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박용진(Yongjin Park),서석훈(Seokhoon Seo),최해진(Hae-Jin Choi),박정수(Jung su Park) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
Al-Fe2O3 micro-thermite systems with two different types of polymer binders were physically synthesized. This multifunctional material is promising in terms of high structural integrity, high insensitivity in impact induced reaction compared with mono-functional energetic material, as well as high amount of energy release once it reacts. An optical images of fracture surface were shown by Scanning Electron Microscope(SEM) and Energy Dispersive X-ray spectroscopy(EDX) to verify material dispersion and porosity. Impact induced reaction of the reactive composites using two different binders was investigated by mass drop impact test. The three groups of impact specimen were prepared to calculate ignition height and required energy for the reaction by observing the ignition using a high-speed camera. Results were found that the micro Al-Fe<SUB>2</SUB>O<SUB>3</SUB> thermite system is likely to three times more insensitivity than monofunctional energetic material.