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Programmable multiscale energy release in synergistic energetic composites with three dimensional printed
Yongjin Chen1, Hui Ren2, Haoyue Xin1
1State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing, China.
Nature Communications
|March 27, 2026
Summary
Researchers developed a 3D printing method for programmable energetic composites. This technique enhances energy release control in explosives and reactive systems for advanced applications.
Area of Science:
- Materials Science
- Chemical Engineering
- Mechanical Engineering
Background:
- Energetic materials are crucial for propulsion and detonation but lack controlled energy release.
- Integrating reactive composites with molecular explosives while maintaining precision is difficult.
Purpose of the Study:
- To develop a 3D printing strategy for programmable energetic composites.
- To achieve precise control over energy release in energetic materials.
Main Methods:
- Utilized acoustic-assisted assembly to combine metastable composites with crystalline high explosives.
- Employed 3D printing to create dense architectures with uniform coating and intimate interfacial contact.
- Fabricated filamentary and core-shell structures for tailored energy release.
Main Results:
- Achieved enhanced thermal reactivity, accelerated pressurization, and increased energy output.
- Demonstrated multistage and geometry-dependent energy release, including sustained combustion and fireball formation.
- Showcased systematic tuning of energy release characteristics via composition and architecture.
Conclusions:
- Established a general route for structure-performance control in energetic materials.
- Highlighted additive manufacturing as a powerful platform for next-generation energetic systems.
