Diffusion in high entropy alloy systems–a review

V Verma, CH Belcher, D Apelian, EJ Lavernia - Progress in Materials …, 2024 - Elsevier
High entropy alloys (HEAs) represent a class of multicomponent alloys that have garnered
significant attention within materials community over the past two decades, largely due to …

Recent advances in understanding diffusion in multiprincipal element systems

A Dash, A Paul, S Sen, S Divinski… - Annual Review of …, 2022 - annualreviews.org
Recent advances in the field of diffusion in multiprincipal element systems are critically
reviewed, with an emphasis on experimental as well as theoretical approaches to …

Estimation of diffusion coefficients in NiCoFeCrAl multi-principal element alloy following an inventive design strategy of diffusion couples

A Dash, S Bhattacharyya, A Paul - Acta Materialia, 2023 - Elsevier
An inventive design strategy of producing the diffusion couples for intersecting the diffusion
paths in multicomponent space is described in Ni-Co-Fe-Cr-Al multi-principal element alloy …

Estimation of diffusion coefficients by intersecting different types of diffusion paths in a multi-principal element alloy

A Dash, A Paul - Acta Materialia, 2023 - Elsevier
A unique method for estimating all types of diffusion coefficients in a multicomponent system
is proposed by intersecting only two but different types of diffusion paths. This concept …

Concepts for estimating all types of diffusion coefficients of NiCoFeCr multi-principal element alloys using two dissimilar or a combination of ideal and non-ideal …

A Dash, S Bhattacharyya, A Paul - Scripta Materialia, 2023 - Elsevier
The estimation of diffusion coefficients in multicomponent system is facilitated by
strategically designing diffusion couples with constrained diffusion paths. We have …

Utilising physics-informed neural networks for optimisation of diffusion coefficients in pseudo-binary diffusion couples

H Kumar, N Esakkiraja, A Dash, A Paul… - Philosophical …, 2023 - Taylor & Francis
We propose a numerical inverse method based on physics-informed neural networks (PINN)
for calculating composition-dependent diffusion coefficients in pseudo-binary (PB) diffusion …

A physics-informed neural network-based numerical inverse method for optimization of diffusion coefficients in NiCoFeCr multi principal element alloy

H Kumar, A Dash, A Paul, S Bhattacharyya - Scripta Materialia, 2022 - Elsevier
The composition-dependent pseudo-binary (PB) interdiffusion coefficients and the main
intrinsic diffusion coefficients of all the components at the near equiatomic composition of …

An experimental estimation method of diffusion coefficients in ternary and multicomponent systems from a single diffusion profile

S Sadhu, A Chakraborty, S Makineni, S Bhattacharyya… - Acta Materialia, 2024 - Elsevier
Until recently, it was textbook knowledge that the diffusion coefficients could not be
estimated in a multi-component system following the widely practised diffusion couple …

Structural stability and thermal expansion of TiTaNbMoZr refractory high entropy alloy

M Behera, A Panigrahi, M Bönisch, G Shankar… - Journal of Alloys and …, 2022 - Elsevier
A near-equiatomic TiTaNbMoZr refractory high entropy alloy (RHEA) was prepared by
vacuum arc melting. It consists of two BCC solid solution phases (predominant and minor …

Correlation between estimated diffusion coefficients from different types of diffusion couples in multicomponent system

N Esakkiraja, A Dash, A Mondal, KCH Kumar, A Paul - Materialia, 2021 - Elsevier
The interdiffusion coefficients can be estimated now purely experimentally from
multicomponent diffusion profiles utilizing the recently proposed pseudo-binary and pseudo …