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International Journal of Energetic Materials and Chemical Propulsion

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ISSN Druckformat: 2150-766X

ISSN Online: 2150-7678

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.7 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00016 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.18 SJR: 0.313 SNIP: 0.6 CiteScore™:: 1.6 H-Index: 16

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OPTIMIZATION OF THE MECHANICAL AND COMBUSTION PROPERTIES OF A NEW GREEN AND INSENSITIVE GUN PROPELLANT USING DESIGN OF EXPERIMENTS

Volumen 10, Ausgabe 5, 2011, pp. 437-453
DOI: 10.1615/IntJEnergeticMaterialsChemProp.2012005315
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ABSTRAKT

A Mixture DOE plan was designed to optimize the formulation of a new low-vulnerability ammunition (LOVA) propellant by maximizing both its mechanical and combustion properties when compared to a reference (M1-0.025) propellant. The main ingredients of the LOVA were octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), nitrocellulose (NC), cellulose acetate butyrate (CAB), acetyl triethyl citrate (ATEC), and a stabilizer. The low-high levels of each varied parameter were 5.7−14% for NC, 3.7−12% for CAB, and 8.3−10.3% for ATEC, while the HMX was fixed at 72%. The mechanical properties (Young's modulus, YM, expressed as relative percentage to M1 modulus) of the propellant grains were measured using a drop-weight test (DWT). The regression model for this parameter consisted of three main effects and one double interaction. The optimal region for the YM corresponded to a composition as follows: NC ≥ 14.0%, CAB = 3.7−5.7%, and ATEC = 8.3−10.3%. The combustion properties (relative quickness, RQ, and burning rate, BR), expressed as percentage of the M1 reference propellant, were measured using a closed vessel. The optimal composition with regard to RQ and BR was located in the region NC = 10.0−13.0%, CAB = 3.7−8.0%, and ATEC = 8.3−10.3%. On the basis of the analysis of the two surface responses, there is a region where the mechanical properties are good (~81%) and the RQ is very close to the targeted value (103%). Accordingly, a new optimized propellant was formulated and showed a measured Young's modulus of 89% and an RQ of 111%, both relative to the properties of the M1-0.025 propellant.

REFERENZIERT VON
  1. Szala Mateusz, Development trends in artillery ammunition propellants, Materiały Wysokoenergetyczne / High Energy Materials, 2020. Crossref

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