Search
Search Results
-
Grain Boundary Mechanics -- New Approaches to Microstructure Control
The reaction of grain boundaries to mechanical stresses is reviewed. Results of in-situ experiments on planar, symmetrical tilt grain boundaries with...
-
Grain-boundary topological superconductor
Majorana zero modes (MZMs) are of central importance for modern condensed matter physics and quantum information due to their non-Abelian nature,...
-
Grain boundary engineering for enhancing intergranular damage resistance of ferritic/martensitic steel P92
Ferritic/martensitic (F/M) steel is widely used as a structural material in thermal and nuclear power plants. However, it is susceptible to...
-
Calculation of GB Energies and Grain-Boundary Self-diffusion in Nickel and Verification of Borisov Relations for Various Symmetric Tilt Grain Boundaries
Symmetrical boundaries with tilt axes <100> , <110> and <111> in nickel have been studied using atomistic modeling methods. The energies of grain...
-
Grain Boundary Diffusion Effect on Ti3Al Alloy Oxidation
The paper presents a model of grain boundary diffusion supplemented by kinetic equations of oxide formation under isothermal conditions. In the...
-
Phase-field crystal simulation of tilt grain boundary evolution under tensile deformation
The grain boundary (GB) migration and dislocation movement are the basic mechanisms of deformation and strengthening of alloys. The migration of...
-
Transport Properties of Low-Angle Grain Boundaries in High-Temperature Superconductors under the Model of Split Dislocations of the Boundary
AbstractA model is proposed for low-angle grain boundaries of 45° dislocations in high-temperature superconductors with alternating sign components...
-
Atomistic Simulation of Grain Boundaries in Niobium: Structure, Energy, Point Defects and Grain-Boundary Self-Diffusion
The < 110 > symmetric tilt grain boundaries in niobium have been studied by computer simulation methods. The structure and energies of the considered...
-
Thermodynamic theory of dislocation/grain boundary interaction
The thermodynamic theory of dislocation/grain boundary interaction, including dislocation pileup against, absorption by, and transfer through the...
-
Grain-Boundary Diffusion of Titanium in Zr-1 wt.%Nb Alloy Under Irradiation with a Pulsed Electron Beam
The effect of irradiation with a pulsed electron beam on the diffusion of titanium in the polycrystalline Zr-1 wt.% Nb alloy is studied using...
-
Effect of Temperature Dynamics on TiAl Oxidation Due to Grain-Boundary Diffusion of Oxygen
Grain boundary diffusion accelerates the penetration of oxygen and oxidation during heating of the material with a micro- and nanostructure. The...
-
Atomic simulation of effects of Ʃ5 grain boundary on mechanical properties of Ni3Al
The influence of Ʃ5 grain boundary on mechanical properties of Ni 3 Al alloy is investigated under uniaxial loading by molecular dynamics simulation....
-
Effect of Grain Boundary Diffusion Pr and Cu on Properties of Sintered Nd-Fe-B Permanent Magnet
The Pr, Cu, and Pr 75 Cu 25 were deposited on the sintered NdFeB by magnetron sputtering technology, and the samples were subjected to grain boundary...
-
Atomistic study on the microscopic mechanism of grain boundary embrittlement induced by small dense helium bubbles in iron
The helium bubbles induced by 14 MeV neutron irradiation can cause intergranular fractures in reduced activation ferritic martensitic steel, which is...
-
Evolution of the Structure and Grain Boundary Ensemble of Nickel during Diffusion Annealing under Conditions a Segregating Impurity (Silver) on Grain Boundaries
An investigation of the effect of an impurity (silver) segregating on the grain boundaries of nickel on the evolution of the structure and...
-
Manipulating dielectric relaxation via anisotropic field deviations in perovskite titanate grain–grain boundary heterostructure: a joint experimental and theoretical venture
Effect of dc field is comprehended in impedance, dielectric, admittance and modulus spectra (40 Hz–20 MHz) of solid-state synthesized,...
-
Interfacial interaction, bonding energy and configuration transformation of calcium silicate hydrate/graphene oxide coupled by grain boundary
Defects are particularly significant in two-dimensional (2D) materials, and their behavior is different from that in bulk materials. What effect will...
-
Effect of B and Ce on the grain boundary segregation of Mo-rich phases in super-austenitic stainless steels
Mo-rich precipitation in super-austenitic stainless steels has significant effects on their hot workability and corrosion resistance. The occupation...
-
Periodic Grain Boundary Grooves: Analytic Model, Formation Energies, and Phase-Field Comparison
Analytic profiles for periodic grain boundary grooves (PGBGs) were determined from variational theory. Variational profiles represent stationary...
-
Effect of (TbF3 + CaH2) pastes grain boundary diffusion on coercivity and remanence of GaAlCu-doped Nd–Fe–B sintered magnets
Grain boundary diffusion of TbF 3 can improve the magnetic properties and thermal stability of NdFeB sintered magnets. The reducing agent CaH 2 can...
