On the kinetics of precipitate dissolution
http://www.paper.edu.cn/scholar/showpdf/NUz2kN4IOTD0IxeQh WebThe characteristic time scale of reactive crystallization is traditionally investigated as a function of supersaturation in the deterministic regime, but no chemical meaning is …
On the kinetics of precipitate dissolution
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Web10 de abr. de 2024 · The study explores the corrosion mechanisms and kinetics that are related to materials dissolution, oxidation, and diffusion of Ni-based alloys (Hastelloy N and Hastelloy X) and Fe-based alloy (SS316) in molten fluoride salt (LiF-NaF-KF, known as FLiNaK) at 750 °C for various exposure times in Ni crucibles. These three alloys were … Web20 de set. de 2024 · The present study examines the kinetics of the dissolution process of poorly soluble lanthanide compounds when changing the parameters of the system. The …
WebIn precipitation hardenable materials, it is desirable to determine the precipitate dissolution temperature for homogenizing the microstructure by controlling the size and distribution of the... Web25 de set. de 2024 · In addition, once a given accumulated creep strain is reached prior to the dissolution tests (i.e., a given dislocations density), the dissolution kinetics are the …
WebDOI: 10.1016/S1359-6454(96)00054-7 Corpus ID: 137539250; Calculation of precipitate dissolution zone kinetics in oxidising binary two-phase alloys @article{Carter1996CalculationOP, title={Calculation of precipitate dissolution zone kinetics in oxidising binary two-phase alloys}, author={P. Carter and Brian Gleeson and … WebThe kinetics of the vaterite dissolution were conducted in magnetically stirred systems, undersaturated with respect to vaterite and prepared by mixing bicarbonate and calcium solutions: V = 400 cm 3, c i (NaHCO 3) ... The morphology …
WebA model is presented for the dissolution of a precipitate that is initially in equilibrium with its depleted matrix. The derived dissolution kinetics is characterized by R(t)=R 0−K√Dt, …
Web20 de nov. de 2013 · The derived dissolution kinetics is characterized by R (t)=R 0 − K √ Dt, where R (t) is the precipitate radius or half-thickness as a function of time ( t) during dissolution, R 0 is the precipitate radius or half-thickness at the instant that … theorg hinweiseWeb21 de set. de 2024 · Complete precipitate dissolution during adiabatic shear localisation in a Ni-based superalloy Magnus Hörnqvist Colliander a Department of Physics, Chalmers University of Technology, Gothenburg, Sweden Correspondence [email protected] theorg handbuch download kostenlosWebWe added to that our solution of silver nitrate, which had silver ions in solution, so Ag+, and nitrate anions, so NO3-. And we saw a precipitate form. We formed AgCl, which is our solid. We write AgCl here, which is our precipitate. Then we also had sodium cations and nitrate anions. We had sodium cations, Na+, and we had nitrate anions, NO3-. the org googleWeb15 de mar. de 1997 · The Green's function method was used to simulate the growth and dissolution of precipitates taking into account the influence of the curvature on the interfacial solute concentration. The dissolution time does not appear to be altered significantly unless the initial radius of a particle is very small, i.e. less than a few tens of … theorg forumWeb1 de out. de 1996 · When that component is concentrated in a dispersed precipitate within a two-phase alloy, dissolution of the precipitate phase will occur when external oxidation takes place. In this paper a diffusional analysis is used to predict the width of the precipitate-dissolution zone (X{sub d}) formed during such an oxidation process. theorg impfstatusWeb19 de jul. de 2013 · The influence of various solution andaging heat treatments on the dissolution and precipitation kinetics of γ' in wrought nickel base Udimet 520 superalloy was investigated, ... The precipitate growth process was followed by image analysis and the activation energy for γ' growth was evaluated to be 104 kJ mol -1. theorg hilfeWebthe formation of dissolution and precipitation bands along the columns. Under the experimental conditions, dolomite dissolution is a reaction rate controlled process; experiments indicated that, as such, the flow rate and the pH of the injected fluid affect dissolution only during the initial stages, when calcium carbonate is dissolved. On the the orgia falmouth