how to calculate the activation energy for grain and grain boundaries?
Thanks
22 July 2024 1,142 3 View
I am working on implementing a Kalman filter integrated with ARMA parameters, as described in the article "Predicting Time Series Using an Automatic New Algorithm of the Kalman Filter"...
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I am trying to synthesize Cu3P, but I am encountering difficulties with the solubility of red phosphorus in water and various organic solvents. What should I do in this situation? Could anyone...
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I'm currently tasked with designing the control system for a reverse osmosis (RO) feasibility project. I'm looking for guidance on how to approach this design process and what software options...
27 March 2024 9,751 3 View
Hi, Could anyone tell me how to do to calculate optical density at 680 nm of microalgae culture when the suspension is diluted several times? Exemple: OD at 680 for a strain, in day 4 was 1.564...
20 March 2024 1,043 0 View
I want to measure fluorescence quantum yield of carbon quantum dots, can we use Rhodamine B as a standard solution and also explain the whole procedure of measuring quantum yield.
18 March 2024 1,252 1 View
Hello everyone I am looking for the limitations on applying dynamic Bayesian networks (DBN); please provide scientific papers in this context.
19 February 2024 6,009 0 View
I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...
07 August 2024 5,176 3 View
Many literatures have shown that the RVE model shows the grain boundaries between different grains. How can this be achieved using DAMASK+paraview?
21 July 2024 9,224 1 View
I want to know the suitable etchant required to reveal the Aluminum oxide grain boundaries.
14 June 2024 8,954 1 View
I am performing a graphical grain size analysis based on Folk and Ward (1957) and for that I require percentiles as specified in this article...
08 June 2024 5,583 4 View
This kind of labeling is widely used as listed below. Is the letter important or trivial? How is it related to the axis, angle, and boundary plane? Thanks. Σ values denote the ratio called the...
30 April 2024 5,893 1 View
In other words, why cannot the grain boundaries follow the high frequency ac signal?
13 March 2024 2,868 0 View
Respected All, I have drawn Nyquist Plot for my sample. The fitting equivalent circuit is shown in attached figure. From that i find that grains show capacitive behaviour and grain boundary show...
01 March 2024 1,972 0 View
In metallic materials, the process of grain growth is also the process of grain boundary migration. So what role does atomic diffusion play in this process? Is there long-range diffusion migrating...
07 January 2024 8,374 2 View
I have to occasionally etch tantalum to evaluate grain structure, but I often times find the etchant doesn't fully reveal the grain boundaries. Perhaps using a color etchant as well is worthwhile....
02 January 2024 8,652 0 View
Dear All Can anybody help me identify whether the undulatory boundaries between grains (see attached file) are due to high-temperature diffusion creep or high-temperature grain boundary migration...
17 December 2023 9,070 2 View
