Experimental Results and Theoretical Modeling of the Growth Kinetics of Polyamine-Derived Silica Particles

2015 ◽  
Vol 54 (9) ◽  
pp. 2466-2475 ◽  
Author(s):  
Ahmad Seyfaee ◽  
Frances Neville ◽  
Roberto Moreno-Atanasio
Keyword(s):  
Growth Kinetics ◽  
Silica Particles ◽  
Theoretical Modeling ◽  
Experimental Results ◽  
Kinetics Of

Growth of the {101} face of KDP crystals in the presence of dye Chicago Sky Blue

2000 ◽  
Vol 620 ◽  
Author(s):  
Olga A. Gliko ◽  
Natalia P. Zaitseva ◽  
Leonid N. Rashkovich
Keyword(s):  
Crystal Growth ◽  
Growth Kinetics ◽  
Experimental Results ◽  
Adsorption Behavior ◽  
Loss Of Stability ◽  
The Face ◽  
Subsequent Loss ◽  
Kinetics Of ◽  
Kdp Crystals

ABSTRACTIn situ interference technique is used for a study of morphology and growth kinetics of a pyramidal face of KDP crystals with dye Chicago Sky Blue. It is shown that the impurity is captured by a crystal when its concentration in the solution exceeds a certain temperature depended value. In the presence of impurity the face loses its stability with increasing of supersaturation. Further increase of supersaturation leads to the restore and subsequent loss of stability. The experimental results are interpreted in the framework of earlier developed model for a crystal growth in the presence of the easily desorbed mobile impurity. The parameters characterizing the adsorption behavior of mobile impurity and its capture have been determined.

Growth Kinetics of Intermetallic Compounds at the Interface of Liquid Sn-9Zn/Cu

2011 ◽  
Vol 233-235 ◽  
pp. 2323-2327
Author(s):  
Hui Zhen Huang ◽  
Xiu Qin Wei ◽  
Lang Zhou
Keyword(s):  
Activation Energy ◽  
Intermetallic Compound ◽  
Intermetallic Compounds ◽  
Solder Alloy ◽  
Growth Kinetics ◽  
Layer Growth ◽  
Experimental Results ◽  
Cu Substrate ◽  
Diffusion Mechanisms ◽  
Kinetics Of

The morphology and growth of the intermetallic compound (IMC) formed between liquid Sn-9Zn eutectic solder alloy and Cu at 220-260°C was investigated. Experimental results showed that γ-Cu5Zn8 was present at the Sn-9Zn/Cu interface as the reaction product. The IMC layer growth follows the parabolic-growth law, which indicates that the growth of the IMC is controlled by the diffusion mechanisms. The activation energy of γ-Cu5Zn8 layer growth for liquid Sn-9Zn reacting with Cu substrate is determined as 50.5 KJ/mol.

The Ordered Phase Formation in Ti-Al-Ga Alloys

1970 ◽  
Vol 28 ◽  
pp. 440-441
Author(s):  
Shiro Fujishiro ◽  
Harold L. Gegel
Keyword(s):  
Thermal Stability ◽  
High Temperature ◽  
Titanium Alloys ◽  
Growth Kinetics ◽  
Stoichiometric Composition ◽  
Good Potential ◽  
Alpha Titanium ◽  
Cold Rolled ◽  
Kinetics Of ◽  
Thermal Stability Of

Ordered-alpha titanium alloys having a DO19 type structure have good potential for high temperature (600°C) applications, due to the thermal stability of the ordered phase and the inherent resistance to recrystallization of these alloys. Five different Ti-Al-Ga alloys consisting of equal atomic percents of aluminum and gallium solute additions up to the stoichiometric composition, Ti3(Al, Ga), were used to study the growth kinetics of the ordered phase and the nature of its interface.The alloys were homogenized in the beta region in a vacuum of about 5×10-7 torr, furnace cooled; reheated in air to 50°C below the alpha transus for hot working. The alloys were subsequently acid cleaned, annealed in vacuo, and cold rolled to about. 050 inch prior to additional homogenization

Growth Kinetics of Quantum Size ZnO Particles

1998 ◽  
Vol 536 ◽  
Author(s):  
E. M. Wong ◽  
J. E. Bonevich ◽  
P. C. Searson
Keyword(s):  
Growth Kinetics ◽  
Ostwald Ripening ◽  
Chemical Potential ◽  
Colloidal Suspensions ◽  
Green Emission ◽  
Blue Shift ◽  
Constant Current ◽  
Mass Model ◽  
Zno Particles ◽  
Kinetics Of

AbstractColloidal chemistry techniques were used to synthesize ZnO particles in the nanometer size regime. The particle aging kinetics were determined by monitoring the optical band edge absorption and using the effective mass model to approximate the particle size as a function of time. We show that the growth kinetics of the ZnO particles follow the Lifshitz, Slyozov, Wagner theory for Ostwald ripening. In this model, the higher curvature and hence chemical potential of smaller particles provides a driving force for dissolution. The larger particles continue to grow by diffusion limited transport of species dissolved in solution. Thin films were fabricated by constant current electrophoretic deposition (EPD) of the ZnO quantum particles from these colloidal suspensions. All the films exhibited a blue shift relative to the characteristic green emission associated with bulk ZnO. The optical characteristics of the particles in the colloidal suspensions were found to translate to the films.

Growth kinetics of boride layers formed on GGG 40.3 ductile iron

2016 ◽  
Vol 58 (5) ◽  
pp. 418-421
Author(s):  
Fatma Ünal ◽  
Ahmet Topuz
Keyword(s):  
Growth Kinetics ◽  
Ductile Iron ◽  
Kinetics Of

scholarly journals Study of deposition parameters and growth kinetics of ZnO deposited by aerosol assisted chemical vapor deposition

RSC Advances ◽  
2021 ◽  
Vol 11 (30) ◽  
pp. 18493-18499
Author(s):  
Sergio Sánchez-Martín ◽  
S. M. Olaizola ◽  
E. Castaño ◽  
E. Urionabarrenetxea ◽  
G. G. Mandayo ◽  
...  
Keyword(s):  
Chemical Vapor Deposition ◽  
Growth Kinetics ◽  
Vapor Deposition ◽  
Chemical Vapor ◽  
Kinetics Analysis ◽  
Deposition Parameters ◽  
Kinetics Of

Impact of deposition parameters, microstructure and growth kinetics analysis of ZnO grown by Aerosol-assisted Chemical Vapor Deposition (AACVD).

scholarly journals Morphology, energetics and growth kinetics of diphenylalanine fibres

2021 ◽  
Author(s):  
Phillip Mark Rodger ◽  
Caroline Montgomery ◽  
Giovanni Costantini ◽  
Alison Rodger
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulations ◽  
Growth Kinetics ◽  
Dynamics Simulations ◽  
Kinetics Of

The formation and stability of diphenylalanine fibres are studied by combining molecular dynamics simulations with microscopy and spectroscopy experiments, quantitatively detailing their morphology, energetics and growth kinetics.

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