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Download or read book Preliminary Development and Characterization of a TATB/HMX Plastic-bonded Explosive written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.:/5 (3 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John David Yeager
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (89 download)
Download or read book Microstructural Characterization of Simulated Plastic-bonded Explosives written by John David Yeager and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Microstructural Characterization of Plastic-bonded Explosives written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (684 download)
Download or read book Microscopical Examination of Plastic-bonded Explosives written by and published by . This book was released on 1997 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polarized Light Microscopy is a powerful technique for the identification of powdered explosives. The authors apply the technique here to the characterization in bulk of composite, plastic-bonded explosives, typically consisting of 95 w/o explosive particulate and 5 w/o polymeric binder. Mounting and polishing techniques are described, along with attendant issues of mount dyeing and some complications of cleaning very soft samples. The microstructures of PBX 9501 (based on cyclotetramethylene tetranitramine, or HMX), PBX 9502 (based on triaminotrinitrobenzene or TATB), and X-0535 (based on diaminotetrazine dioxide, or TZX) are compared and contrasted. Selected case studies are presented in which development of prominent structural characteristics, such as particle size and crack density, are tracked from the starting powders through formulation and pressing to serviceable, formed articles.
Author : United States. Energy Research and Development Administration
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ISBN 13 :
Total Pages : 852 pages
Book Rating : 4.3/5 (91 download)
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Energy Research and Development Administration. Technical Information Center
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ISBN 13 :
Total Pages : 1680 pages
Book Rating : 4.3/5 (129 download)
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 2626 pages
Book Rating : 4.3/5 (91 download)
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Customized Explosives Based on Plastic-bonded Mixtures of TATB and HMX. written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental data are presented for a series of TATB-HMX mixtures with Kel-F 800 binder. Both detonation properties and safety properties were evaluated. The addition of HMX to TATB makes possible a wide range in such properties as specific energy, detonation velocity and divergence, failure diameter and handling safety. This flexibility is not without penalty however. The sensitivity of TATB-HMX mixtures increased rapidly with increasing HMX content, even at relatively low levels of HMX and some trade-off must be made between detonation properties and safety.
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ISBN 13 :
Total Pages : 1378 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1983 with total page 1378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (227 download)
Download or read book Characterization of Plastic Bonded Explosives by Pyrolysis-Gas Chromatography and Multivariate Data Analysis, Development of the Procedure (Karakterisering Van Kunststof Gebonden Explosieven Met Pyrolyse-gaschromatografie en Multivariate Data Analyse. Ontwikkeling Van de Procedure). written by and published by . This book was released on 1994 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: A further development of the procedure based on pyrolysis-gas chromatography (Py-GC) for the characterization of plastic bonded explosives (PBX's) is described. After grinding, the PBX samples were pressed on a pyrolysis wire followed by Py-GC analysis. The peak areas obtained were normalized and submitted to multivariate data analysis. The use of principal component analysis (PCA) was tested on 5 samples which differed slightly in composition and age. The results were promising and showed that PCA is a powerful tool for the differentiation between PBX samples. The pressure by which the samples were pressed on the pyrolysis wire appeared to be an important parameter. This parameter was optimized together with the pyrolysis temperature and the amount of sample. The optimization experiment was carried out with 2 PBX samples which differed only in crosslink density. It turned out that it was difficult to find optima in the parameters resulting in a maximal difference between the 2 samples. The following settings of the parameters were selected: 5.2 tonnes, 75 mg and 610 C.
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ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (684 download)
Download or read book Characterization of HMX Particles in PBX 9501 written by and published by . This book was released on 1997 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The particle size distribution and morphology of HMX (cyclotetramethylene-tetranitramine) in the plastic-bonded explosive, PBX 9501 (95% HMX and 5% polymeric binder, by weight), are important to understanding the micromechanical behavior of this material. This paper shows that the size distribution of the {open_quotes}as-received{close_quotes} HMX powder, as measured by light scattering, is not preserved through the processing operations of formulation into molding powder and subsequent consolidation through hydrostatic pressing. Morphological features such as cracking and twinning are examined using reflected light microscopy. This technique helps confirm and interpret the results of the particle size analysis. These results suggest that use of the particle size distribution of the {open_quotes}as-received{close_quotes} powder could potentially yield significant errors in detailed simulations of formulated materials.
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ISBN 13 :
Total Pages : 964 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1981 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (16 download)
Download or read book An Analytic Tool to Investigate the Effect of Binder on the Sensitivity of HMX-Based Plastic Bonded Explosives in the Skid Test written by and published by . This book was released on 2004 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project will develop an analytical tool to calculate performance of HMX based PBXs in the skid test. The skid-test is used as a means to measure sensitivity for large charges in handling situations. Each series of skid tests requires dozens of drops of large billets. It is proposed that the reaction (or lack of one) of PBXs in the skid test is governed by the mechanical properties of the binder. If true, one might be able to develop an analytical tool to estimate skid test behavior for new PBX formulations. Others over the past 50 years have tried to develop similar models. This project will research and summarize the works of others and couple the work of 3 into an analytical tool that can be run on a PC to calculate drop height of HMX based PBXs. Detonation due to dropping a billet is argued to be a dynamic thermal event. To avoid detonation, the heat created due to friction at impact, must be conducted into the charge or the target faster than the chemical kinetics can create additional energy. The methodology will involve numerically solving the Frank-Kamenetskii equation in one dimension. The analytical problem needs to be bounded in terms of how much heat is introduced to the billet and for how long. Assuming an inelastic collision with no rebound, the billet will be in contact with the target for a short duration determined by the equations of motion. For the purposes of the calculations, it will be assumed that if a detonation is to occur, it will transpire within that time. The surface temperature will be raised according to the friction created using the equations of motion of dropping the billet on a rigid surface. The study will connect the works of Charles Anderson, Alan Randolph, Larry Hatler, Alfonse Popolato, and Charles Mader into a single PC based analytic tool. Anderson's equations of motion will be used to calculate the temperature rise upon impact, the time this temperature is maintained (contact time) will be obtained from the work of Hatler et. al., and the reactive temperature rise will be obtained from Mader's work. Finally, the assessment of when a detonation occurs will be derived from Bowden and Yoffe's thermal explosion theory (hot spot).
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ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (684 download)
Download or read book General Chemistry Technical Note No. 61--new Developments in Plastic Bonded Explosives written by and published by . This book was released on 1961 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two new explosives are under development at Lawrence Radiation Laboratory (LRL) which show considerable promise as replacements for PBX 9404 (and also PBX 9010). Three primary considerations have guided us in the development of these explosives. Compared to PBX 9404 we have sought a significant decrease it sensitivity, a substantial gain in mechanical properties and as little loss in energy and detonation velocity as possible. While testing is not complete on these materials and probably won't be for quite some time sufficient information is available to warrant a complete status report at this time. An index of the topics covered herein is: Formulations and Raw Materials; Molding Powder; Explosive Performance; Sensitivity; Thermal Stability; Compatibility; Mechanical Properties; Machinability; Pressability; and Comparison of the Two Materials.
Download or read book THE DEVELOPMENT OF PLASTIC-BONDED EXPLOSIVES. written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
