بهبود خواص ایمنی و پایداری حرارتی ماده منفجره HMX پوشش‌داده شده با مواد پرانرژی

Kardan, Hamid; Zarei, Ali Reza; Zohari, Narges; Tavangar, Saeed; zarei, ma

Volume 18, Issue 3 (11-2023) مواد پرانرژی 2023, 18(3): 117-124 | Back to browse issues page

‎ 20.1001.1.17353629.1402.18.3.1.7

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Kardan H, Zarei A R, Zohari N, Tavangar S, zarei M. بهبود خواص ایمنی و پایداری حرارتی ماده منفجره HMX پوشش‌داده شده با مواد پرانرژی. مواد پرانرژی 2023; 18 (3) :117-124
URL: http://isaem.ir/article-1-1476-en.html

بهبود خواص ایمنی و پایداری حرارتی ماده منفجره HMX پوشش‌داده شده با مواد پرانرژی

Hamid Kardan

, Ali Reza Zarei ^*

, Narges Zohari

, Saeed Tavangar

, Ma Zarei

Malek Ashtar University of Technology , zarei1349@gmail.com

Abstract: (419 Views)

Surface coating is the most common method to reduce the sensitivity of energetic materials. The efficiency of this technique depends on the preparation method and the coating agents. This process is carried out through different methods. In order to reduce the sensitivity of HMX particles, waxes are conventionally used, which leads to decrease in HMX energy content. In this research, using three energetic compounds NC, DINA and TNT, and the solvent/anti-solvent method was used for HMX coating. The scanning electron microscopy (SEM) was utilized to investigate the morphology. The results showed that uniform samples with optimal coverage are composed of coating agents. The Fourier-transform infrared (FT-IR) spectra confirmed the surface interaction between the HMX and coating agents. The thermal behavior of the coated samples was investigated by simultaneous thermogravimetric and differential scanning calorimetry analysis (TG-DSC). Results showed that while maintaining the thermal stability of coated HMX in respect to pure HMX, the heat of reaction from 1569.29 J/g for pure HMX increased to 1612.88, 1707.01, and 1690.38 J/g equivalent to 2.8%, 8.8% and 7.7% for coated samples with NC, DINA and TNT, respectively. Additionally, in the case of the HMX/TNT, the impact sensitivity of the 1 kg sample is reduced compared to the pure HMX, and for HMX/NC and HMX/DINA, no significant change was observed.

Keywords: Coating, Energetic materials, Safety, HMX, DINA, TNT

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Type of Study: Research | Subject: سنتز، آناليز، کنترل کيفيت، فرمولاسيون و فرايندهاي توليد مواد پرانرژی (منفجره، پيروتکنيک و پيشرانه)
Published: 2024/05/22