grain boundary tilt angles
Atomistic and First Principles Studies of Pb Segregation to Al Grain Boundaries and its Influence on Thermal Stability and Mechanical Behavior
... the boundary stabilization caused by segregated Pb atoms over the entire tilt angle, a dependence of the energies of <100> symmetrical Al tilt boundaries, with and without Pb substitution, on ...
167
On the Periodicity of 〈001〉 Symmetrical Tilt Grain Boundaries
... of grain boundaries can be easily evaluated by the structural-units ...Þ-grain boundary can be de fi ned to be a kite-shaped tetragon which is made by gluing a pair of right triangles of a group of ...
7
Structure and Configuration of Boundary Dislocations on Low Angle Tilt Grain Boundaries in Alumina
... of boundary dislocations on various low angle tilt grain boundaries in alumina were considered based on the ideas that the boundary is composed of regularly arrayed edge dislocations and that ...
7
Grain Boundary Sliding and Atomic Structures in Alumina Bicrystals with [0001] Symmetric Tilt Grain Boundaries
... grain boundary sliding strongly depends on grain boundary ...31) tilt grain bound- ary was the fastest among these ...31) tilt grain boundary, while ...
5
Grain boundary energies in copper
... o£ grain boundaries in polycrystalline materials has a marked effect on a variety of properties (Gleiter and Chalmers ...speaking, grain boundaries play an important role in the development of ...the ...
205
PERFORMANCE EVALUATION OF A THREE BOTTOM STANDARD DISC PLOUGH AT VARYING TILT AND DISC ANGLES
... lower tilt angle with increasing disc angle, the volume of soil turned ...disc angles of 37 o and 40 o the volume of soil turned is generally ...o tilt angle in combination with all the disc ...
5
Effect of Microstructure on Stress Corrosion Cracking of Alloy 600 and Alloy 690 in Caustic Solution
... Grain boundary chemistry can be viewed in terms of intergranular carbide distribution, Cr depletion around grain boundary and segregation of minor alloying element, [r] ...
8
Influence of Microstructures on the Notched Tensile Strength of Ti 4 5Al 3V 2Fe 2Mo Alloy
... and grain boundary sliding accompanied with orientation effect were obvious in the SB-593 specimen ...that grain boundary sliding occurred not only in the flat fracture region but also in the ...
6
Effects of Grain Boundary Sliding and Plastic Deformation of Grains on the Formation of Grain Boundary Cracks in a Double Cylindrical Bicrystal of a Cu SiO2 Alloy
... circular grain boundary where a large amount of GBS ...of grain-boundary cracks are explained by con- sidering plastic deformation of the IS and OS ...the grain boundary affects ...
5
Densification Kinetics of Multi-Doped Zirconia Ceramic Body with Organic Coating Powders
... As shown in Fig.1 (a) and (b), each of the particle size distribution of SP1 and SP2 is continuous distribution. But the gradients are not similar to each other; the former is a gentle slope following an abrupt slope, ...
7
Electron Backscatter Diffraction Characterization of Microstructure Evolution of Electroplated Copper Film
... columnar grain structure with a large fraction of twin ...normal grain growth and caused many of the general high- angle grain boundaries to be replaced by twin boundaries, possibly by annealing ...
5
First Principles Tensile Tests of Tilt and Twist Grain Boundaries in Al
... For this purpose, computer simulations of GBs at various length scales are quite effective. Especially, first-principles tensile or shear testing simulations of GBs 3) are quite important. Such ab initio calculations can ...
7
Segregation of Alkali and Alkaline Earth Metals at Σ11(113)[110] Grain Boundary in Aluminum from First Principles Calculations
... The grain boundary segregation energies of Mg, Na, Ca, K and Sr at a symmetric tilt 11ð113Þ½110 grain boundary were investigated in aluminum using the fi rst-principles ...the ...
7
The bizarreness of the results observed in the amorphous photovoltaic dimensioning across the world production
... The efficiency of a PV module will largely depend on several physical parameters such as the positioning of latitude, the daily climatic circumstances, the panel tilt and azimuth angles,[r] ...
11
Grain Boundary Structure Dependence of Extrinsic Grain Boundary Dislocation Emission Phenomena: A Molecular Dynamics Study
... equilibrium grain boundaries with no ...The grain boundary slightly affects the J-integral analysis, and hence, J-integral analysis can be adopted to evaluate the EGBD pinning effect across ...
9
Computational Study of Grain Boundaries and Nano-Reactive Materials
... misorientation angles (𝜃) are summarized in Figure 4.2, from which a good match is shown between Δ𝐸 𝑁𝐸𝐵 (𝜃) and activation energies (𝐸 𝑎 (𝜃)). This is not surprising. According to transition state theory, the ...
171
Estimation of Optimum Tilt Angles for Solar Collector and Gained Energy at Cairo, Egypt
... different tilt angles from 00 to 90o with a step of 1o for all months of the ...the tilt angle decreases in summer months reaching its maximum at zero tilt ...small tilt angles ...
10
Optimum Tilt Angles for Photovoltaic Panels during Winter Months in the Vaal Triangle, South Africa
... latitude angles for the installation of the single PV panel on the roof of the S-Block at Vaal Uni- versity of Technology (VUT) are obtained with this de- vice (Latitude: 26˚42'649"S and Longitude: ...using ...
7
Experimental study on the electrical conductivity of quartz andesite at high temperature and high pressure: evidence of grain boundary transport
... the grain bound- ary conductivity of quartz andesite ranged from 10 ...The grain boundary conductivity varied greatly with pres- sure, ...The grain boundary con- ductivity tended to ...
7
High Temperature Deformation Behavior of [0001] Symmetrical Tilt Σ 7 and Σ 21 Grain Boundaries in Alumina Bicrystals
... compression axis so as to apply maximum shear stresses to the grain boundary. In this case, the (0001) plane was set parallel to the compression axis so as not to activate basal slip, which is the primary ...
6