structural relaxation
Positron annihilation study of structural relaxation and crystallization of glassified milk fat
... Consistence of butter as a nutrition product is its major characteristics depending on a num- ber of physical properties such as strength, pla- sticity, and elasticity [1]. Earlier the features of milk-fat ...
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Structural Relaxation and Crystallization of a Zr44Ti11Cu9 8Ni10 2Be25 Bulk Metallic Glass
... bulk metallic glass has been investigated using XRD, DSC, HRTEM, EXAFS, and dilatometry after annealing at a fixed temperature at 688 K in the supercooled liquid region for various times. The samples annealed for 30 min ...
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Effects of structural relaxation on calculations of the interface and transport properties of Fe/MgO(001) tunnel junctions
... The layer spacings at the Fe/MgO interfaces obtained af- ter structural relaxation are summarized in Table I. These have been obtained by keeping fixed the in-plane lattice con- stant, set equal to the ...
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Molecular Dynamics Study on Structural Relaxation Processes in Amorphous Germanium
... words, structural changes are induced by spatially- and tem- porally-inhomogeneous atomic motions; atomically mobile and immobile regions coexist during structural ...
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Difference in Structural Relaxation Times of Inner Surface and Inner Bulk Region of Silica Glass Arc Tube
... other phenomena can also contribute to cracking; for example, UV light irradiation is well known to generate various defects in the silica glass network, which is ac- celerated at the strained Si-O-Si bonds [8-11]. In ...
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Structural Relaxation of L-Alanine Molecule with Water Molecules and its Electrons Density of States by Dft
... obtained from the Crystallography Open Database (COD) data card 2104784 in cif form for computation in this paper [8], [9]. A MPI Parallelization runs for four core processors with single thread. The Quantum espresso ...
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Studies effect on structural relaxation of the x(AgI+KI)+ (1 x)NH4I system base on thermal measurements
... the relaxation is, implying an increase of the vitreous ...the structural relaxation for the compound, it is adopted a formalism presented in (Hanaya et ...
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Evolution of Mechanical Properties of Cast Zr50Cu40Al10 Glassy Alloys by Structural Relaxation
... the structural relaxation, which can be regarded as the volume shrinkage during the ...the structural relaxation, the glass structure can also be changed by the compositional ...
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Electrical Resistivity and Mössbauer Studies for the Structural Relaxation Process in Pd Cu Ni P Glasses
... In concerning with TSRO process for the Pd–Ni–Si glass, au- thors pointed out that a tendency to phase separation appeared after annealing just below glass transition, 13) together with a effect of the free volume ...
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Structural Relaxation in Supercooled Liquids
... of structural change at the atomic cluster level in supercooled liquids during isothermal annealing processes is investigated for a model alloy system by using molecular dynamics ...the structural ...
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Ratio of dielectric strength of structural and secondary relaxation close to the glass transition for PPGE and DGEBA
... Here, dielectric spectroscopy is used in the fre- quency range from 10 −2 Hz up to 10 7 Hz and we found dynamics of the primary α- and intermole- cular Johari-Goldstein β-processes are strongly correlated in ...
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Drastic Increase in the Toughness of Structural Relaxed Hypoeutectic Zr59Cu31Al10 Bulk Glassy Alloy
... stress relaxation, both open volume and flexible metallic bonds are important parameters to control in order to enhance fracture ...by structural relaxation, is probably enhanced in hypoeutectic ...
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Magnetic Characterization of Amorphous/Nanostructured Phase Evolved in Fe73.5Cu1Mo1.5V1.5Si13.5B9
... crystallization, structural relaxation effects and the relaxation or reorientation of directional ...temperature, structural relaxation effects take place and are caused by atomic ...
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A Study of Glass Transition Kinetics of Te 15
... Glass transition and structural relaxation theory developed by Moynihan and others [20-22] was used to analyse the kinetics of glass transition from the heating rate depen[r] ...
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Spontaneous formation of graphene like stripes on high index diamond C(331) surface
... The energetic stability of the C(331) surface is studied by comparing its absolute surface energy (ASE) with those of low-index diamond C(111) and C(110) surfaces [21-23]. In the centrosymmetric slab used for computing ...
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Glass transitions in native silk fibres studied by dynamic mechanical thermal analysis
... important structural relaxation events of materials, even though aspects of its physical basis are still under discussion and conventional thermodynamics does not consider the glassy state of polymers an ...
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Experimental evidence for two different dynamical regimes in liquid rubidium
... Now we want to relate these fluctuations on a macroscopic scale with density fluctuations on an atomic length scale through coherent neutron scattering. Coherent neutron scattering provides insight into the collective ...
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Effect of Nb on Transformation Kinetics and Mechanical Properties in Zr Al Ni Cu Metallic Glasses
... larger than that of the 5 at% Pd alloy. The results indicate that Nb is a very effective element on the nucleation and grain growth rates. Good plasticity exhibited in the as-cast state, is lost drastically by the ...
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To Study the Trends of Activation Energy in Metal Extractions Process
... for structural relaxation in the glass transition region which determined from the heating rate dependence of the glass transition temperature Tg or the cooling rate dependence of the limiting fictive ...
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Slow dynamics in colloids and network glasses close to the structural arrest: the Stress-relaxation as a root to equilibrium
... the structural relaxation, we will see that in the same amount of time some particles have travelled distances comparable with their own sizes, while others have remained localized in their original ...
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