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Amorphous Boron Powder (ABP) is used as a fuel in air breathing propulsion systems due to its high gravimetric and volumetric heat value. ABP is sensitive to air and undergoes slow oxidation during storage and handling, leading to the formation of a boric acid layer on the particle surface. This paper describes an analytical method for the estimation of boric acid in ABP. In-house samples obtained from the pilot plant of this laboratory, as well as commercial samples, were assayed for their boric acid content. The study is substantiated by characterization of the ABP samples by SEM with EDX and FTIR. The ageing characteristics of in-house boron powder was also studied.
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Tom
Strony
387--398
Opis fizyczny
Bibliogr. 17 poz., fig.
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autor
autor
autor
autor
autor
autor
- Chemical Engineering & Pilot Plant Division, High Energy Materials Research Laboratory (HEMRL), Sutarwadi, Pune-411021, India, nandi.ak @hemrl.drdo.in
Bibliografia
- [1] King M.K., A Review of Studies of Boron Ignition and Combustion Phenomenon at Atlantic Research Corp. over the Past Decade, Proc. 2nd Int. Symp. Special Topics in Chemical Propulsion; Combustion of Boron-based Solid Propellants and Solid Fuels, March 4-6, 1991.
- [2] King M.K, Ignition of Combustion of Boron Particles and Clouds , J. Spacecraft and Rockets, 1982, 19(4), 294-312.
- [3] Markovskii L.Ya., Chemistry of Magnesiothermal Preparation of Boron, Electron Technol., 1970, 3, 95-102.
- [4] Julin H., Studied on Metallic Magnesium Thermal Reduction Method to Prepare Amorphous/Non-Crystallized Boron Powder, Min. Metall., 1996, 5(3), 66-71.
- [5] Narasimhan V.L., Soman T., Prasanth H., Sabne J.V., Final Technical Report: Process Development for the Manufacture of Amorphous Boron Powder and Its Scale up, High Energy Materials Research Laboratory (HEMRL), Sutarwadi, India, Report No. 9/03, 2003.
- [6] Mazza H., Sawyer D.L., Baier R.W., Process for Producing Amorphous Boron of High Purity, US 2866688, 1958.
- [7] Tilekar K.V., Gajbhiye V.P., Prasanth H., Soman T., Preparation of High Purity Amorphous Boron Powder, Def. Sci. J., 2005, 55, 471-475.
- [8] Glassman I., Williams F.A., Antaki P., A Physical and Chemical Interpretation of Boron Particle Combustion, 20th Symp. Combust.,The Combustion Institute, Univ. of Michigan, USA, Aug 17-21, 1984, 2057-2064.
- [9] Meinkohn D., The Ignition of Boron Particles, Combust. Flame, 1985, 100, 634-644.
- [10] Hsieh W.H., Peretz A., Huang I.T., Kuo K.K., Combustion Behavior of Boron Based BAMO/NMMO Fuel Rich Solid Propellants, J. Propulsion, 1991, 7, 497-504.
- [11] Nieder E., Chemical Passivation of Amorphous Powder, US 4637847, 1983.
- [12] Trowbridge J.C., Breazeale J.D., Coating of Boron Particles, US 4877649, 1989.
- [13] Liu T.K. , Effect of Boron Particle Surface Coating on the Combustion of Solid Propellants for Ducted Rockets, Propellants Explos. Pyrotech, 1991, 16, 156-166.
- [14] Shyu I.M., Combustion Characteristics of GAP-Coated Boron Particles and the Fuel Rich Solid Propellants, 25th Int. Annual Conference of ICT, Karlsruhe, June 28-July 3, 1994, 23-1 /13-4.
- [15] Shyu I.M., Liu T.K., Combustion Characteristics of GAP-Coated Boron Particles and the Fuel Rich Solid Propellants, Combust. Flame, 1995, 100, 634-644.
- [16] Asthana S.N., Prasanth H., Kulkarni M.A., Nandi A.K., Floora M., Aglawe S.C., Provisional Specification of Amorphous Boron Powder, High Energy Materials Research Laboratory (HEMRL), Pune, India Spec. No. HEMRL/CEPP/PS/354, March 2010.
- [17] Bassett J., Denney R.C., Jeffery G.H., Mendham J., Vogel’s Textbook of Quantitative Chemical Analysis, 4th ed., Longman Group Limited, England, 1978, p. 311.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT1-0043-0039