Refractory alloys with a ductile body-centered-cubic (BCC) matrix strengthened by ordered B2 precipitates offer a high-temperature analogue to the gamma/gamma-prime architecture of Ni-based superalloys. Ruthenium is particularly attractive as a B2 stabilizer because RuHf, RuZr, and RuTi can retain ordered phases well a...
Nathan E. Peterson, A. Mahata, Nicholas Beaver et al.· 0 citations
We present a transferable graph neural network (GNN) surrogate framework for molecular dynamics (MD) that directly predicts atomic displacements and propagates atomistic configurations without explicit force evaluation or numerical time integration. The central objective of this work is to establish whether a common GN...
J. Immanuel, A. Mahata, Aniruddha Maiti· 0 citations
The fracture response of body-centered-cubic tungsten is governed by competition between crack-tip instability and dislocation-mediated plastic accommodation. Molecular dynamics (MD) simulations are used to examine edge-cracked polycrystalline W and W-Re under displacement-controlled Mode-I tension from 300-1800 K at a...
This study evaluated state recognition from 100 by 100 two-gate current maps using 30 by 30 labeled patches under a strict device-level split to support fidelity-based quantum kernels as practical components for automated quantum dot tuning pipelines requiring few-shot generalization.
M. Ashakin, Rubayat Khan, A. Mahata et al.· International Conference on...· 0 citations
Controlling elemental mixing in nanoparticles composed of immiscible elements remains a central challenge in high-entropy materials design. Here, we demonstrate a kinetic pathway that enables a transition from elementally segregated to high-entropy AgNiCoCr nanoparticles using nanosecond laser-induced dewetting of meta...
Soumya Mandal, A. Mahata, Annaliese Colwell et al.· ACS Applied Nano Materials· 0 citations
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