Materials Literature
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Melting of NaCl and MgO has been simulated with a two-phase molecular dynamics method at constant pressure using newly developed interaction potentials. Equations of state for NaCl and MgO simulate ...
Relations between fracture toughness and fiber/matrix interphases were examined on various SiC/SiC composites made by chemical vapor infiltration (CVI) and reinforced with woven fiber bundles. Strong and weak fiber/matrix bondings were obtained using multilayered interphases consisting of various combinations of carbo…
Epoxy underfill is often required to enhance the reliability of flip-chip interconnects. This study evaluates the flow of typical epoxy underfill materials between parallel plates driven by capillary action. An exact model was developed to understand the functional relationship between flow distance, flow time, separa…
Rare earth oxide doped BaCeO 3 is known to exhibit high protonic conductivity in the temperature range 500 to 900°C and is a potential electrolyte for use in hydrogen sensing and fuel cell applications. Prior work, however, has shown that BaCeO 3 may be thermodynamically unstable at low temperatures. In the present wo…
The third-order nonlinear optical properties (second molecular hyperpolarizabilities, γ), of a series of organoboron compounds containing dimesitylboron moieties have been investigated by third harmonic generation (THG) measurements at 1.907 μm. Symmetric systems with B(mes)2 groups (mes=2,4,6–Me3C6H2) at both ends, e…
A synthetic porous three-dimensional structure that can mimic the architecture of actual tissues, provide sustained release of nutrients or growth factors, and serve as a template for cell seeding would be an ideal substrate for tissue engineering. Poly(l-lactic acid) (PLLA) foams were fabricated for this purpose, bas…
An electrophoretic deposition (EPD) method was applied for the preparation of yttria‐stabilized zirconia (YSZ) films for solid oxide fuel cell (SOFC) applications. Dense YSZ films with uniform thickness can be readily prepared with the EPD method by using acetylacetone or acetone as a solvent. The open‐circuit voltage…
For what is the first time, to our knowledge, we report on the extension of spectroscopic rotating-analyzer ellipsometry to generalized ellipsometry to define and to determine three essentially normalized elements of the optical Jones matrix J [ R. M. A. Azzam N. M. Bashara , J. Opt. Soc. Am.62, 1521 ( 1972)]. These e…
Sr‐ and Mg‐doped LaGaO 3 powders were prepared from a salt acetate solution. The stable solution was peptized by reacting ammonium hydroxide with the precursor solution. Thermal analysis (DTA/TGA) was used to characterize first the dehydration and then the thermal decomposition of the organic ligands of the dried gel.…