Chima Ugwuegbu

7 Questions 14 Answers 0 Followers

Questions related from Chima Ugwuegbu

Can someone help me understand phase evolution in high-entropy alloys?

A lot of cases exist where CALPHAD (phase diagram) predicts a particular phase structure of a high-entropy alloy at room temperature, however, the high-entropy alloy when produced retains the...

28 June 2023 5,148 2 View

Creating Lammps data files for a high-entropy alloy?

Hi everyone, please what is the best and easiest way of creating Lammps data file for a face centered cubic (fcc) high-entropy alloy (HEA)? In DFT calculations, supercells of HEAs (due to random...

29 November 2020 4,754 14 View

Phase Stability in High-Entropy Alloys??

Hi everyone, I read a journal paper (titled: Entropy-driven phase stability and slow diffusion kinetics in an Al0.5CoCrCuFeNi high entropy alloy) in which the authors (Chun Ng et al.) after...

13 September 2020 1,385 0 View

Development of FeCrCoMoVC high entropy cast iron?

A research fellow developed high entropy cast iron alloy by adding Carbon to Cantor high entropy alloy composition (FeCoCrNiMn). However, white cast irons (especially high Cr cast irons) are known...

27 November 2019 9,695 3 View

Interatomic Potential for MD simulation of High-Entropy Alloys

I am working on the MD simulation of a senary (Al-Co-Cr-Fe-Ni-Mo) high-entropy alloy and do not know how to obtain the right interatomic potential suitable for the work. In NIST repository, there...

01 January 1970 7,414 3 View

Pandat CALPHAD software package acquisition?

Please I am a self-sponsoring PhD student working on the development of a senary high entropy alloy. I am stuck as I do not have a CALPHAD software to design my alloy. Please how do I move ahead...

01 January 1970 7,795 6 View

Lammps Generalized Stacking Fault Energy (GSFE) Curve Generation

Please in the section of the input script below, would it be possible for someone to explain to me why the ylo and yhi are set to 45 and 80 respectively for the energy region? "Appendix A ###...

01 January 1970 247 0 View