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Is ammonium perchlorate in composite solid propellant under strain?

✍ Scribed by V. R. Pai Verneker; K. Kishore; G. Prasad

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
414 KB
Volume
3
Category
Article
ISSN
0721-3115

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✦ Synopsis

Abstract

Thermal decomposition of ammonium perchlorate‐polystyrene propellant as a function of oxidizer loading has been found to behave in a fashion analogous to the thermal decomposition of ammonium perchlorate as a function of precompression pressure. It has been argued that the above behaviour of the propellant is due to the strain caused by the binder film on ammonium perchlorate contained in the propellant matrix. The presence of strain has been demonstrated independently by x‐ray diffraction peak and infrared peak broadening and strain energy measurements.

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✍ C.W. Fong; R.F. Smith 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 722 KB

The burning rates of series of bi-and trimodal AP-HTPB propellants have been incorporated into an empirical statistical model which describes a hypothetical pentamodal polydisperse AP pseudopropellant. This pseudopropellant is the linear summation of five unimodal polydisperse AP pseudopropellants.