Results 171 to 180 of about 4,253 (212)

Is <i>Shewanella oncorhynchi</i> a fish health threat? Possible genetic background of pathogenicity and common carp challenge. [PDF]

J Vet Res
Paździor E, Pękala-Safińska A, Bomba A, Wasyl D.   +3 more
europepmc   +1 more source

Modeling fatigue damage evolution in CMDB propellant based on dynamic modulus. [PDF]

Sci Rep
Yao L, Jinsheng X, Changsheng Z, Xiong C, Xiumin Y.   +4 more
europepmc   +1 more source

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HNF/HTPB BASED COMPOSITE PROPELLANTS

International Journal of Energetic Materials and Chemical Propulsion, 2002
In a search for new storable high performance propellants for the European Space Agency (ESA), the solid oxidiser Hydrazinium Nitroformate (HNF) was identified as a very promising ingredient for a new storable composite propellant. Two distinct advantages of HNF based propellants over presently used Ammonium Perchlorate (AP) based propellants rvere the
Heijden, A.E.D.M. van der, Keizers, H.L.J., Veltmans, W.H.M.   +2 more
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Rheokinetic modeling of HTPB–TDI and HTPB–DOA–TDI systems

Journal of Applied Polymer Science, 2003
AbstractA study of the effect of temperature on a mixture of polymer and curative in the processing of rocket propellants is reported. Experimental viscosity of a hydroxyl‐terminated polybutadiene–toluene diisocyanate (HTPB–TDI) system was measured using a Brookfield viscometer model DV III.
B. M. Bandgar, K. C. Sharma, T. Mukundan, V. N. Krishnamurthy   +3 more
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HTPB Propellant Aging

Journal of Spacecraft and Rockets, 1981
Three HTPB propellants, varying in solids loading from 88% to 91%, were selected and developed for evaluation studies including aging. The 88%-solids propellant was verified to fit a previously developed aging model. The aging model has been further successfully applied to the measured mechanical-property aging data for the higher-solids propellants ...
A.G. Christiansen, L.H. Layton, R.L. Carpenter   +2 more
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Synthesis of 5-(dimethylsilyl)pentylalkylferrocene-grafted HTPB (alkylFc-HTPB) via platinum-catalyzed hydrosilylation

Journal of the Iranian Chemical Society, 2017
In this work, at first alkylferrocene derivatives were synthesized according to procedure described in the literature. (5-Chloropentanoyl)ferrocene derivatives were prepared by Friedel–Crafts acylation of ferrocene and alkylferrocene derivatives with 5-chloropentanoyl chloride in dichloromethane, and AlCl3 was used as catalyst.
Reza Teimuri-mofrad, Kazem D. Safa, Saiedeh Abedinpour, Keshvar Rahimpour   +3 more
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Effects of HTPB with Different Molecular Weight on Mechanical Properties of HTPB/TDI System

Advanced Materials Research, 2013
t is found that the molecular weight of Hydroxy-terminated polybutadiene (HTPB) influences curing behaviors of HTPB/2,4-toluene diisocyanate (TDI) system and the mechanical properties of PBXs. Effects of the molecular weight of HTPB on the viscose viscosity,the cure time, and mechanical properties of polymer were studied by brookfield viscometer ...
Chun Yan Chen, Li Long Gao, Xiao Feng Wang   +2 more
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Thermal decomposition of HTPB/AP and HTPB/HMX mixtures with low content of oxidizer

Journal of Thermal Analysis and Calorimetry, 2014
In this paper, hydroxyl-terminated polybutadiene (HTPB)/ammonium perchlorate (AP) and HTPB/cyclotetramethylene tetranitramine (HMX) mixtures with low content of oxidizer were prepared, and the thermal decomposition process of these mixtures was investigated with TG-FTIR and Raman spectrum.
Ying-hong Wang, Lin-lin Liu, Lian-yi Xiao, Ze-xu Wang   +3 more
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Structure‐property relationship of HTPB‐based propellants. I. Effect of hydroxyl value of HTPB resin

Journal of Applied Polymer Science, 1993
AbstractComposite propellants based on hydroxyl‐terminated polybutadience (HTPB) resin are the most common contemporary solid propellants for launch vehicle and missile applications. A series of HTPB resins, manufactured by free‐radical polymerisation using a peroxide initiator, with varying molecular weights and hydroxyl values, was used in propellant
R. Manjari, V. C. Joseph, L. P. Pandureng, T. Sriram   +3 more
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