# Droplet Fluctuations in the Morphology and Kinetics of Martensites

Source: [Droplet Fluctuations in the Morphology and Kinetics of Martensites](<https://www.sota2.com/research/paper/68fa24422c2a3760193a1b05>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T09:00:16.554Z

Authors: Madan Rao, Surajit Sengupta

Published: 1996-07-05T12:21:36.000Z

## Abstract

We derive a coarse grained, free-energy functional which describes droplet configurations arising on nucleation of a product crystal within a parent. This involves a new \`slow' vacancy mode that lives at the parent-product interface. A mode-coupling theory suggests that a {\\it slow} quench from the parent phase produces an equilibrium product, while a {\\it fast} quench produces a metastable martensite. In two dimensions, the martensite nuclei grow as \`lens-shaped' strips having alternating twin domains, with well-defined front velocities. Several empirically known structural and kinetic relations drop out naturally from our theory.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/cond-mat/9607038>)

[PDF](<https://arxiv.org/pdf/cond-mat/9607038.pdf>)