heterogeneous nucleation


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heterogeneous nucleation

[‚hed·ə·rə¦jē·nē·əs ‚nü·klē′ā·shən]
(physical chemistry)
The formation of vapor bubbles on cavities or scratches of a surface bounding a superheated liquid.
References in periodicals archive ?
The variation of n values of nanocomposites with MWCNTs concentration is ascribed to the complicated crystallization mechanism and heterogeneous nucleation of SPU in presence of MWCNTs [33], As shown in Table 3 for all the samples the values of [Z.
e predominance of sulphate emissions at maximum load modes further ratifies the argument that, it is actually heterogeneous nucleation which increases both nuclei mode NP as well as sulphate emissions.
Calcium phosphate/calcium oxalate crystal association in urinary stones: implications for heterogeneous nucleation of calcium oxalate.
Difference Between Homogeneous and Heterogeneous Nucleation S.
Lebron and Suarez (1996) developed a precipitation rate model which considers the effects of DOC on both crystal growth and heterogeneous nucleation.
It is widely accepted that for the multiphase polymer systems, such as the semi-crystalline polymers [17-20], polymer nanocomposites [21-24], and polymer blends [25, 26], the low energy barrier for cell nucleation at interface accounts for the increase in cell density according to the classical heterogeneous nucleation theory [27-29].
This will strongly improve our understanding of the basic phenomena which control heterogeneous nucleation from liquid-phase precursor.
The purpose of those reactive elements is to combine with S and O in the iron and form potent heterogeneous nucleation sites for graphite.
The addition of small amounts of PCL increased the cell density, indicating a heterogeneous nucleation effect of the PCL phase [9, 26].
It is based on leading edge research into the heterogeneous nucleation and growth in aluminium alloys, and its promotion by dispersed oxides.
earlier nucleation of pores in modified melts is due to an influence of modification on the inclusions that play an important role in the heterogeneous nucleation of porosity.
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