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Boron Type Delay linear temperature characteristics of the reaction conditions

Author: ZhuXuQiang
Tutor: ChengYi
School: Nanjing University of Technology and Engineering
Course: Military chemistry and pyrotechnics
Keywords: B/Pb3O4 Delay B / CuO Delay B/BaCrO4 Delay Response characteristics Differential thermal analysis Kinetic analysis
CLC: TJ450
Type: Master's thesis
Year: 2005
Downloads: 102
Quote: 2
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Abstract


The main subject under the conditions of linear heating boron type delay response characteristics were studied , the main research contents are: Boron delay drug reaction starting temperature , the heat of reaction , the reaction classes , pre-ignition reactions and kinetic analysis of . Research Methods for the boron type delay differential thermal analysis , comparative analysis of results of the analysis , the final results of the reaction of boron type delay characteristics . The main conclusions are : (1) B / Pb 3 O 4 and B / BaCrO 4 Extended drug reaction starting temperature at 415 ℃ , respectively, and about 780 ℃ , no relationship with the ratio ; boron content of 3 ~ 5%, B / CuO delay reaction starting temperature at about 713 ℃ , the boron content of 7 to 10%, at about 662 ℃ . ( 2 ) Boron Type Delay heat of reaction with the boron content increases. (3) B / Pb 3 O 4 and B / BaCrO 4 Delay has two different reactions, and that the two reactions are superimposed on each other . When the boron content is low or when the heating rate is small , Boron Delay first reaction more significant , when the boron content is high or the heating rate is large , it is the extension of Boron second drug reactions more significant. When the boron content is high , B / CuO extension reaction is catalyzed by a reaction of the drug changes to the superposition of two reactions . (4) B / Pb 3 O 4 and B / CuO Delay response is a solid - solid phase reaction or Mclain think of pre-ignition reactions. (5) B / CuO and B / BaCrO 4 activation delay the drug with boron content increases.

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CLC: > Industrial Technology > Arms industry > Ammunition, fuses, pyrotechnics > Pyrotechnics > General issues
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