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Thermal analysis of the high-energetic material HNF

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Author: Klerk, W.P.C. de · Heijden, A.E.D.M. van der · Veltmans, W.H.M.
Type:article
Date:2001
Institution: Prins Maurits Laboratorium TNO
Source:Journal of Thermal Analysis and Calorimetry, 3, 64, 973-985
Identifier: 236183
doi: doi:10.1023/A:1011535332434
Keywords: Compatibility · DSC · HNF · Microcalorimetry · Propellant · TG · Thermal stability · Differential scanning calorimetry · Differential thermal analysis · Friction · Physical properties · Propellants · Societies and institutions · Stability · Thermoanalysis · Thermodynamic stability · Chemical properties · Hydrazinium nitroformate · Microcalorimetry · Solid oxidiser · Vacuum stability test · Nitrogen compounds

Abstract

In a search for new storable high performance propellants for the European Space Agency (ESA), the solid oxidiser hydrazinium nitroformate (HNF) has been identified as a very promising ingredient for a new storable composite propellant. The purity and stability of HNF after production are very important indicators for the quality of HNF. In order to characterise HNF, many thermal analysis techniques as DSC and TG/DTA were performed to obtain more information about its stability and its (in)compatibility with other materials. Also some less familiar techniques such as the vacuum stability test and microcalorimetry have been performed. In relation to the safety, a relation between the friction and impact sensitivity and the physical-chemical properties is made.