[PDF] Top 20 Computational Study of Grain Boundaries and Nano-Reactive Materials
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Computational Study of Grain Boundaries and Nano-Reactive Materials
... individual grain boundaries, Foiles and co-workers used molecular dynamics with an artificial driving force method mentioned above [42] to calculate energies and mobilities for a total of 388 grain ... See full document
171
Superior Strength in Ultrafine Grained Materials Produced by SPD Processing
... their grain size ...these materials and this is associated with their grain boundaries structures, first of all with their non-equilibrium state and grain boundary ...of grain ... See full document
6
Special Grain Boundaries in Ultrafine Grained Tungsten
... structural materials. Studies of grain boundaries (GBs) in ultra-strength nanomaterials are of immense scientific ...interest. Grain boundaries have significant effects on the ... See full document
7
An EBSD and TEM Study on the Microstructural Evolution of in situ Synthesized (TiB+TiC)/Ti Matrix Composites during Superplastic Deformation
... difference is that dislocations met TiB can slid or climb continuously, shown as Fig. 6(a); while the dislocations piling-up at TiC can not get across TiC because of their thickness, shown as Fig. 6(b). The fine TiC ... See full document
6
The morphological characterisation of grains and grain boundaries
... the grain boundaries are ...the grain size with a high degree of precision ...austenite grain boundaries can be revealed only in rare cases [80], The method to be used for measurement ... See full document
301
Scattering theory of graphene grain boundaries
... We now formulate a theory of the n/n’ grain boundary junction based on the Hamiltonian model 458. presented in Sec[r] ... See full document
20
Ft-Ir and Computational Study of Sulphaguanidine
... There has been growing interest in using organic materials for nonlinear optical (NLO) devices, functioning as second har monic generators, frequency converters, electro-optical modulators, etc. because of the ... See full document
7
The Effect of Sm2O3 on the Sintering and Grain Growth Behaviors of SnO2-Based Ceramics
... and grain size of SCN and SCNSm ...mean grain sizes of SCN and SCNSm sintered at 1000°C were as much as 290nm ...mean grain size did not show a remarkable change through the intermediate stage of ... See full document
6
Comparison of the Advantages Conferred by Mobility and Energy of the Grain Boundary in Inducing Abnormal Grain Growth Using Monte Carlo Simulations
... of grain growth along z-axis = 80 for different percentages of low-energy grain boundaries of the center ...the boundaries of the center grain have low ...center grain grows ... See full document
5
Effect of Solution Treatment on Microstructure and Mechanical Properties of Cast Fine Grain CM 247 LC Superalloy
... nickel alloys may also form a ductile zone, preventing the initiation of grain-boundary fracture through enhanced the local ductility. However, increasing the dissolution temper- ature from 1494 K/2 h to 1533 K/2 ... See full document
7
Electronic and structural properties of grain boundaries in electron irradiated edge defined film fed growth silicon
... the grain boundary structure in electron-irradiated EFG ...twin boundaries at temperatures above 20K, whereas no such enhancement is found near low angle grain boundaries at temperatures up to ... See full document
6
Computational Study of Toxic Gas Removal by Reactive Adsorption.
... Toxic gas chemicals, if released, have the potential to form a poison gas cloud and spread over large areas. Those exposed to such a toxic gas cloud may be severely injured. For example, the Department of Homeland ... See full document
201
Singular Grain Boundaries in BaTiO3 with Excess TiO2
... singular grain boundaries. Figure 5 shows a grain at the center with ð111 1Þ grain boundary segments separated by a ð311 1Þ step, a h&v grain boundary with ð11222Þ and ð33111Þ ... See full document
8
Compare Removal of Reactive Red195 and Blue19 by Nano TiO2-ZnO
... the nano composite under UV-C irradiation, measurements on photodegradation of reactive dyes in the model wastewater were carried out at room ...11mg nano- composite was put in a cylindrical flask ... See full document
5
High Temperature Deformation Behavior of [0001] Symmetrical Tilt Σ 7 and Σ 21 Grain Boundaries in Alumina Bicrystals
... many grain boundaries with different properties, it is necessary to systematically clarify the atomic structures of individual grain boundaries to investigate properties of alumina ceramics due ... See full document
6
CONDUCTIVITY AND NEGATIVE-U FOR IONIC GRAIN-BOUNDARIES
... As has been emphasised in previous work (Stoneham and Sangster 1981, Catlow and Muxworthy 1978), the lattice relaxation and polarisation energies are important components, and meth[r] ... See full document
6
Modelling of molecules on surfaces and thin-film photovoltaic absorbers
... tors CIGS or CZT S and ZnO , buered by a thin layer of CdS or ZnS and a layer of intrinsi ZnO . The CIGS/CZT S is doped p-type from intrinsi defets, while the ZnO is doped n-type to a muh larger extent through the ... See full document
162
On the Periodicity of 〈001〉 Symmetrical Tilt Grain Boundaries
... The authors are grateful to Prof. Hideo Yoshinaga and Prof. Wenzheng Zhang for valuable discussions. This work is supported in part by Nippon Steel & Sumitomo Metal Corporation, the Elements Strategy Initiative for ... See full document
7
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... of materials has advantages in size distribution, material property, geometry, yield and ...the nano manufacture of materials include enhanced precise size control (including diameter, length and ... See full document
7
Fundamentals of interface phenomena in advanced bulk nanoscale materials
... of grain-boundary diffusion in nanocrystals, as a rule, is approximately equal to half the activation energy in coarse-grained materials and is close to the activation energy of surface diffusion ...usual ... See full document
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