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High Energy Density Materials (Hardcover, 2007 ed.)
Loot Price: R5,793
Discovery Miles 57 930
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High Energy Density Materials (Hardcover, 2007 ed.)
Series: Structure and Bonding, 125
Expected to ship within 10 - 15 working days
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This book summarizes some recent developments in the area of
high-energy high-density (HEDM) materials. Rather than being
comprehensive in scope, emphasis is given to structural and bonding
features of highly energetic - terials with possible applications
as high explosives (secondary explosives) or propellants. In this
book we do not focus on primary explosives (e.g. lead
azidereplacements)sincebyde?nitiontheexplosiveperformance(detonation
velocity and detonation pressure) of such materials - although very
sensitive -are much less energetic than secondary (high)
explosives. Modern HEDMs derive most of their energy (i) from
oxidation of the c- bon backbone, as in traditional energetic
materials, (ii) from ring or cage strain, or (iii) from their very
high positive heat of formation. Examples of the?rstclassare
traditionalexplosives, suchasTNT, RDXand HMX.Modern
nitro-compounds, such as CL-20 or the recently reported hepta- and
octa- trocubanes, belong to the second group of explosives and
possess very high densities and enhance the energies utilizing
substantial cage strain. Members of the third class of compounds
are high-nitrogen compounds (up to 85% - trogencontent), such as
aminotetrazole and nitrotetrazolederivatives, which show the
desired remarkable insensitivity to electrostatic discharge,
friction and impact, while having very high positive heats of
formation and therefore very high explosive powers. The synthesis
of energetic, non-nuclear materials for military application has
been a long-term goal in various academic and military research
groups worldwide. Some of the current challenges that face
HEDMscientists are:
Demandforenvironmentallycompatibleandtoxicologicallyacceptable-
plosives and propellants. Examples are replacements for TNT, RDX
and HMXsince nitro-explosivesper se, aswellastheir environmental
transf- mation products, are toxic."
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