نتایج جستجو برای: microstructural evolution
تعداد نتایج: 353951 فیلتر نتایج به سال:
The interface atomic structure was proposed to have a critical effect on the microstructure evolution during sintering of ceramic materials. In liquid-phase sintering, spherical grains show the normal grain growth behavior without exception, while angular grains often grow abnormally. The coarsening process of spherical grains with a disordered or rough interface atomic structure is diffusion-c...
Graphitic materials and graphite composites experience dimensional change when exposed to radiation-induced atomic displacements. This has major implications for current and future technological ranging from nuclear fission reactors to the processing of graphene-silicon hybrid devices. Dimensional change in nuclear graphites is a complex problem involving the filler, binder, porosity, cracks an...
Transmission electron microscopy (TEM) was performed to study the microstructural evolution in Al–Cu–Fe quasicrystalline thin films. Thin films were grown by magnetron sputtering on sodium chloride crystals, which were subsequently dissolved in water to acquire free-standing films. Studies were conducted on the as-deposited sample, and samples that were annealed at 400 8C in Argon and 500 8C in...
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An integrated computational approach to microstructural evolution and electrical transport in ceramic gas sensors has been proposed. First, the particle-flow model and the continuum-phase-field method are used to describe the microstructural development during the sintering of a prototype two-dimensional film. Then, the conductivity of the sintering samples is calculated concurrently as the mic...
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