low-angle grain boundary
EBSD Analysis of Microstructure Evolution of Pure Iron Subjected to Sliding Wear and Related Change in Vickers Microhardness
... tests, grain boundary formation and lattice rotation were analyzed with electron backscatter diffraction (EBSD) ...high-angle grain boundaries were generated. Below the submicron grain ...
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Microstructural Evolution and Hardness of Dissimilar Lap Joints of ODS/Stainless Steel by Friction Stir Welding
... fine-equiaxed grain structure with high angle grain boundaries in the ...large grain structure (>200 ...of low angle grain boundary structures present in this ...
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Local Atomic Configuration of Dislocation Accumulated Grain Boundary and Energetics of Gradual Transition from Low Angle to High Angle Grain Boundary in Pure Aluminum by First Principles Calculations
... Dislocation-accumulated grain boundaries were systematically investigated in terms of local atomic coordinates in the vicinity of grain boundary and energetics on grain boundary ...
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Critical Current of Low Angle Grain Boundaries in High Tc Superconductors
... of grain boundaries (GB) within the material, playing the role of a strong barriers for supercurrent flow ...single grain boundary in HTS bicrystals, usually obtained by deposition of HTS films on ...
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Grain boundary energies in copper
... the low angle boundary case. A boundary with a disorientation that differs slightly from that of a coincidence relationship relaxes to the structure of the coincidence boundary with a ...
205
Experimental study on the electrical conductivity of quartz andesite at high temperature and high pressure: evidence of grain boundary transport
... represents grain boundary ...phase angle (θ) on frequency. From high to low frequency, the impedance modulus in- creased rapidly, and the absolute value of the phase angle tended toward ...
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The Effect of ECAP Deformation Route on Microstructure, Mechanical and Electrochemical Properties of Low CN Fe 20%Cr Alloy
... high angle grain boundary (HAGB) due to the 90˚ crossing shear planes in every pass ...for grain refinement in FCC metals, but there are limited studies for ...
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Grain boundary relaxation and its effect on plasticity in nanocrystalline Fe
... the grain boundary, the images were Fourier filtered, so that only one set of lattice fringes in each grain, aligned approximately perpendicular to the grain boundary, is visible ...the ...
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A multiscale constitutive model for intergranular stress corrosion cracking in type 304 austenitic stainless steel
... at grain boundaries which is accompanied by the depletion of chromium in the vicinity of these regions and therefore susceptibility to IGSCC ...[8]. Grain boundary structure has commonly been ...
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Relation between Widths of the Grain Boundary Energy Cusps at Special Misorientations and the Microstructural Characteristics in the Sintering of a Fe Cu C Alloy
... the grain boundary energy cusp at the special misorientation on microstructural characteristics in the sintering of a Fe–Cu–C ...of grain boundary en- ergy to solve that the relatively ...
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Effect of Microstructure on the Thermal Conductivity of Plasma Sprayed Y2O3 Stabilized Zirconia (8 %YSZ)
... at low temperatures, pores, cracks, and the length density of small-angle-cracks increase the phonon scattering and effectively reduce the thermal ...conductivity. Grain boundaries are also one of ...
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Electron Backscatter Diffraction Characterization of Microstructure Evolution of Electroplated Copper Film
... Figure 2 shows the cross-sectional orientation maps of the as-received and annealed copper films. ND is the normal direction and MD is the machine direction of film fabrication. The through-thickness observation of the ...
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Structure and Configuration of Boundary Dislocations on Low Angle Tilt Grain Boundaries in Alumina
... As can be seen in Figs. 6–11, the estimated separation distance between partial dislocations depends on the stacking fault energy. This is because the separation distance is inverse proportion to the stacking fault ...
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Evaluation of the Microstructural Contribution to the Coercivity of Fine Grained Nd Fe B Sintered Magnets
... and Sagawa 2) have reported that the coercivity of NdFeB sintered magnets increased to around 2 T with grain refine- ment to around 1 µm. However, this coercivity is still low compared to the theoretical ...
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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] ...
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Fracture Toughness Enhanced by Grain Boundary Shielding in Submicron Grained Low Carbon Steel
... at low temperatures in fine grained low carbon steel was studied, basing on a shielding theory due to dislocations and grain ...annealed low carbon steel was subjected to an accumulative roll ...
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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
... large grain-boundary crack in specimen D3 shown in ...the grain- boundary around =4 and 5=4 is infeasible for crack ...of grain-boundary cracks by consid- ering the effect of ...
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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, ...
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Segregation of Alkali and Alkaline Earth Metals at Σ11(113)[110] Grain Boundary in Aluminum from First Principles Calculations
... a grain boundary and on a surface is much less than the total energies of ...bulk, grain boundary, and free surface systems must be equally ...bulk, grain boundary, and free ...
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Grain Boundary Structure Dependence of Extrinsic Grain Boundary Dislocation Emission Phenomena: A Molecular Dynamics Study
... the grain boundaries on the emission of EGBDs from the grain ...equilibrium grain boundaries with different grain boundary structures, we specifically introduce lattice dislocations ...
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