Publications
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Group highlights
In this paper, we investigate three-phase eutectic growth during thin-film directional solidification of a model symmetric ternary eutectic alloy.
Sumeet Khanna, Abhik Choudhury
Journal of Materials Science volume 56, pages 17646–17664 (2021)
This paper investigates the origin of three-phase microstructures along with two-phase growth instabilities that arise in the vicinity of three-phase eutectic composition.
Aramanda Shanmukha Kiran, Kamanio Chattopadhyay, Abhik Choudhury
Acta Materialia 221(1-2):117400 (2021)
In this paper, we study three dimensional microstructural evolution in a symmetric ternary three-phase eutectic alloy using phase-field simulations under directional solidification conditions.
Sumeet Khanna, Abhik Choudhury
Metallurgical and Materials Transactions A volume 52, pages 4246–4263 (2021)
In this paper, we present an approach for deriving both the process–structure and structure–property correlations based on the diffuse-interface approach using phase-field simulations based on the Cahn–Hilliard formalism.
Fiyanshu Kaka, Sumeet Khanna, P. C. Ramamurthy and Abhik Choudhury
Journal of Applied Physics 128, 145501 (2020)
In this paper, we explore the morphological evolution during two-phase growth in the Sn-Zn eutectic system, which has a particularly low volume fraction of the minority Zn phase.
Shanmukha Kiran Aramanda, Sumeet Khanna, Sai Kiran Salapaka, Kamanio Chattopadhyay, Abhik Choudhury
Metallurgical and Materials Transactions A 51, 6387-6405 (2020)
The objective of this work is to establish the role of solid–solid interfacial energy anisotropy in the stabilization of broken lamellar structures in systems, where minority phase fraction is low using phase-field simulations
Sumeet Khanna, Shanmukha Kiran Aramanda, Abhik Choudhury
Metallurgical and Materials Transactions A 51, 6327–6345 (2020)
In this paper, we formulate a phase-field model for the computation of equilibrium configurations of multiple phases that arise out of a solid-state precipitate reaction, in the presence of coherency stresses.
Bhalchandra Bhadak, Ravi Kumar Singh, Abhik Choudhury
Metallurgical and Materials Transactions A volume 51, pages 5414–5431 (2020)
This paper examines in detail the origin of the evolution of complex patterns that arises due to a two-phase growth instability induced by impurity addition.
Shanmukha Kiran Aramanda, Sai Kiran Salapaka, Sumeet Khanna, Kamanio Chattopadhyay, Abhik Choudhury
Acta Materialia 197 (2020) 108-121
Full List of publications
MICROSIM: A high performance phase-field solver based on CPU and GPU implementations
Tanmay Dutta, Dasari Mohan, Saurav Shenoy, Nasir Attar, Abhikshek Kalokhe, Ajay Sagar, Swapnil Bhure, Swaroop S Pradhan, Jitendriya Praharaj, Subham Mridha, Anshika Kushwaha, Vaishali Shah, M. P. Gururajan, Venkatesh Shenoi, Gandham Phanikumar, Saswata Bhattacharyya, Abhik Choudhury
Pre-print (2024)
Unveiling the Intricacies of a Ductile‐Phase Toughened Intermetallic: An In‐Depth Exploration of a Eutectic Mo–Si–Ti Alloy and its Mechanical Behavior
R.J. Vikram, Aramanda Shanmukha, Daniel SchliephakeShow, Alexander Kauffman, Abhik Choudhury, Martin Heilmaier, Satyam Suwas
Advanced Engineering Materials 10.1002/adem.202301843 (2024)
Splitting Instability in Superalloys: A Phase-Field Study
Tushar Jogi, Saurav Shenoy, Ramachandran Sankarasubramanian, Abhik Choudhury, Saswata Bhattacharyya
10.13140/RG.2.2.22287.15522 (2024)
Modeling Properties and Phenomena at High Temperatures: Atomistic and Phase-Field Approaches
R. Ramakrishnan, Ramachandran Sankarasubramanian, Abhik Choudhury, Saswata Bhattacharyya
10.1016/B978-0-323-85935-6.00021-0 (2024)
Toward DS/SX Ni-Based Superalloy Components Using L-DED: A Multi-scale Modeling and Experimental Approach
Swapnil Bhure, Divya Nalajala, Abhik Choudhury
Transactions of the Indian Institute of Metals. 10.1007/s12666-023-03173-z (2024)
Effect of grain-boundary character on segregation of vacancies: Thermodynamic aspects
Subham Mridha, Abhik Choudhury, Karthikeyan Subramanian
Physical Review Materials. 7. 10.1103/PhysRevMaterials.7.113605 (2023)
Role of interfacial energy and liquid diffusivities on pattern formation during thin-film three-phase eutectic growth
Sumeet Khanna, Abhik Choudhury
Journal of Materials Science volume 56, pages 17646–17664 (2021)
Exotic three-phase microstructures in the ternary Ag-Cu-Sb eutectic system
Aramanda Shanmukha Kiran, Kamanio Chattopadhyay, Abhik Choudhury
Acta Materialia 221(1-2):117400 (2021)
Three-Phase Eutectic Microstructures: Influence of Interfacial Energy Anisotropy and Solute Diffusivities
Sumeet Khanna, Abhik Choudhury
Metallurgical and Materials Transactions A volume 52, pages 4246–4263 (2021)
Investigation of process–structure–property relationship in ternary organic photovoltaics
Fiyanshu Kaka, Sumeet Khanna, P. C. Ramamurthy and Abhik Choudhury
Journal of Applied Physics 128, 145501 (2020)
Crystallographic and Morphological Evidence of Solid-Solid Interfacial Energy Anisotropy in the Sn-Zn Eutectic System
Shanmukha Kiran Aramanda, Sumeet Khanna, Sai Kiran Salapaka, Kamanio Chattopadhyay, Abhik Choudhury
Metallurgical and Materials Transactions A 51, 6387-6405 (2020)
Role of Solid–Solid Interfacial Energy Anisotropy in the Formation of Broken Lamellar Structures in Eutectic Systems
Sumeet Khanna, Shanmukha Kiran Aramanda, Abhik Choudhury
Metallurgical and Materials Transactions A 51, 6327–6345 (2020)
Equilibrium Multi-precipitate Configurations
Bhalchandra Bhadak, Ravi Kumar Singh, Abhik Choudhury
Metallurgical and Materials Transactions A volume 51, pages 5414–5431 (2020)
Exotic colony formation in Sn-Te eutectic system
Shanmukha Kiran Aramanda, Sai Kiran Salapaka, Sumeet Khanna, Kamanio Chattopadhyay, Abhik Choudhury
Acta Materialia 197 (2020) 108-121
Modeling process–structure–property relationship in organic photovoltaics using a robust diffuse interface approach
Fiyanshu Kaka, Ravi K. Singh, P. C. Ramamurthy, and Abhik Choudhury
AIP Advances 10, 065304 (2020)
Dendrite tip selection during isothermal free growth in multi-component alloys: Marginal stability theories and insights from phase-field simulations
Arka Lahiri, Abhik Choudhury
Computational Materials Science, Volume 158, Pages 209-218 (2019)
Phase-Field Modeling of Equilibrium Precipitate Shapes Under the Influence of Coherency Stresses
Bhalchandra Bhadak, R. Sankarasubramanian, Abhik Choudhury
Metallurgical and Materials Transactions A volume 49, pages 5705–5726 (2018)