SHS reaction and explosive crystallization in thin films: Resemblance and distinction


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Abstract

The SHS waves in multilayer Ni/Al nanofilms and the explosive crystallization waves in Sb films deposited onto a thin copper substrate were comparatively explored by IR imaging and SEM. Despite a markedly lower thermal effect of crystallization, the waves of chemical reaction and crystallization were found to have much in common in their temperature–time histories: warmup rate, temperature gradient in the wave front, and duration of heat release. Observed was a micro-scintillation mode of the propagation of explosive crystallization wave in Sb films.

About the authors

A. S. Rogachev

Institute of Structural Macrokinetics and Materials Science

Author for correspondence.
Email: rogachev@ism.ac.ru
Russian Federation, Chernogolovka, Moscow, 142432

S. G. Vadchenko

Institute of Structural Macrokinetics and Materials Science

Email: rogachev@ism.ac.ru
Russian Federation, Chernogolovka, Moscow, 142432

A. S. Shchukin

Institute of Structural Macrokinetics and Materials Science

Email: rogachev@ism.ac.ru
Russian Federation, Chernogolovka, Moscow, 142432

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