Storage Life of an Aluminised HE Composition .

  • R. Narang Explosives Research & Development Laboratory, Pune
  • S. R. Nayak Explosives Research & Development Laboratory, Pune
  • U. R. Nair Explosives Research & Development Laboratory, Pune
  • J. S. Gharia Explosives Research & Development Laboratory, Pune
Keywords: High explosive compositions, Thermal stability, Storage life assessment

Abstract

Most high explosive compositions are organic in nature and they tend to undergo slow decomposition during storage under different environmental conditions. The decomposition degrade the molecular stability of the explosive, thereby resulting in reduced performance and service life. The knowledge of decomposition behaviour of the explosive mass determines the storage life of the composition. Hence, change in the chemical stability, sensitivity, mechanical strength and performance are of utmost importance in the prediction of storage life of explosive/ammunitions systems. This paper presents the results on the rate of gas evolution, change in sensitivity, and thermal stability and weight loss of high explosive compositions, viz., Dentex and TNT when exposed to elevated temperature. Based on the collected data, a tentative storage life for the aluminised (Dentex) composition has been computed to be 15 years. The data has been compared with TNT, a standard explosive for assessing the storage life.

Author Biographies

R. Narang, Explosives Research & Development Laboratory, Pune
Mr. R Narang obtanied BE  (Chemical) from Punjab University, Chindigarh in 1985 and joined ,·DRDO in 1986. Since then he is engaged with the development, process and evaluation. of high explosives.
S. R. Nayak, Explosives Research & Development Laboratory, Pune
Mr SR Nayak obtained MSc (Physical Chemistry) from Poona University in 1984 and joined DRDO in 1987. He has been engaged with the development and evaluation of high explosives.
U. R. Nair, Explosives Research & Development Laboratory, Pune
Mrs UR Nair obtained MSc (Organic Chemistry) in 1982 and joined DRDO in 1984. She is working in the field of high explosives
J. S. Gharia, Explosives Research & Development Laboratory, Pune
Mr JS Gharia obtained MSc in Organic Chemistry and served as Deputy Controller of Civil Explosives. He joined DRDO in 1968 and since then he is engaged in the field of high explosives He underwent an advance course of warhead technology III MBB, West Germany dUring 1981 He has a number of papers to his credit and earned awards for his outstanding contributions.
Published
2013-01-01
How to Cite
NarangR., NayakS., NairU., & GhariaJ. (2013). Storage Life of an Aluminised HE Composition . Defence Science Journal, 43(3), 263-267. https://doi.org/10.14429/dsj.43.4231
Section
Materials Science & Metallurgy