grain boundary
Dislocation Grain Boundary Interactions in Irradiated Metals
... a grain boundary dislocations can be accommodated within ...into grain boundary type ...the grain boundary and the location on the grain boundary from which ...
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Grain boundary precipitation in Inconel 718 and ATI 718Plus
... A few studies have shown that strain does affect the precipitation kinetics of grain boundary precipitates in nickel-based superalloys. This is especially important for manufacturers, since the amount of δ ...
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High Temperature Grain Boundary Plasticity in Ceramics
... the grain boundary plasticity as a new research field based on the grain boundary quantum ...the grain boundary plasticity, we have also proposed the designing of the grain ...
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Phase Field Simulation of the Effect of Anisotropy in Grain Boundary Energy on Growth kinetics and Morphology of Grain Structure
... on grain growth. Their result indicates that grain boundary energy anisotropy significantly delays grain growth and broadens edge number ...in grain boundary energy does not affect ...
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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 configuration. The re- ducing grain-boundary energy of iron at no coincident atoms, together with the increase of the dihedral angle, induces grain ...
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Effects of Impurities on an Al Grain Boundary
... tilt grain boundary with segregated impurity atoms have been calcu- lated by using the first-principles pseudopotential method based on the density functional theory (DFT) and the local density approximation ...
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Grain Boundary Sliding and Atomic Structures in Alumina Bicrystals with [0001] Symmetric Tilt Grain Boundaries
... Grain boundary sliding behavior was investigated for the ...tilt grain boundaries by the compression creep test under a con- stant stress of 15 MPa at 1723 K in ...tilt boundary until the ...
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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 ...
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Grain boundary relaxation and its effect on plasticity in nanocrystalline Fe
... the grain-boundary structure. Modification of the grain-boundary structure by heat treat- ment has been ...the grain boundary decreases during an- nealing or ...the grain ...
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Grain Boundary Sliding Induced Creep of Powder Metallurgically Produced Nb 20Si 23Ti 6Al 3Cr 4Hf
... the grain boundary triple junc- tions that have to be accommodated by dislocation or diffu- sional ...the grain boundaries as shown earlier will ...
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Overdamped langevin dynamics simulations of grain boundary motion
... GB boundary (Gottstein and Shvindlerman ...the grain) in polycrystalline materi- als usually report simple grain boundary migration without additional shear deformation or rotation of adjacent ...
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Grain Boundary Diffusion in Metals: Recent Developments
... in grain boundary (GB) diffusion study is presented with emphasis on physical phenomena encountered in GB diffusion experiments such as the linear and non-linear segregation ...
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Effect of Ion Implantation on the Mechanical Properties of the Grain and Grain Boundary Regions of Inconel X750
... To date, the fundamental mechanisms underlying the irradiation-induced mechanical property degradation in X750 are not well known. Previous studies indicated that helium- induced bubble accumulation on grain ...
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Segregation of Alkali and Alkaline Earth Metals at Σ11(113)[110] Grain Boundary in Aluminum from First Principles Calculations
... slab containing ð113Þ free surfaces of pure Al (Fig. 1(c)), bulk of Al-based solid solution (Fig. 1(d)), bicrystal of 11ð113Þ½110 tilt grain boundaries with segregated solute atoms (Fig. 1(e)) and slab containing ...
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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
... inside grain (IS grain) and the outside grain (OS grain) was 40 ...the grain boundary between the IS and OS grains was determined by metallographic observation of the round ...
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Grain boundary energies in copper
... 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 superimposed network of ...
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Experimental study on the electrical conductivity of quartz andesite at high temperature and high pressure: evidence of grain boundary transport
... represents grain boundary ...the grain interior can be determined by modeling the electrical response with equiv- alent circuit of resistance and capacitance (R 1 C 1 ...
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Dragging of Liquid Bi Particles Induced by Grain Boundary Migration in Al Bi Alloys*
... the grain boundaries immediately disappear, the particles already existing on the grain boundaries are very ...the grain boundaries grow by Ostwald ...the grain boundary is curved in ...
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Effect of semi solid forging on microstructure and mechanical properties of in situ cast Al Cu TiB2 composites
... Aluminium alloys are generally expected to produce new grains during hot deformation by dynamic recrystallization process which can be experimentally studied using [30, 31]. Electron backscattered diffraction (EBSD) ...
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Densification Kinetics of Multi-Doped Zirconia Ceramic Body with Organic Coating Powders
... The densification mechanisms, we suggested, could be divided into two types: 1) the chemical potential induced; 2) the spatial force induced. For polycrystalline ceramics, the bulk diffusion was always ignored in ...
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