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On-Chip Initiation and Burn Rate Measurements of Thermite Energetic Reactions

Steven Apperson, Shantanu Bhattacharya, Yuanfang Gao, Subramanian Senthil, Shameem Hasan, Maruf Hossain, Rajesh Shende, Paul Redner, Deepak Kapoor, Steven Nicolich, Keshab Gangopadhyay, Shubhra Gangopadhyay

Burn rates of various nano-energetic composites were measured by two techniques; on-chip method and conventional optical method. A comparison is presented to confirm the validity of on-chip method. On-chip initiators were prepared using platinum heater films and nanoenergetic composites. Thin film Pt heaters were fabricated with different dimensions and ignition delay was studied using a nano-energetic composite of CuO nano-rods and Al-nano-particles. The ignition delay as a function of electrical power is presented for the same energetic composite. Heater with smaller surface area is found to be more efficient, which may be due to the lower heat losses.

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Track ID:
Paper #: 0896-H03-02

Elsevier/Materials Today