Thermal decomposition of ammonium nitrate modeling of thermal dissociation in thermal analysis

被引：0

作者：

Fujisato, Koji ^{[1
]}

Habu, Hiroto ^{[2
]}

Miyake, Atsumi ^{[3
]}

Hori, Keiichi ^{[2
]}

机构：

[1] Univ Tokyo, Sch Engn, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

[2] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan

[3] Yokohama Natl Univ, Grad Sch Environm & Informat Sci, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan

来源：

SCIENCE AND TECHNOLOGY OF ENERGETIC MATERIALS | 2014年 / 75卷 / 1-2期

关键词：

ammonium nitrate; thermogravimetric analysis; differential thermal analysis; thermal dissociation; thermal decomposition; MASS-LOSS PROCESS; THERMOGRAVIMETRIC DATA; ACTIVATION-ENERGY; MOLTEN NH4NO3; SAMPLE MASS; KINETICS; MECHANISM; TEMPERATURE; SUBLIMATION; PERCHLORATE;

D O I：

暂无

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Pressure thermogravimetric-differential thermal analysis is used to study the thermal decomposition of ammonium nitrate (AN) in open and nonisothermal conditions as functions of the sample amount, heating rate, flow rate of purge gas, shape of sample pans, and pressure. The thermal decompositions are simulated using a physicochemical model. The thermal decomposition of AN consists of a chemical reaction and a thermal dissociation process-a physical process. The model considers thermal dissociation as a first-order diffusion model and succeeds in reproducing the experimental results. This method can be widely used for the thermal analysis of energetic materials.

引用

页码：28 / 36

页数：9

共 41 条

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