Studies on Burn Rate of Polyvinylnitrate and Effect of Modifiers | Zendy

Mishra S. C. | Zendy; Durgapal U. C. | Zendy; Pant Jyotsna | Zendy; Dutta P. K. | Zendy

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Studies on Burn Rate of Polyvinylnitrate and Effect of Modifiers

Author(s) -

Mishra S. C.,

Durgapal U. C.,

Pant Jyotsna,

Dutta P. K.

Publication year - 1995

Publication title -

propellants, explosives, pyrotechnics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.56

H-Index - 65

eISSN - 1521-4087

pISSN - 0721-3115

DOI - 10.1002/prep.19950200306

Subject(s) - lead (geology) , stearate , gallate , chemistry , materials science , nuclear chemistry , organic chemistry , geology , geomorphology

Burn rates of polyvinylnitrate (PVN) without and with addition of 1% by weight of ballistic modifiers, viz. carbon black, lead stearate, lead gallate and lead salicylate, have been determined at different pressures ranging form 10 kg/cm 2 to 85 kg/cm 2 . The burn rate data show deviations from the standard ballistic equations r = a + bp and r = ap n . Nearly plateau burning effect is shown, at lower pressure range, by gelatinized PVN, PVN + 1% lead stearate and PVN + 1% lead gallate, whereas mesa burning is shown by PVN + 1% lead gallate (at p = 40 – 50 kg/cm 2 ) and PVN + 1% lead stearate (at p = 70 to 74 kg/cm 2 ).

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