Ti/CuO Nanothermite Doped with Secondary Energetic Materials: A Study of Combustion Parameters

Author:

Polis Mateusz12ORCID,Stolarczyk Agnieszka2ORCID,Szydło Konrad12ORCID,Lisiecka Barbara1ORCID,Procek Marcin3ORCID,Sławski Sebastian4ORCID,Domagała Wojciech2ORCID,Iksal Jakub5,Jarosz Tomasz2ORCID

Affiliation:

1. Łukasiewicz Research Network—Institute of Industrial Organic Chemistry, Explosive Techniques Research Group, 42-693 Krupski Młyn, Poland

2. Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, 44-100 Gliwice, Poland

3. Department of Optoelectronics, Silesian University of Technology, 2 Krzywoustego Str., 44-100 Gliwice, Poland

4. Department of Theoretical and Applied Mechanics, Silesian University of Technology, 18A Konarskiego Str., 44-100 Gliwice, Poland

5. Student at the Faculty of Chemistry, Silesian University of Technology, 44-100 Gliwice, Poland

Abstract

Nanothermites have found broad applications; however, due to being systems largely reacting in condensed phases, their performance is somewhat limited by heat and mass transfer. In order to alleviate this issue, nanothermites doped with gas-generating energetic materials have been developed. In this work, we present an investigation of a model Ti/CuO nanothermite doped by four classical energetic materials and investigate their properties and combustion performance. Mechanical and laser irradiation sensitivity, as well as ignition/explosion temperatures have been determined for the studied systems to establish their safety features. In terms of combustion performance, thrust force parameters and linear combustion velocity have been determined and the structure of the evolving flame front was recorded during open-air combustion experiments. The obtained results indicate that the developed doped nanothermite formulations are extremely promising materials for future applications.

Funder

Ministry of Science and Higher Education of Poland

Silesian University of Technology

Rector of Silesian University of Technology

Publisher

MDPI AG

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