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2018, vol. 68, iss. 1, pp. 40-49
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Possibility of aluminium/magnesium exchange in composite rocket propellants
Mogućnost zamene aluminijuma magnezijumom u kompozitnim raketnim gorivima
Abstract
Composite solid propellants based on ammonium perchlorate/hydroxyterminated polybutadiene/isophorone dyisocyanate including two metal components: aluminium and magnesium with different contents have been represented in this paper. The mass of metal powder has increased in relation to oxidant, with constant bimodal fraction ratio and total solid phase. Parameters of burning rate laws, apparent viscosity, uniaxial mechanical characteristic, density and energetic values have been determined and compared in accordance to the propellants of the smoke reduction research.
Sažetak
U radu su prikazana istraživanja kompozitnih raketnih goriva na bazi amonijum perhlorata, hidroksiterminiranog polibutadiena i izoforon diizocijanata koji sadrže jednu od dve metalne komponente, aluminijum ili magnezijum, različitih sadržaja u gorivu. Masa metalnog praha je povećavana na račun oksidatora, konstantnog bimodalnog sastava, uz konstantan udeo čvrste faze. Određivani su parametri zakona brzine sagorevanja, vrednosti prividnog viskoziteta, jednoosne mehaničke karakteristike, gustina i energetske vrednosti i međusobno poređene sa rezultatima istraživanja dimljivih sastava.
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