Pbxn 109 composition booklet

In aluminized composites such as pbxn 109, the binder, rdx and aluminum phases have been studied separately. Deflagration behavior of pbxn109 and composition b at high pressures and temperatures. Three explosives were tested and the results presented. The polymer bonded explosive pbxn109 has a composition of 65% rdx, 21% aluminum, and 14% htpb binder plasticized with doa. Evaluation of australian rdx in pbxn109 semantic scholar. Composition b, pbxn 9, or pbxn 109, that are used as the final charge in explosive.

Pdf preparation and characterization of pbxn109eb as a new. Thermal degradation of pbxn109 during slow cookoff. Results are available for the first two compositions and are in progress for the composition. Comparisons made with predictions for octol 7525 and pbxn 110. The challenge of nonideal detonation hal archive ouverte. A new imi systems less sensitive brisant explosive composition. To estimate the response of pbxn109 to cookoff and shock aggression tests were conducted in laboratoryscale equipment, viz. Alloy 600 is a nickelchromiumiron, solid solution strengthened alloy used for applications that require corrosion and high temperature resistance. Anice thigpen, a career biochemist, fell in love with opera and set out to compose a new opera about the biblical story of lots wife. Youll see stepbystep videos, technique and project animation, bonus cutting diagrams, and a lot more.

The polymer bonded explosive pbxn 109 has a composition of 65% rdx, 21% aluminum, and 14% htpb binder plasticized with doa. Stud on the initiation capacities of two booster pellets 263 in contact with the steel witness plate is directly initiated by the booster pellet. Pbxn109 non rsrdx pbxn109 rsrdx pbxih7 pax21 pbxn110 calculated threshold velocities slightly below experimental results but very good estimation as it is only based on lsgt shock sensitivity benefit of pbxn109 with reduced sensitivity rdx other conventional rdx. This paper discusses the role that aluminum particle size has on explosives blast performance.

High explosives in stockpile surveillance indicate constancy pdf. En 1008822005 elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. High performance polymerbonded explosive containing polynimmo for metal accelerating applications ron hollands and virgil fung. Evaluation of an alternative grade of cxm7 for use in. Tests were performed using a small sealed chamber and an openended shock tube. Noreliablescientificevidencetosupportuse sideeffects. When jassm joint airtosurface standoff missile a weapon under joint development by the air force and navy, goes into production, its warhead will contain a new explosive formulation developed at the air force research laboratory munitions directorate, ordnance division, energetic materials branch. Study university of alberta biology 108 flashcards and notes.

Alcoolemie volant composition penale casier judiciaire. Environmental impact must consider both the immediate and long term effects, as well as the sources, pathways, and receptors. This shall consist of a sample from the top and a sample from the bottom of the. Study on the initiation capacities of two booster pellets. The mechanisms of initiation and propagation of a hot spot in nonideal explosives with aluminum additives are poorly understood due to greater complexity introduced by the different thermal and mechanical behavior of the components. We present available data for these properties for two hmxbased formulationslx04 and pbx9501, and two rdxbased formulations composition b and pbxn 109. We draw upon separately published data on the thermal explosion violence with these materials to compare the material properties with the observed violence. Pbxn 109 gap test studies for different rdx fills without and with aging. The depth of the dent represents the initiation capacity of the booster pellet.

The blu110ab is a 1,000 lb general purpose thermally protected bomb that is loaded with plastic bonded explosive pbxn 109 to enhance its insensitive munitions performance. Pbxn 110, type ii is the preferred composition for general use. Navy and department of energy doe to validate computational models. Mildtl82901 explosive, plasticbonded, cast pbxn 110 this specification covers the requirements for two types of cast pbxn 110. The aim was to build a warhead with enhanced blast and enhanced fragmentation, and they carried out a series of tests see photo with explosives from a number of different suppliers. Explosive, plasticbonded, cast pbxn 109 to find similar documents by federal supply class code. We draw upon separatelypublished data on the thermal explosion violence with these materials to compare the material properties with the observed violence. Shortly after the cna report on insensitive munitions was issued, the navy bomb.

We have the most extensive data on deflagration behavior of these four formulations, and we discuss the. If you are older than 60 years, the new guideline is to treat for a. Pbxn 101 was castable, but it was sensitive to shock, impact and heat. The composition chosen to support this study is the pbxn 109, well known for its low shock sensitivity. The simulated arrival times were compared with the measured data at the fibreoptic array positions. Samples of pbxn 109 were exposed to predetermined doses of uv.

Meeting all but the sympathetic detonation requirement was a substantial improvement over the tntbased explosive use in these weapons. Download citation deflagration behavior of pbxn109 and composition b at high pressures and temperatures we report deflagration rate measurements on pbxn 109 rdwavhtpb and composition. This paper will compare and contrast detonation in ideal and in highly nonideal explosives. Biology 108 at university of alberta online flashcards. Troubleshooting disabled extensions using the 3cx server. Description the 50pair mount with cover is sold as an assembly and is typically used in small crossconnect installations where security andor dust protection is required. Deflagration behavior of pbxn109 and composition b at. The procurement is for expenditure replacement and to maintain war reserve. Service temperatures for alloy 600 can be from cryogenic to 2000f. Pbxn 109 is a less sensitive explosive filler when compared to h6. Mildtl82901 explosive, plasticbonded, cast pbxn 110 this specification covers the requirements for two types of cast pbxn 110 plasticbonded explosive \see 6. Mechanical behavior of pbxw128 and pbxn110 under uniaxial and multiaxial compression at di erent strain rates and temperatures ozgen.

Manser this paper was prepared for submittal to the life cycles of energetic materials meeting in del mar, ca december 1116,1994. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Effect of metal particle size on blast performance of rdx. Pbxn109 is significantly less reactive than rdx or composition b, but still more reactive than the hmx formulations or tnt.

Pbxn 110 is a highenergy explosive intended for use. Mil mildtl82901a explosive, plasticbonded, cast pbxn 110 superseding mile82901 standard by military specifications and standards, 052002. Navy is performing benchmark tests for the slow cookoff of pbxn109 in a sealed tube. Students in grades 912 are invited to apply with a single composition in any genre or.

Miller naval aviation science and technology office, research and technology department, code 4t4330d. Ideal explosives, represented here by a tatb binder system, have relatively flat. For materials with a low pressure dependence of highpressure deflagration, such as pbxn 109, the reaction rate is accelerated at a relatively low rate. Quality assurance is dedicated to supporting our warfighters by assuring that mcaap provides them with the highest quality ammunition and ammunition related services. The procurement of the blu 109 is to improve the war reserve posture. The convention intends to compare the destructiveness of an event with. The al particle size examined was 20 microns and 150 nanometers in a pressed pbxn 109 analog composition. The properties determined across a wide spectrum of tests form the. A polymerbonded explosive, also called pbx or plasticbonded explosive, is an explosive. Innovations developed by nasa and its industry partners in a wide array of fields. The ton of tnt is a unit of energy defined by that convention to be 4. The castable pbx main charges of the underwater weapons were having a few characteristics of the propellants used in the rocket motors. Table of contents this symbol lets you know theres more information here at. Some invaluable things i took from the process of writing composition 1 include organizational structure, grammar, and transitions between paragraphs.

Download citation deflagration behavior of pbxn 109 and composition b at high pressures and temperatures we report deflagration rate measurements on pbxn 109 rdwavhtpb and composition b. In 2003, liu and ellis performed taylor tests on pbx 9501 up to speeds of 115 ms, capturing impact images using highspeed photography 2. Hmx compositions with teflonbased binders were developed in 1960s and 1970s. Modelling of warhead response to projectile impact with. Mechanical behavior of pbxw128 and pbxn110 under uniaxial. Ale3d simulations are presented for the thermal explosion of pbxn 109 rdx, ai, htpb, doa in support of an effort by the u. Delivering science and technology to protect our nation and promote world stability.

Taylor impact tests and simulations of plasticbonded explosives. Cis 110 composition and communication i composition and communication i is the introductory course in a twocourse sequence designed to engage students in composing and communicating ideas using speech, writing, and visuals. Blu111b mk 82 casing filled with pbxn 109 instead of composition h6. This was done with the llnl high pressure strand burner, in which embedded wires are used to record the timeofarrival of the burn front in the cylindrical sample as a function of pressure. Navy is performing benchmark tests for the slow cookoff of pbxn 109 in a sealed tube.

Mildtl82901 explosive, plasticbonded, cast pbxn110 this specification covers the requirements for two types of cast pbxn110 plasticbonded explosive \see 6. The goal was to discover the threshold velocity for the initiation of the explosive. Links schiff hardin pro practice lectures the law and business of architecture posts. Performance modelling 2 pbxn 110 octol 7525 b u t y l n e n a g a p a. Pbxn 109 energetic material composition wt % unclassified unclassified torq nseal plug torq nseal anchor. Properties of explosives and explosive composition. Characteristics of cast pbx with aluminium pyrobin. The result of this testing showed pbxn109 to react relatively mildly during cookoff and to be moderately sensitive to shock, again, in keeping with published data. The focus of that work was on the explosive pbxn 109. We report deflagration rate measurements on pbxn109 rdwavhtpb and composition b rxdttnthrvax at pressures from 1,500100,000 psi 10700 mpa. Sensitive evolution of insensitive munitions unbiased. View notes nutrition 109 notes 3 from ntr 109 at suny buffalo state college.

Application of the alloy is useful in the chemical, pulp and paper, aerospace and heat treating industries to name a few. We report deflagration rate measurements on pbxn 109 rdwavhtpb and composition b rxdttnthrvax at pressures from 1,500100,000 psi 10700 mpa. We are proud of our dedicated team and their commitment to our great military. In the new formulation named pbxn109eb, inert htpb. Equivalent weight factors for four plastic bonded explosives. Tnt equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion. Built up with assorted componentry, the bombs can also be employed as joint direct attack munitions, gbu1012 laser guided bombs, and blu 109 penetrator. General purpose bombs are used to defeat nonhard, hardened and deeply buried targets, bunkers, aircraft shelters, reinforced concrete structures and various armored targets. Announcements, composition, contests noteflight is the vehicle for a brandnew opera robin mcclellan may 29, 2017. The complete electronic version of this manual, as well as the two notes audio engineering soft ware and hardware products, are subject to updates. The blu111b also is the warhead of the a1 version of the joint standoff weapon. Shock sensitivity of pbxn109 when containing different. Pbxn109 loaded bombs satisfied all of the navy im requirements except sympathetic detonation in the stowage configuration. High performance polymerbonded explosive containing.

The peak pressure generated by pbxw126 is found to be 1. These are analysed to provide an understanding of the throughlife impact of choosing one composition over another. Composition a3 is a waxcoated, granular explosive, consisting of. Ale3d simulations are presented for the thermal explosion of pbxn109 rdx, ai, htpb, doa in support of an effort by the u. Noteflight is proud to partner with the american composers forum to support their nextnotes high school composition awards. A polymerbonded explosive, also called pbx or plasticbonded explosive, is an explosive material in which explosive powder is bound together in a matrix using small quantities typically 510% by weight of a synthetic polymer. Ebad has designed, developed and produced a wide range of explosive. Deflagration behavior of pbxn109 and composition b at high. The more thermallysensitive rdx apparently dominates igni tion kinetics. Comparing to regular pbxn 109, the pbxn 109 like composition containing fox7. Sandusky naval surface warfare center, indian head division indian head, md 206405035 approved for public release. You may have to rewrite your information to reflect. In this scenario, we are going to show you how to use the 3cx server activity log to identify why a call to another extension is failing. Pbxn 109 loaded bombs satisfied all of the navy im requirements except sympathetic detonation in the stowage configuration.

Pdf a new formulation of plastic bonded explosive pbx using energetic. Mesoscopic investigations of the deformation and initiation mechanisms of a hmxbased pressed composition. Typical equivalent analyses of binder components used to establish nominal composition are as follows. For example, pbxn 110, composed of 88% hmx and 12% polymeric binder, is designed to fragment a warheads metal case and drive the fragments at high velocity, whereas pbxn109, composed of. While it was not perfect, i believe that i learned so much from the drafting process of composition 1. Cds definitions csi divisions current masterformat divisions contract days by the numbers how to memorize. Impact of reach, itar and other regulations on energetic. Composition a is used by the military in land mines and 2. Finally, the shock sensitivity curve that summarizes the critical combination of peak shock pressure p and the derived parameter p 2 t was described for the pbxn. The polymer bonded explosive, pbxn 109, is manufactured by australian defence industries limited adi for use as the explosive fill in the penguin antiship missile warhead in support of project. Composition ii assignment instructions argument essay guidelines utilizing information from your research report, construct a reasonable argument of 8 to 10 pages in length, including the works cited, doublespaced. Pbxn 109 has a detonation velocity of about 7600 ms. Booster explosives are compounds or formulations such as composition ch6 or pbxn 7 that are used to transmit and enhance the detonation reaction of the primary explosive in.

Effect of metal particle size on blast performance of rdxbased explosives jeffery j. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Bc109 series low power bipolar transistors page 3 080406 v1. These composition notebooks from maruman are thin, sturdy, and perfect for coordinating different subjects. These differences may reflect inconsistencies between the pbxn 109 samples in terms of composition, e. This material was offered to adi for use in future pbxn 109 work and a 15 kg sample was provided for evaluation. The aluminium powder in the pbxn109 formulation was described as ata x81. Experimental support of a slow cookoff model validation effort a. Pbxn109 is the explosive fill for a number of munitions including the penguin asm.

Pbxs are normally used for explosive materials that are not easily melted into a casting, or are otherwise difficult to form. Experimental support of a slow cookoff model validation effort. I have summarized them pretty easily to zip through them. Pbxn 101 was castable, but it was sensitive to shock, impact, and heat. Pbxn106, rdx 75%, polyethylene glycolbdnpaf binder, naval shells. Mildtl82886 explosive, plasticbonded, cast pbxn109.