dispersoid

[də′spər‚sȯid]

(chemistry)

Matter in a form produced by a disperse system.

References in periodicals archive ?

The idea is based on the formation of secondary fine heat-resistant [Al.sub.3]M dispersoids, where "M" is a transition element such as Zr, Ni, and Mn [10, 12].

Mechanical Performance of Zr-Containing 354-Type Al-Si-Cu-Mg Cast Alloy: Role of Additions and Heat Treatment

* The 224 alloys with added dispersoids resulted in superior creep strength to similar 319 alloys under comparable loading and temperature.

Advancing aluminum: researchers aim to develop a new alloy to maximize performance of cylinder heads in diesel engines

The average diameter of gloomy sphere was similar to the volume mean particle diameter of the dispersoid present in natural rubber latex, which is about 0.7 jam in diameter.

Nano-matrix structure formed for NR

In precipitation-hardened aluminum alloys, the key manifestation of this phenomenon is the development of dispersoids, tiny clumps of metal oxides called Guinier-Preston zones.

Foams on the cutting edge

High-magnification photo (Figure 1(d)) clearly exhibits the fine dispersoid particles precipitated during the solutionizing course of the Al-Cu-Mn alloys.

Uneven Precipitation Behavior during the Solutionizing Course of Al-Cu-Mn Alloys and Their Contribution to High Temperature Strength

However, here one has to consider the retarding effect due to the presence of dispersoid particles.

In situ tensile testing in SEM of Al-[Al.sub.4][C.sub.3] nanomaterials/Al-[Al.sub.4][C.sub.3] nanomaterjalide in situ SEM-tombeteim

After polymerization, the resulting dispersoid of polymerized beads was poured into 600 ml of boiling water; the water temperature was maintained for 15 min while stirring at 150 rpm, and then filtrated to obtain the polymer beads.

Tyrosine imprinted polymer beads with different functional monomers via seed swelling and suspension polymerization

Dispersoid colonies typically result from oxidation of localized concentrations of magnesium that form during alloying malpractice.

Inclusions in aluminum foundry alloys

The melting points of Al[B.sub.2] and Al[B.sub.12] are 1665 [+ or -] 50[degrees]C and 2163 [+ or -] 50[degrees]C, respectively, resulting in the formation of solid dispersoid particles in the molten liquid [6].

Effect of Melt Temperature on the Effectiveness of the Grain Refining in Al-Si Castings

Sommer, "Dispersoid stability in a Cu-[Al.sub.2][O.sub.3] alloy under energetic cascade damage conditions," Journal of Nuclear Materials, vol.

Role of Interface in Multilayered Composites under Irradiation: A Mathematical Investigation

McCormack, "Dispersoid additions to a Pb-free solder for suppression of microstructural coarsening," Journal of Electronic Materials, vol.

Properties and Microstructures of Sn-Bi-X Lead-Free Solders

The XRD plots in Figure 7(b) show that the alloy "A" sample after T6 temper exhibits dispersoid compound phases ([Mg.sub.2][Zn.sub.11], Mg[Zn.sub.2], [Al.sub.75][Ni.sub.10][Fe.sub.15], and [Al.sub.4][Ni.sub.3]) in addition to the compounds already existing in the as quenched sample of alloy A.

The influence of nickel and tin additives on the microstructural and mechanical properties of Al-Zn-Mg-Cu alloys