Thermal behavior of ammonium perchlorate and metal powders of different grades

Zhi, Junge; Tian-Fang, W.; Li, Shufen; Zhao, Fengqi; Liu, Ziru; Yin, Cui-Mei; Yang, Li; Li, Shang-Wen; Gang-Zhui, Zhang

doi:10.1007/s10973-005-7035-7

Cited by 42 publications

(12 citation statements)

References 21 publications

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“…The first shows a 35.3 % decrease in mass and the second happened at a higher temperature with about 64.7 % mass loss. This trend is consistent to earlier reference [37][38][39].…”

Section: Catalytic Activity Of La 2 O 3 and Cuo Nps In Ap Nanocompositessupporting

confidence: 94%

Preparation and Application of La₂O₃ and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition

Pandas

Fazli

2018

Propellants Explo Pyrotec

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Nanoparticles (NPs) from lanthanum oxide (La 2 O 3 ) and copper oxide (CuO) with spherical morphology were synthesized through precursor calcinations of copper and lanthanum carbonate and then using a bioactive shell membrane of eggshell. X-ray diffraction (XRD) analysis and scanning electron microscopy (SEM) were used to evaluate particle size, chemical structure, purity and morphology of the synthesized La 2 O 3 and CuO NPs. The XRD outcomes established the creation of the targeted compounds, SEM images obviously displayed morphology of the synthesized La 2 O 3 and CuO as spherical NPs with average particle sizes of roughly 35 and 30 nm, correspondingly. The catalytic ef-fects of these NPs on the thermal decomposition behavior of ammonium perchlorate (AP) were tested using differential scanning calorimetry (DSC) in coupling with thermogravimetric analysis (TG). The results of these experiments showed that the addition of 5 % La 2 O 3 nanoparticles has an attractive catalytic effect on the thermal decomposition of the AP. Moreover, AP thermal decomposition was facilitated by the addition of 5 % CuO NPs. A more accurate comparison was made between the catalytic effects of synthesized NPs via computing their thermal decomposition activation energies (E), DS # , DH # and DG # using diverse non-isothermal approaches.Keywords: Lanthanum oxide · Copper oxide · Ammonium perchlorate (AP) · Nanocatalyst effect · Thermal decomposition kinetic · Thermodynamic parameters[a] H. M. Pandas, M. Fazli

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“…The first shows a 35.3 % decrease in mass and the second happened at a higher temperature with about 64.7 % mass loss. This trend is consistent to earlier reference [37][38][39].…”

Section: Catalytic Activity Of La 2 O 3 and Cuo Nps In Ap Nanocompositessupporting

confidence: 94%

Preparation and Application of La₂O₃ and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition

Pandas

Fazli

2018

Propellants Explo Pyrotec

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“…For example, the solid propellants containing nano-Al particles have been known to increase significantly the burning rate and lower the ignition time compared with those containing micron-Al particles . Nano-Al particles also have shown various changes in decomposition behavior of ammonium perchlorate (AP) − and to have catalytic effects on the high-temperature decomposition (HTD) of AP . On the contrary, addition of nano-Al also improves the thermal stability of AP in the low-temperature decomposition (LTD) by an increase in the activation energy .…”

Section: Introductionmentioning

confidence: 99%

Production of the Spherical Nano-Al/AP Composites by Drowning-Out/Agglomeration and Their Solid-Reaction Kinetics

Shim

Kim

et al. 2016

Ind. Eng. Chem. Res.

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Spherical nano-Al/AP composites were produced by a drowning-out/agglomeration (D/A) process and characterized as a function of the amount of bridging liquid, agitation rate, agitation time, and time interval. Experimental data showed that the amount of bridging liquid plays an important role in agglomeration because it affects directly the content of wetted particles leading to the coalescence between them. Agitation rate and agitation time were found to have optimal points above which the agglomerates begin to collapse. In particular, an increasing number of injection time intervals of bridging liquid turned out to promote further growth of agglomerates. Thermogravimetric curves showed that decomposition of AP could be well described by the Prout–Tompkins model and the geometrical contraction model at low- and high-temperature area, respectively. Furthermore, the nano-Al/AP composites by the D/A process clearly revealed that thermal stability of AP is enhanced and the decomposition rate is increased at high temperature.

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“…Many papers have been published concerning the thermal decomposition of neat HNIW [4][5][6] or AP [7][8][9][10]. However, few have addressed the thermal decomposition and reaction kinetics of the HNIW/AP mixture.…”

Section: Introductionmentioning

confidence: 99%

Thermal Decomposition Kinetics of Hexanitrohexaazaisowurtzitane/Ammonium Perchlorate

Zhu

Wang

Shan

et al. 2016

Cent. Eur. J. Energ. Mater.

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Abstract:The thermal decomposition kinetics of hexanitrohexaazaisowurtzitane/ ammonium perchlorate (HNIW/AP) have been investigated by thermogravimetrydifferential scanning calorimetry-mass spectrometry (TG-DSC-MS) simultaneous analysis. TG showed that there were three weight loss processes for the thermal decomposition of the HNIW/AP mixture. The first was ascribed mainly to the thermal decomposition of HNIW, while the second and third were assigned to that of AP. The presence of AP has little effect on the thermal decomposition process of the HNIW component. The apparent activation energy of the thermal decomposition of the HNIW component, calculated by the Kissinger method, was little changed compared to that of neat HNIW. The addition of HNIW to AP caused the onset and end temperatures of the thermal decomposition to be decreased and the decomposition process to be shortened. The high-temperature and lowtemperature decomposition processes of AP became blurred in the presence of HNIW, and this was supported by the MS results.

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Thermal behavior of ammonium perchlorate and metal powders of different grades

Cited by 42 publications

References 21 publications

Preparation and Application of La₂O₃ and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition

Preparation and Application of La₂O₃ and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition

Production of the Spherical Nano-Al/AP Composites by Drowning-Out/Agglomeration and Their Solid-Reaction Kinetics

Thermal Decomposition Kinetics of Hexanitrohexaazaisowurtzitane/Ammonium Perchlorate

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Thermal behavior of ammonium perchlorate and metal powders of different grades

Cited by 42 publications

References 21 publications

Preparation and Application of La2O3 and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition

Preparation and Application of La2O3 and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition

Production of the Spherical Nano-Al/AP Composites by Drowning-Out/Agglomeration and Their Solid-Reaction Kinetics

Thermal Decomposition Kinetics of Hexanitrohexaazaisowurtzitane/Ammonium Perchlorate

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Preparation and Application of La₂O₃ and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition

Preparation and Application of La₂O₃ and CuO Nano Particles as Catalysts for Ammonium Perchlorate Thermal Decomposition