Energetic Composites
Energetic Composites - Related Videos
09:50
Preparation and Reactivity of Gasless Nanostructured Energetic Materials
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Cited by 5 •
2015
This protocol describes the preparation of gasless nanostructured energetic materials (Ni+Al, Ta+C, Ti+C) using the short-term high-energy ball milling (HEBM) technique. It also describes a high-speed thermal imaging method to study the reactivity of mechanically fabricated nanocomposites. These protocols can be extended to other reactive nanostructured energetic materials.
02:35
Energetics of Solution Formation
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2023
The formation of a solution is an example of a spontaneous process, which is a process that occurs under specified conditions without energy from some external source. When the strengths of the intermolecular forces of attraction between solute and solvent species in a solution are no different than those present in the separated components, the solution is formed with no accompanying energy change. Formation of the solution requires the solute–solute and solvent–solvent electrostatic forces to...
11:38
Assessment of Cardiac Function and Energetics in Isolated Mouse Hearts Using 31P NMR Spectroscopy
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Cited by 36 •
2010
Langendorff-mode isolated heart perfusion, in conjunction with 31P NMR spectroscopy, combines the fields of biochemistry and physiology into one experiment. The protocol allows for the dynamic measurement of high energy phosphate content and turnover in the heart while concurrently monitoring physiologic function. When performed correctly, this is a valuable technique in the assessment of cardiac energetics.
03:35
Classifying Matter by Composition
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2020
Matter: Pure Substances and Mixtures According to its composition, the matter can be classified into two broad categories — pure substances and mixtures. A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated. A mixture is composed of two or more types of...
08:40
Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing
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Cited by 4 •
2016
A straightforward procedure for ultrasonic welding of thermoplastic composite coupons for basic mechanical testing is described. Key characteristics of this ultrasonic welding process are the use of flat energy directors for simplified process preparation and the use of process data for the fast definition of optimum processing conditions.
FAQs
The fuel and oxidizer phases provide the chemical basis for an exothermic reaction, while their integration within a structured matrix influences how energy release proceeds. This arrangement allows engineers to design composites for controlled behavior rather than relying only on the inherent reactivity of separate components. The resulting phase structure is important in propellants, explosives, and pyrotechnic systems.
Particle size and architecture affect both energy output and reaction rate. Changes in particle dimensions alter the composite’s internal structure, while architecture describes how its components are arranged within the matrix. Engineering these features provides ways to tune reaction behavior for a particular application, supporting performance improvements in propulsion, defense, and other energy-release technologies.
Energetic composites can respond to different initiating inputs, including heat, ignition, or mechanical stimulation. These inputs supply the trigger that starts the exothermic reaction, after which the material’s composition and internal architecture influence its progression. Selecting and controlling the initiation pathway is therefore central to designing systems with suitable response characteristics, stability, and safety.
Development requires balancing composition, particle size, architecture, processing, stability, performance, and safety. Composition and structure influence energy output and reaction rate, whereas processing determines how the engineered material is produced. Stability and safety address whether the composite can be handled and used appropriately. Together, these considerations guide designs for propulsion, defense, manufacturing, and energy-related technologies.
Their principal applications include propellants, explosives, pyrotechnics, and reactive structural materials. In these settings, engineers use the ability to control energy release through composition and structure to support different functional requirements. The same materials science principles also contribute to aerospace, manufacturing, defense engineering, and energy-related research, where performance must be considered alongside processing and safety.
Research considers more than the amount of released energy. Engineers also examine reaction rate, stability, processing characteristics, and safety, because a high-performing material must remain suitable for its intended use. This broader evaluation supports improvements in established applications and helps develop multifunctional materials whose engineered behavior can serve both energy-release and structural purposes.