Does anyone have an accurate theoretical method to calculate the elastic modulus for any chalcogenide alloy?

More Ahmed Saeed Hassanien's questions See All

Please, I would like to ask about the availability of JCPDS software. I hope if any one can provide me this software to help me and who needs it?

I would like If it is possible to share the link which anyone can connect it and can download the ICDD Database software. Thank you in advance.

02 March 2018 2,749 0 View

What are the great differences between FESEM and TEM??

What are the great differences between FESEM and TEM?? Is TEM essential to define the crystal lattice and crystal defects of the nanoparticles, or XRD is more accurate than TEM to define the same?

31 December 2017 1,781 6 View

Please, Could any one mention the web link to download the JCPDS software or to download the CD of PDF cards of inorganic materials.

Dear colleagues ... My great greetings ... Please, Could any one mention the web link to download the JCPDS software or to download the CD of PDF cards of inorganic materials. Thank you in advance.

04 May 2017 1,527 18 View

Dear colleagues, What about the growth of powder nanoparticles !!??

Is there a prefered orientation for the powder nanoparticles formation? Are there a probable defects may be occurred like those formed in case of the thin-film texture? Can XRD detect...

09 October 2016 1,376 2 View

Please, Can any one inform me if XRD can detect the different types of the crystalline imperfections ? What are the used software programs?

Please, Can any one inform me if XRD can detect the different types of the crystalline imperfections ? What are the used software programs? are there free programs can determine these defects? If...

04 May 2016 6,206 4 View

Why RG does not announce about the research works which recorded the highest reading through the ended week?

I Suggest that RG should give a list for the most read articles which have been read through the ended week in each field. Where the article that records more reading may reflect its importance in...

03 April 2016 697 13 View

Are there any confirmed ways to prepare a glassy system without resorting to the phase diagram?

When preparing a ternary glassy system we resort to the phase diagram of that composition to know the probable percentage of its constituent elements and to know the probable regions of the...

01 February 2016 7,367 3 View

Is Vegard's law valid to calculate the optical energy gap of glassy chalcogenide (II-VI) alloys?

Vegard predicted to calculate theoretically the optical energy gap of crystalline systems for the III-V systems. Does this law valid to calculate the optical energy gap of glassy chalcogenides...

07 August 2015 4,890 3 View

Why does the resistivity of an alloy need to be between those of its components, or at least similar to them?

The resistivity of an alloy should be between those of its components, or at least similar to them. But practically, it was found that, it was much higher than that of either component.

02 March 2015 6,837 10 View

Why is the resistance of an disordered alloy so high?

the resistance of an disordered alloy is found so high and larger than the crystalline alloy of the same composition. What is the interpretation of this behaviour?

02 March 2015 637 8 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

Is there anyone with experience in TEM analysis who can assist with a manuscript for an upcoming journal?

Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...

07 August 2024 9,563 0 View

How select composition for ods-high entropy alloys?

31 July 2024 2,795 1 View

I am trying to obtain microstructure for Mg-Zn-Sn alloy?

Any suggestions with respect to etchant composition and holding time?

27 July 2024 6,925 2 View

Will the catalytic effect of retained austenite happens in steels including RA?

The catalytic effect of retained austenite refers to the phenomenon wherein quenching steels with a small amount of retained austenite, when subjected to tempering at a specific temperature...

27 July 2024 8,508 0 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

How can we simulate(with FEM) the shape of Mobius strip using Abaqus Learning edition?

Aim is to simulate the shape of Mobius strip (an elastic ribbon) in simple way ( using Abaqus Learning edition). In literature, Mobius strip is modeled as Kirchhoff Rod / Cosserat plate. But, such...

15 July 2024 4,388 1 View

What binders suggestion that I can use for zinc alloy?

I am working on powder metallurgy, and during the compaction process, the powder does not pelletize and remains in its powder form. To address this issue, I am considering using binders to improve...

13 July 2024 9,003 2 View

How to select temperatures for two-step aging treatment in high entropy superalloys?

Waspaloy is considered the benchmark alloy. Due to the different gamma prime solvus temperatures, we couldn't adopt the same double aging treatment. Can anyone suggest how to select temperatures...

13 July 2024 2,417 1 View

What is the mathematical expressionof theoretical yield strength calculated considering solution strengthening in stainless steel 316L?

In the expression for solid solution strengthening model that has been widely used in the literature use a linear form consisting of strength coefficient, and concentration of elements in wt.%....

11 July 2024 4,476 3 View