[PDF] Top 20 On the Periodicity of 〈001〉 Symmetrical Tilt Grain Boundaries
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On the Periodicity of 〈001〉 Symmetrical Tilt Grain Boundaries
... the periodicity of grain boundaries can be easily evaluated by the structural-units ...of symmetrical ð q p 0 Þ-grain boundary can be de fi ned to be a kite-shaped tetragon which is made ... See full document
7
First Principles Study of the Stability and Interfacial Bonding of Tilt and Twist Grain Boundaries in Al and Cu
... superposition of the two identical crystals. If one of the two crystals is rotated around one common axis such as [001], [110] and [111] by some specific angle, the superposition of the two crystals contains sparse ... See full document
8
First Principles Tensile Tests of Tilt and Twist Grain Boundaries in Al
... 9 tilt and {001} = 5 twist GBs in Al, and results of the two GBs are compared to each other and to previous theoretical ...between tilt and twist GBs in Al in ...between tilt and twist GBs ... See full document
7
High Resolution Microscopy Study for [001] Symmetric Tilt Boundary with a Tilt Angle of 66° in Rutile type TiO2 Bicrystal
... Figure 8 shows a HRTEM image of the boundary including a schematic of unit structures to match respective atomic columns in a sequence of their periodicity. As seen in the image, the boundary consists of three 13 ... See full document
5
Occurrence of Faceting for [110] Symmetric Tilt Boundaries in Cu Doped with Bi
... a grain boundary during annealing at an appropriate high temper- ature was observed by TEM, and then the boundary energy was evaluated from the equilibrium ...asymmetric tilt boundary at a temperature of T ... See full document
7
Origin of differences in the excess volume of copper and nickel grain boundaries
... Ni tilt GBs, larger than would be expected based on their rather similar lattice constants (differing by less than ...[101] tilt series for more detailed analysis. In particular, the S 5 (310)[001], ... See full document
13
Atomistic and First Principles Studies of Pb Segregation to Al Grain Boundaries and its Influence on Thermal Stability and Mechanical Behavior
... entire tilt angle, a dependence of the energies of <100> symmetrical Al tilt boundaries, with and without Pb substitution, on misorientation angles using a multiscale ... See full document
167
Atomic and Electronic Structure of 〈 110〉 Symmetric Tilt Boundaries in Palladium
... symmetric tilt boundaries with each misorienta- tion for the simulated cells were ...the grain boundary plane, the value and the misorientation angle of the simulated boundaries in this ... See full document
7
The Decomposition Formula of 〈001〉 Symmetrical Tilt Grain Boundaries
... For instance, in Ref. 37), the maximum permissible deviation could be attained by the minimum separation of DSC dislocations which could be roughly proportional to 1 / 3 while the magnitude of the Burgers vector could ... See full document
8
High Temperature Deformation Behavior of [0001] Symmetrical Tilt Σ 7 and Σ 21 Grain Boundaries in Alumina Bicrystals
... the grain boundaries were initially straight before compression tests, the grain boundary lines exhibited a zig-zag shape, indicating ...both boundaries during the compression ...510g ... See full document
6
The Effect of Sm2O3 on the Sintering and Grain Growth Behaviors of SnO2-Based Ceramics
... at grain boundaries due to the space charge effect ...at grain boundary generate a steep concentration gradient between the grain interior and the grain boundaries, giving a ... See full document
6
The morphological characterisation of grains and grain boundaries
... of grain boundaries was studied by Pan et al ...angle boundaries were most susceptible to cracking and that Z3 grain boundaries were observed to ...of grain boundary planes were ... 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
An EBSD and TEM Study on the Microstructural Evolution of in situ Synthesized (TiB+TiC)/Ti Matrix Composites during Superplastic Deformation
... sub-grain boundaries absorb the gliding disloca- tions coming from the subgrains and thus the misorientation between the subgrains increases, and so they are transformed into low angle grain ... 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
... center grain grows abnormally, the degree of abnormality is decreased markedly, compared with those of ...center grain is nearly surrounded by type-2 grains and its growth is suppressed by the low-mobility ... See full document
5
Excitonic localization in AlN-rich AlxGa1-xN/AlyGa1-yN multi-quantum-well grain boundaries
... between grain sizes and the position of the average NBE peak ...the grain sizes contribute in modulating the NBE energy of the samples and the excitonic localization ...the boundaries of three ... See full document
6
Near-edge X-ray absorption fine structure studies of Cr1-xMxN coatings
... reduced grain size [40, 74-75, ...smaller grain size in this sample. Furthermore, a significant reduction of grain sizes results in the reduction of the lattice distortion that leads to lowering the ... See full document
39
Texture and Corrosion Behavior of Thin Nickel Sheet Formed by Pulse Plating and Cold Rolling
... 1.8 © 10 ¹ 6 A cm ¹ 2 , respectively. In this study, it was observed that the cold rolling tends to increase corrosion rate, but decreases the corrosion potential of the electro- formed nickel sheet. Cold rolling of bulk ... See full document
5
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
Special Grain Boundaries in Ultrafine Grained Tungsten
... misorientation angle for these GBs; incommensurate GBs with special misorientation angles have compara- tively high cohesive energies. The GBs have revealed a high resistance to mechanical stresses approaching a sig- ... See full document
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