physics for understanding the plastic deformation mechanisms. Using the ab initio exact …
WebIn order to clarify the effect of those elements, the elastic properties, generalized stacking fault energies and critical resolved shear stress of the Pd-X alloys were comprehensively analyzed by first-principle method. The variation of those elastic and ductile properties via alloying elements has been obtained.
WebApr 11, 2024 · The microstructure observation indicated that the width of stacking fault in γ′ phase in 12Co alloy was increased by 51.8 nm, and the stable stacking faults energy of γ′ phase was reduced by ... nba ghetto film schoolWebDec 26, 2024 · Using first-principles methods, we investigate the effect of Al on the generalized stacking fault energy of face-centered cubic (fcc) CrMnFeCoNi high … marlette best egg credit cardWebThe generalized stacking fault energy γGSF [ 24, 26] along the slip plane is defined as: (2) γ = E ( u) − E ( 0) A where u = ( u1, u2) is shift vector, representing the relative displacement between upper and lower half part of the slip plane. marlette by schult homesWebJan 1, 2024 · Abstract and Figures. Generalised stacking fault energies of copper alloys have been calculated using density functional theory. Stacking fault energy of copper alloys is correlated with the d ... marlette clayton homesWebApr 11, 2024 · Excellent high-temperature mechanical properties of Ni-based single-crystal superalloys (NSCSs) are attributed to the yield strength anomaly of ${\mathrm{Ni}}_{3}\mathrm{Al}$ that is intimately related to generalized stacking fault energies (GSFEs). Therefore, clarifying the effects of alloying elements on the GSFEs is … nba geographyWebJul 2, 2014 · The generalized stacking fault energy (γ surface) provides fundamental physics for understanding the plastic deformation mechanisms. Using the ab initio … marlette auction michiganWebJun 1, 2024 · The generalized stacking fault energy (GSFE) is a very useful concept to describe stable and unstable planar defects and their energies on a slip plane. It plays an essential role in... marlette community school calendar