Hexagonal and Face-Centered Cubic Redistributions
Rolling-induced Face Centered Cubic Titanium in Hexagonal Close Packed Titanium at Room Temperature
... with hexagonal close-packed (hcp) structure, twinning is commonly triggered because of insufficient number of slip systems 6 ...the hexagonal close-packed structure to cubic structure transformation ...
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Face centered cubic crystallization of atomistic configurations
... 1 Introduction A material is crystalline if its underlying atomic structure comprises a (multi)-lattice of particles. It is known, through techniques such as x-ray diffraction, that most materials crystallize when at a ...
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Deformation of a face-centered cubic FeCoCrMnNi high entropy alloy
... As a single grain after annealing can be treated like single crystal and the mean space of dislocation is wide, we expect, during load-controlled nanoindentation, the indenter with[r] ...
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Microstructural Modeling of Nanocrystalline Twinned Face Centered Cubic Systems.
... Using a framework developed in this manner, it was a relatively simple matter to control for such factors as twin volume fraction, grain size, twin thickness, grain (and twin[r] ...
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Dislocation Cross-Slip in Face-Centered Cubic Solid Solution Alloys
... A.6 Extended Solute Pair Model Our goal is to calculate the standard deviation of the change in solute-solute binding energies due to formation and destruction of solute pairs in the stacking fault ribbon during ...
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Simulation for Texture Formation of Both Face-Centered-Cubic Metals and Body-Centered-Cubic Ones Based on Rotational Symmetry among Principal Axes
... The principal axes of X [100], Y [010] and Z [001] are perpendicular to each other as the three orbits of , and by a rotational symmetry of mathematical group theory in such way that component X is not related to Y or Z ...
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Face Centered Cubic Ti Cluster Assemblies Prepared by Plasma Gas Condensation
... a face-centered cube, via an NaCl-type to an amorphous and rutile-type mixture, contradicting the fact that there is no fcc phase in the equilibrium phase ...
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Dynamic deformation behavior of a face-centered cubic FeCoNiCrMn high-entropy alloy
... a face-centered cubic FeCoNiCrMn high-entropy alloy, both in tension and compression, in a wide range of strain rates (10 4 –10 4 s 1 ) to systematically inves- tigate its dynamic response and ...
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Effect of temperature on small-scale deformation of individual face-centered-cubic and body-centered-cubic phases of an Al_(0.7)CoCrFeNi high-entropy alloy
... We observed a "smaller is stronger" size effect in the yield strength as a function of pillar diameter, D, of both alloy phases for all temperatures, with a power-law[r] ...
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Effect of temperature on small-scale deformation of individual face-centered-cubic and body-centered-cubic phases of an Al_(0.7)CoCrFeNi high-entropy alloy
... The virtually-unchanging size- effect exponent observed in the deformation of the micron-sized BCC HEAs at all temperatures may imply that their critical temperature is signi fi cantly hi[r] ...
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Strategy for Electrodeposition of Highly Ductile Bulk Nanocrystalline Metals with a Face Centered Cubic Structure
... Bulk nanocrystalline Ni W alloys with similar grain size (20 30 nm), and varying crystallographic orientations were produced. The electrodeposited alloys showed tensile elongation ra[r] ...
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Characteristics of Two-Dimensional Triangular and Three-Dimensional Face-Centered-Cubic Photonic Crystals
... Three-Dimensional Face-Centered-Cubic Photonic Crystals T he creation of each PhC for this thesis was designed using a gap map program for two-dimensional triangular ...
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Interactions between dislocations and three-dimensional annealing twins in face centered cubic metals
... Abstract Annealing twins often form in metals with a face centered cubic structure during thermal and mechanical processing. Here, we conducted molecular dynamic (MD) simulations for copper and ...
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Molecular dynamic simulation for nanometric cutting of single crystal face centered cubic metals
... In order to interpret the varying characteristics shown in the force-cutting length curves, Figures 3 and 4 present representative MD snapshots of single crystal aluminum and copper under nanometric cutting at different ...
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Chemical Bonds between Charged Atoms in the Even Odd Rule and a Limitation to Eight Covalent Bonds per Atom in Centered Cubic and Single Face Centered Cubic Crystals
... • Inner shell electrons In chemistry, electrons located in the inner shell do not participate in the formation of bonds. A neutral atom cannot form more bonds than the number of electrons in its valence shell. Sodium ...
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Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure
... ABSTRACT A constitutive model based on the dislocation glide and deformation twinning is adapted to face- centered cubic high-entropy alloys (HEAs) as exemplified by the CrMnFeCoNi system. In this ...
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Resonant Raman scattering in cubic and hexagonal boron nitride
... measurements. Cubic bo- ron nitride crystals showed under the microscope a triangular shape, which is typical for the 共 111 兲 surface of the zinc blende ...sur- face in the zinc blende ...
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Vacancy Type Defects and Related Phenomena in Face Centered Cubic Copper Zinc Alloys EUR 4622
... temperature (equilibrium) measurements. From the above some conclusions on the temperature range of existence of SRO and of the variation of the temperature coefficient of electrical r[r] ...
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An Atomic Force Microscopy Nanoindentation Study of Size Effects in Face-Centered Cubic Metal and Bimetallic Nanowires
... as face-centered cubic metal nanowires is well known and arises largely from processes mediated by high energy surface ...in face-centered cubic metal nanowires, have been shown ...
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A new spectral framework for crystal plasticity modeling of cubic and hexagonal
... energy, face-centered cubic (fcc) metals that will be used in developing and evaluating the analytical ...with hexagonal structure has increased dramatically in the last decade with the ...
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