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2019 Vol.24, Issue 1 Preview Page

Research Article

Aging Effect Prediction of Energetic Materials Using Isoconversional Technique

등전환 방법을 이용한 고에너지 물질의 노화 효과 예측

Yoocheon Kim1
,
Jai-ick Yoh1*
김 유천1
,
여 재익1*
1Department of Mechanical and Aerospace Engineering, Seoul National University, Korea
1서울대학교 기계항공공학부
* Corresponding Author
30 March 2019. pp. 7-14
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Abstract

The decomposition process of typical energetic material (EM) may consist of thousands of individual reactions as well as many intermediate species. However, one-step decomposition kinetics is routinely utilized for prediction of the shelf life of EMs. The inclusion of detailed multi-step chemistry in the kinetic mechanism can improve the reliability of the lifetime prediction. This study proposes a novel procedure for lifetime prediction of EMs, which adopts isoconversional kinetics to represent the decomposition reaction scheme. The pertinent EMs considered in the study include 97.5% cyclotrimethylene-trnitramine (RDX), 95% cyclotetramethylene-tetranitramine (HMX), and boron potassium nitrate (BPN). Differential Scanning Calorimetry (DSC) was utilized for extracting the said isoconversional kinetics complemented by experimental validation of the proposed chemical kinetics through a comparison of the numerical lifetime predictions with accelerated aging experiment measurements.

Keywords
Isoconversional kinetics
Differential Scanning Calorimetry
Energetic materials
Lifetime
Aging-effect
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Information
  • Publisher :The Korean Society Combustion
  • Publisher(Ko) :한국연소학회
  • Journal Title :Journal of The Korean Society Combustion
  • Journal Title(Ko) :한국연소학회지
  • Volume : 24
  • No :1
  • Pages :7-14
  • Received Date : 2018-08-01
  • Revised Date : 2018-09-04
  • Accepted Date : 2018-10-19
  • DOI :https://doi.org/10.15231/jksc.2019.24.1.007
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