Gas generation behavior of gas generating agents have been examined for mixtures using of 5-amino-1H-tetrazole (5-ATZ) as a fuel component together with various types of oxidizers (lithium perchlorate LiClO4 (LP), potassium perchlorate KClO4 (KP), sodium nitrate NaNO3 (SN), potassium nitrate KNO3 (KN), strontium nitrate Sr (NO3)2 (SrN), and copper(II) oxide (CuO) ), through deflagration test inside a closed 4 liter vessel. As a result, the degree of pressure gradients were in the order of LP > KP > SN > KN > SrN > CuO. Meanwhile, temperature gradients inside the vessel were in the same order. It was found that 5-ATZ/SN and 5-ATZ/KN mixtures' pressure gradients were larger and their generated gas temperature were lower than those of 5-ATZ/SrN mixture.
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