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Search query: face-centred cubic lattice
547 articles match your search "face-centred cubic lattice"Results 1 to 10, sorted by relevance:
research papers
The Wiener index of various graphs represents a structure compactness measure of the graph. The face-centred cubic lattice is one of the most usual crystal lattices; in this paper, the Wiener index of its graph is computed having unit cells in a row.
research papers
A model of the face-centred-cubic to body-centred-cubic martensitic transformation based on Pitsch distortion explains the continuum of martensite variant orientations observed in electron backscatter diffraction.
research papers
A simplified invariant line analysis for face-centred cubic/body-centred cubic precipitation systems
A simplified invariant line analysis for face-centered cubic/body-centered cubic precipitation systems is proposed. This simplified analysis makes the application of phase transformation theory more understandable and highly efficient.
research papers
Open access
Using higher-dimensional crystallography, a new 6D structure model is proposed for F-type icosahedral quasicrystals with cluster close packing.
research papers
In this work, a study of the mirror symmetries appearing in multiple diffraction patterns of face-centred cubic crystals is carried out. It is shown that isomorphic and anamorphic mirrors coexist in these patterns.
research papers
Open access
The thermal expansion of gold has been determined by X-ray powder diffraction from 40 K up to the melting point (1337 K). Gold shows a nonlinear increase in thermal expansion that departs from the associated Grüneisen–Debye model prior to melting, which has been quantified in terms of the generation of point defects.
research papers
The broadening of diffraction peak profiles of plastically deformed face-centred cubic and hexagonal close-packed alloys, and results of the Warren–Averbach method, are shown to be dependent on the measurement direction. Polycrystal plasticity models are used to show that these changes could be due to the heterogeneity of deformation, which results in differences in the types of dislocations and dislocation structures in different orientations, highlighting how errors can result from the use of an unweighted contrast factor.
research papers
Small-angle X-ray scattering experimental observation of the transformation of cubic symmetry from face-centred cubic (f.c.c.) to body-centred cubic (b.c.c.) for spherical microdomains upon uniaxial stretching of poly(1,3-cyclohexadiene)-block-poly(ethylene-co-but-1-ene)-block-poly(1,3-cyclohexadiene) triblock copolymer is reported.
research papers
Open access
Crystal defects can be identified by their fingerprint in coherent X-ray diffraction patterns. Realistic defects in face-centred cubic nanocrystals are studied numerically, revealing various signatures in diffraction patterns depending on the Miller indices and providing an identification method.
research papers
Within the scope of the classical theoretical models, the diffuse scattering intensities (caused by the short-range atomic order) near the Bragg reflection in a (para)magnetic bulk face-centred cubic Ni3Fe-type permalloy are investigated, taking into account the long-range magnetic order and `strain-induced' effects. The analytic azimuthal and nonanalytic `radial' behaviours of the diffuse intensities as well as the `mixing' energy Fourier components are analysed in detail.