dispersoid


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dispersoid

(dɪˈspɜːsɔɪd)
n
(Chemistry) chem a system, such as a colloid or suspension, in which one phase is dispersed in another
References in periodicals archive ?
Nam, "Effects of manganese dispersoid on the mechanical properties in Al-Zn-Mg alloys," Journal of Materials Science, vol.
Kumar, "Study on chemical interaction of [U.sub.3][Si.sub.2] dispersoid and aluminum matrix in plate fuel elements and its influence on the mechanical properties," Nuclear Technology, vol.
Next, zirconium and manganese were added to the A356+0.5% copper alloy as dispersoid formers to inhibit creep.
where, [[epsilon].sub.c], [[epsilon].sub.p], [[delta].sub.c] and [[delta].sub.p] are the permittivity of CCTO, PMMA, the volume fraction of the dispersoid and the polymer, respectively.
Thus, the addition of any dispersoid which can bind tightly onto graphene sheets is of utmost necessity to achieve better dispersion of graphene sheets.
Their topics include metal forming and deformation modes, the hot working of dispersoid and solute alloys, comparison of hot working other metals, thermo-mechanical processing, extrusion, and hot and cold forging.
Additions of Mn in range of 0.25 to 0.30 weight % increase the mechanical properties since coarse precipitates are avoided; the microstructure forming Al-Mn precipitates and a fine lamellar microstructure (Dominguez et al., 2002) and forms a manganese dispersoid of [Al.sub.6]Mn (Nam & Lee, 2000).
According to the microstructure observations, the particles in our materials can be divided into three distinctive groups: A--small [Al.sub.4][C.sub.3] particles, identified by TEM on thin foils, with mean size approximately 30 nm, which made up to 70% of the dispersoid volume fraction; B--large [Al.sub.4][C.sub.3] particles with mean size between 0.4 and 2 [micro]m, found on SEM metallographic micrographs; and C--large [Al.sub.2][O.sub.3] particles with mean size of 1 [micro]m.
Nano-matrix structure is a novel structure of polymer composite which consists of a matrix of minor functional polymer and dispersoid of major component (ref.
This was believed to be due to increased dispersoid formation in the alloy matrix caused by residual thermal stresses around the microspheres.
For 2 x 24 alloys, the interaction between the dislocation motion and dispersoid precipitates of [T.sub.Mn] ([Al.sub.20][Cu.sub.2][Mn.sub.3]) and [theta] (Cu[Al.sub.2]) phases play key roles in strengthening at high temperature [5-8].
According to the microstructure observations, the particles in our materials can be divided into three distinctive groups: A--small [Al.sub.4][C.sub.3] particles, identified by TEM, with mean size approximately 30 nm, which made up to 70% of the dispersoid volume fraction; B--large [Al.sub.4][C.sub.3] particles with mean size between 1 and 2 gm, identified by scanning electron microscopy and on metallographic micrographs; and C--large [Al.sub.2][O.sub.3] particles with mean size of 1 [micro]m, found on metallographic micrographs and identified by scanning electron microscopy.