... rays is used to study acceleration and higher order discontinuities in nonlinear simple elastic materials. No special material symmetry is assumed ...
DTIC Science & Technology
... Title : Accelerating Utilization of New Materials. Descriptive Note : Final rept. ... The advantages to be derived from new materials are documented. ...
AD-A 247 769 k4 49c16(- 0 ACCELERATED DRYING OF WETTED MATERIALS ... evidence for accelerated drying of wetted materials emanating ...
Page 1. 0 Acceleration Waves in Elasti3-Plastic Materials tM. ... Abstract. -Acceleration waves in elastic-plastic materials are studied in ...
... ADD422981. Title : On the Use of Acceleration Waves to Characterize the Dynamic Response of Nonlinear Viscoelastic Materials,. ...
... Title : A TECHNIQUE FOR THE CALCULATION OF ACCELERATION WAVES IN NONLINEAR VISCOELASTIC MATERIALS. ...
Long time mechanical and thermal stability of polymeric materials predicted from accelerated testing
NASA Technical Reports Server (NTRS)
... Accession Number : ADP023824. Title : Accelerated Modeling and New Ferroelectric Materials for Naval SONAR. Descriptive ...
... Center for Materials Design (CCMD), an entity coupled with Ohio State University's (OSU) Center for the Accelerated Maturation of Materials (CAMM ...
Page 1. Accelerated Insertion of Materials � Manufacturing and Producibility of Hat Stiffened Structure ... AIM-C Producibility Heuristics ...
... the service life of two ... data obtained at high temperatures and ... MATERIALS), DEGRADATION, ACCELERATED TESTING, HUMIDITY, REACTION ...
... Descriptors : *AGING(MATERIALS), *SEMICONDUCTOR DEVICES, *ACCELERATED TESTING, LIFE EXPECTANCY(SERVICE LIFE), COST ...
... ON ONE-DIMENSIONAL ACCELERATION WAVES IN COPOSITE MATERIALS MODELEI AS INTERPENETTING SOLID CONTINUA by ...
... Page 2. CATHODIC DELAMINATION ACCELERATED LIFE TEST METHOD ... a 1:est for cathodic delamination of such materials in water. ...
... Title : A Comparison of Accelerated and Natural SAE Weathering Tests for Exterior Trim Materials Durability, Using a Range of Automotive Coatings ...
This bibliographic study has been made from the available documents on the nowadays development of the accelerator breeder concept, aimed to fissile material production. This note describes briefly the linear accelerator principles and the mechanisms exis...
National Technical Information Service (NTIS)
... This is mainly due to absorption of moisture from humid air by the matrix material. Composite materials are extensively used by the RAAF for both ...
The objective of the Accelerated Insertion of Materials - Composites (AIM-C) program is to provide concepts, and approach and tools that can accelerate the insertion of composite materials into DoD systems. It will evaluate the historical roadblocks to ef...
The objective of the Accelerated Insertion of Materials - Composites (AIM-C) is to provide concepts, an approach, and tools that can accelerate the insertion of composite materials into DoD products. AIM-C will accomplish this in three ways: (1) Methodolo...
This document contains briefing charts on the Accelerated Insertion of Materials - Composites (AIM-C) program. The objective of the AIM-C program is to provide concepts, and approach and tools that can accelerate the insertion of composite materials into ...
The two-fold objective of this study was to determine the effect of accelerations on material properties and to develop procedures for measuring these properties. A special centrifuge testing device was designed, constructed and calibrated for this study....
Accelerated wet mercury vapor erosion testing of candidate SNAP-8 turbine rotor and nozzle materials
... Accession Number : ADA511881. Title : Accelerated Insertion of Materials - Composites (AIM-C). Software Component Delivery Requirements. ...
The results of calculating the effect of spread of some static and dynamic characteristics of 50 NP permalloy, of which the main accelerating elements of the linear induction accelerator are made, are described briefly. When making accelerating sections o...
This patent describes a detonator assembly for initiating insensitive explosives or energetic materials. In the improvement described here the detonator assembly comprises: railgun accelerating means of a size sufficient to be used as a detonator for insensitive explosives or energetic materials in an amount of about 100 mg of ...
Energy Citations Database
Material properties are vital for the field of accelerator R&D. Euclid Techlabs in collaboration with the Argonne Wakefield Accelerator facility team has investigated accelerator applications of metamaterials, photonic band gap structures, nonlinear, paramagnetic and ferroelectric ...
NASA Astrophysics Data System (ADS)
This report discusses different design concepts for particle beam accelerators. It demonstrates that with the use of high temperature superconducting materials, a more compact, lighter, and more robust accelerator design can be realized for the space base...
The problem of reflection and deflection of a wave of acceleration on the borderline of two nonlinear elastic materials is considered. It is proven that the acceleration wave can be transmitted through a characteristic surface. Based on the concept of ret...
This document is a compilation of material collected as the results of a workshop, Applications of Accelerators, held at the Stanford Linear Accelerator Center, 1--2 December 1993. The material collected here has been edited for style and to minimize dupl...
The modern charged particle accelerator has found application in a wide range of scientific research, industrial, medical, and defense fields. Researchers began to use permanent-magnet materials in particle accelerators soon after the invention of the alt...
The main ion beams acceleration facilities and research fields of the Institute of Modern Physics (IMP) are briefly introduced. Some of the experimental instruments, typical works and the obtained results on the materials research with swift heavy ions at the IMP accelerators are presented.
Because accelerators, like reactors, can be used to produce special nuclear material, their key components must be controlled. This work identifies the key components of linear accelerators (LINACs) that are critical in the export control regime. The design of LINACs is well documented and easily available to the general public. ...
... Insertion of Materials � Composites (AIM-C) Producibility Module Development ... Red = Basic Activity Producibility Module Software ...
... Although the uses of reinforced molding materials are expanding their use would probably accelerate if more were known about them. ...
... of laminated materials positioned between ... the conducting material's ablation threshold ... PATENTS, ABLATION, GUN BARRELS, ACCELERATION ...
... composites and offers a process or protocol to ... composite materials for various applications. ... Accelerated Insertion of Materials Is Achieved in AIM-C ...
... Descriptors : *COMPOSITE MATERIALS, *COMPOSITE STRUCTURES, MILITARY REQUIREMENTS, LESSONS LEARNED, RISK, DEFENSE ...
... Center for Biologics Evaluation and Research (CBER) under ... still submit as many materials as possible ... report information in labeling material that is ...
Center for Drug Evaluation (CDER)
... 3. The Evaluation of a Solar Radiation Concentration Device (EMMA) as a Means of Accelerating the Weathering of Plastics. ...
... VERGE TORQUES, ACCELERATION FRICTION TORQUES, AND VERGE-STARWHEEL MATERIAL UPON THE RUNNING RATES OF A ...
Bronchodilators accelerate the dynamics of muscle O 2 delivery and utilisation during exercise in COPD
E-print Network
... of Homogeneous and Heterogeneous Metallic Materials,. ... acceleration (active solution) or retardation (passivation ... main phase and enrichment of the ...
... Three classes of compounds showed promise as stabilizers in the accelerated tests, namely, phenols, quinones, and nitrophenols. ...
... The elemental additions also accelerated the formation of alpha manganese at the grain boundaries during aging. Descriptors ...
... Keywords: Foils materials; Electron beams focusing; Linear accelerators. Descriptors : *FOCUSING, *ELECTRON BEAMS ...
... CEMENTS, ADDITIVES, FINE GRAINED MATERIALS, SILICATES, PHOSPHATES, ALUMINUM OXIDES, ACCELERATION, GYPSUM. ...
... SHIELDING), (*NUCLEAR RADIATION, SHIELDING), LINEAR ... HAZARDS, MATERIALS, SAFETY ... NUCLEAR RADIATION SHIELD, PROTECTION & ...
Emitter fabrication and testing, engine testing and performance, and accelerator material studies in
The accelerating gradient in a laser-driven dielectric accelerating structure is often limited by the laser damage threshold of the structure. For a given laser-driven dielectric accelerator design, we can maximize the accelerating gradient by choosing the best combination of the ...
An electronuclear reactor is described in which a very high-energy particle accelerator is employed with appropriate target structure to produce an artificially produced material in commercial quantities by nuclear transformations. The principal novelty resides in the combination of an accelerator with a target for converting ...
DOEpatents
The objectives of this work were to develop methods for accelerated testing of cathode material for solid oxide fuel cells under selected operating conditions. The methods would be used to evaluate the performance of LSM cathode material.
DOE Information Bridge
A preconceptual accelerator-breeder design has been developed with improved capability to produce fissile material and thermal power. These improvements allow the design to have the dual role of fissile material and electricity production.
This documents contains briefing charts on the Accelerated Insertion of Materials - Composites (AIM-C) program. The goal of the AIM-C program is to accelerate the insertion of new materials and processes and evaluate the effects of material, processing an...
Optimum shielding of the radiation from particle accelerators requires knowledge of the attenuation characteristics of the shielding material. The most common material for shielding this radiation is concrete, which can be made using various materials of ...
The classical method of characteristic surfaces and bicharacteristic rays is used to study acceleration and higher order discontinuities in nonlinear simple elastic materials. No special material symmetry is assumed, and the analysis requires neither mate...
AIM-C is a methodology for accelerated insertion of materials into defense structures at reduced costs. This methodology develops a design knowledge database that links what is known about a material system to what is needed in order to quality its applic...
HOME RESEARCH Research at SLAC Accelerator Physics Astrophysics and Cosmology Elementary Particle Physics Materials and Nanoscience Molecular Environmental Science Structural...
Science.gov Websites
... AGING(MATERIALS), HIGH TEMPERATURE ... THERMAL CYCLING TESTS, ACCELERATED TESTING, THERMAL ... SHELF LIFE, FOAM, GEL ...
Materials Engineering Laboratory Estimation of Acceleration Factors by Comparison of Performance During Accelerated Stress and in Outdoor Conditions R. A. Enzenroth, K.L. Barth,...
National Renewable Energy Laboratory (NREL)
The discussion reviews the use of accelerators originally intended for nuclear physics to do high resolution mass spectrometry for the purpose of isotope dating and age estimation of materials. (GHT)
... through the formation of peroxide-like materials ... JJ, "Development of an Accelerated Storage Test ... Acid, and 2-Ethylhexyl Hydrogen Sebacate," NRL ...
The Optical Materials project description is to characterize advanced reflector, perform accelerated and outdoor testing of commercial and experimental reflector materials, and provide industry support.
... from Soviet Technical Literature, September 1973,. ... all current laser material is routinely ... accelerators, Electron beams, Materials, Solid state physics ...
... from Soviet Technical Literature, October 1973,. ... effects; all current material is routinely ... accelerators, Electron beams, Materials, Solid state physics ...
... from Soviet Technical Literature, November, 1973,. ... all current laser material is routinely ... accelerators, Electron beams, Materials, Solid state physics ...
... from Soviet Technical Literature, December, 1973 ... particle beams, and material sciences ... accelerators, Electron beams, Materials, Solid state physics ...
... from Soviet Technical Literature, August 1973,. ... all current laser material is routinely ... accelerators, Electron beams, Materials, Solid state physics ...
6303 Special Projects Group 6350 Multifunctional Materials Branch 6360 Materials & Sensors Branch 6390 Center for Computational Materials Science ---...
a considerable military advantage from developing SONAR-detecting materials and microwave materials with higher
... The benefit of a multi-functional team to develop a DKB is ... and evaluation of a new materials system even ... and rapidly insert a new material into an ...
Compared with the number of nuclear power plants that will be decommissioned over the next few years accelerators are only a ``small'' source of radioactivity although at CERN the total amount of mostly metallic material activated in the operation of the accelerators is estimated to be of the order of 15 Mtons. Various existing ...
Drawings are presented of the waveguide, water tubes, waveguide valves, phase shifter, power divider, waveguide flanges and gasket, accelerator strongback, directional coupler, thin valve, accelerator, and alternator. (WHK)
This report contains viewgraph material on the following topics: Electron-Positron Linear Colliders; Unconventional Colliders; Prospects for UVFEL; Accelerator Based Intense Spallation; Neutron Sources; and B Physics at Hadron Accelerators with RHIC as an Example.
Accelerator-driven systems for fissile materials production have been proposed and studied since the early 1950s. Recent advances in beam power levels for small accelerators have raised the possibility that such use could be feasible for a potential proli...
Several applications of accelerator-based mass spectroscopy are reviewed. Among these are the search for unknown species, determination of comogenic radioisotopes in natural materials and measurements of half-lifes, especially those of significance to dating. Accelerator parameters and techniques of importance for these applications ...
The dual ion beam accelerator system has been developed for simulation studies of neutron radiation damage of structural materials for nuclear fusion and fission reactors. One accelerator is used to accelerate two different kinds of ions, which are generated in the ion source simultaneously. One of these ions is ...
A workshop on the physics and applications of microwave-absorbing materials in accelerators and related systems was held at CEBAF February 22-24, 1993. The gathering brought together about 150 scientists and representatives of industries from all over the world. The main topics of discussion were the properties of ...
This is the summary of presentations and discussions of the High Gradient and EM Structure Based Accelerators Working Group at the 2008 Advanced Accelerator Concepts Workshop. The working group mission statement and charge are described and presentations on different topics are summarized. The topics include investigations of high gradient limitations ...
This learning resources comprise a healthy introduction to charged particle acceleration. The site, by Stanley Humphries, a professor of electrical and computer engineering at University of New Mexico, amounts to an online textbook (.pdf) introducing the theory of charged particle acceleration. The book's fifteen chapters (with bibliography) summarize "the ...
NSDL National Science Digital Library
The accelerating gradient is one of the crucial parameters affecting the design, construction and cost of next-generation linear accelerators. For a specified final energy, the gradient sets the accelerator length, and for a given accelerating structure and pulse repetition rate, it determines power consumption. In ...
A piezoelectric accelerometer is described which simultaneously measures acceleration and velocity for materials subjected to very rapid impulsive loading. The acceleration signal is derived from a measure of the rate of change of the short-circuited current of a piezoelectric disk in contact with the accelerated ...
The newest particle accelerators are almost always built for extending the frontiers of research, at the cutting edge of science and technology. Once these machines are operating and these technologies mature, new applications are always found, many of which touch our lives in profound ways. The evolution of accelerator technologies will be discussed, with ...
The accelerator tubes are essential components of the accelerator. Their function is to transport and accelerate a very intense proton or deuteron beam through the machine, from the ion source to the neutron production target, without significant losses. In this contribution, we discuss materials selected for the ...
PubMed
This report discusses different design concepts for particle-beam accelerators. It demonstrates that with the use of high-temperature superconducting materials, a more-compact, lighter, and more-robust accelerator design can be realized for the space-based neutral particle beam (NPB) accelerator.
We study the quantum dynamics of a material wave packet bouncing off a modulated atomic mirror in the presence of a gravitational field. We find the occurrence of coherent accelerated dynamics for atoms beyond the familiar regime of dynamical localization. The acceleration takes place for certain initial phase-space data and within ...
The requirements for the construction of the vacuum chamber of an accelerator are described. The problems which must be solved include air tightness, behavior of materials under irradiation, valves, packing materials, vacuum production. vacuum pumps, return of pumped media into the receiver, and control and safety of the ...
In 1977, NRC published a report (NUREG-0301) of a task force review of the need for, and feasibility of, the Federal government regulating naturally occurring and accelerator-produced radioactive materials (NARM). Since that time, the Federal regulatory r...
Materials The type of optical materials acceptable for use in CPV is a subject of controversy. Each company must develop its own accelerated test, slowing product development....
Modeling the response of wood-based materials in aggressive environments using kinetics is encouraged. Especial care must be exercised in accelerated tests to assure that the material undergoes the same reactions in the test environment as that expected i...
Future nuclear materials production and/or the burn-up of long lived radioisotopes may be accomplished through the capture of spallation produced neutrons in accelerators. Aluminum clad-lead and/or lead alloys has been proposed as a spallation target. Alu...
This paper reports on the results of an experimental investigation into the dielectric properties of a new composite ceramic material BSM, whose tunability increases with increasing concentration of the composite magnesium-containing additive. The main applications of the ferroelectric ceramic material in the accelerator technology are ...
Three proprietary coatings on monolithic polycarbonate transparency material were examined. The coated polycarbonate materials were exposed to one and three years of accelerated ultra violet exposure. The specimens were then exposed at a 30 degrees impact...
Frequency response spectra were generated for the horizontal, vertical and rotational motion (accelerations) of a radioactive material shipping package (cask) relative to the motion (accelerations) of its support (rail car). These spectra were generated u...
This paper describes the needs, reasoning, approaches, and technical details to establish a practical accelerated weathering test (AWT) protocol for indoor testing of the photothermal stability of encapsulation materials and encapsulated solar cells and minimodules.
Ceramic turbine rotors for turbochargers, because of the material's low density, offer faster turbocharger rotor acceleration which improves engine response and vehicle acceleration. Ceramics use relatively low cost materials in place of the currently use...
The modeling of dielectric and magnetic materials in the time domain is required for pulse power applications, pulsed induction accelerators, and advanced transmission lines. For example, most induction accelerator modules require the use of magnetic mate...
A preliminary assessment is presented of the potential for utilizing existing accelerator Be-target systems in the CTR Materials Program. The considerations are aimed to partially satisfy the programmatic near-term phase of the technology program. (auth)
An accelerated laboratory corrosion test has been developed to screen materials and finishes for use on naval aircraft. Sulfur dioxide is introduced at periodic intervals into a conventional salt fog chamber to simulate conditions produced by the carrier ...
This document contains briefing charts on the Accelerated Insertion of Materials - Composites (AIM-C). Topics covered include a summary of progress to date: accurately predicted laminate stiffness, accurately predicted typical unnotched and open hole stre...
The accelerated aging characteristics of an aluminized acrylic reflector material (3M Company ECP-244) were studied when bonded to either an aluminum or acrylic painted steel substrate. The aging consisted of temperature/humidity cycling between extremes ...
...accelerator-produced radioactive material or discrete sources of radium-226 for which a specific medical use license is required...accelerator-produced radioactive material or discrete sources of radium-226 for which a specific medical use license is...
Code of Federal Regulations, 2010
... reduce or eliminate the influence of the walls on the ... in this way, the selection of wall material and ... can be made independently of its effect that the ...
... The best way to accelerate the development of new materials is to develop advanced computational thermodynamics as an essential tool to ...
... 6. The Further Evaluation of a Solar Radiation Concentrating Device (EMMA) as a Means of Accelerating the Weathering of Plastics. ...
... Title : Surface Compatibility Studies of Potassium Perchlorate Reaction with ... surface changes in various pyrotechnic materials during accelerated ...
... AGING(MATERIALS), TEST METHODS, FUELS, ENGINES, INHIBITION, ACCELERATED TESTING, BROMINE, PEROXIDES, DISTILLATES. ...
... IGNITERS, AGING(MATERIALS), FAILURE, RATES, RELIABILITY, SURVEILLANCE, ACCELERATED TESTING, PYROTECHNICS, PYROGENS. ...
Jul 5, 2007... impregnated with barium aluminate, a material with a low work function. ... a fraction of the positive ions is accelerated back to the ...
NASA Website
... AGING(MATERIALS), OXIDATION, ERROR ANALYSIS, ERRORS, SCALING FACTOR, PARTICULATES, STORAGE, FILTRATION, DISTILLATES. ...
The materials may be used on the International Space Station, ... such as nuclear accelerators, nuclear power plants, nuclear submarines and medical ...
/Condensed Matter Correlated materials, nanomaterials, magnetism, polymers, semiconductors, water. Physics Atomic, molecular, and optical (AMO) physics; accelerator physics....
The CET for the lead-free solder project is based on a modified Highly Accelerated Life. Test (HALT), a process in which products are subjected to ...
... Descriptors : *INTERACTIONS, *LASER BEAMS, *FOILS(MATERIALS ... Subject Categories : LASERS AND MASERS PLASMA PHYSICS AND ...
... buoyancy, expansive soils, and frost ... ASTM, and Caltrans compaction and ... MOISTURE CONTENT, ACCELERATED TESTING, SOIL COMPACTION. ...
... CYANATES, STEAM, VOLUMETRIC ANALYSIS, ACCELERATED TESTING, INFRARED SPECTRA, FURANS, HYDROXYL RADICALS ...
... TESTED IN AN ACCELERATED HIGH VELOCITY, HOT ... ANY OTHER MATERIAL TESTED INCLUDING THE ... SHOULD NOT LIMIT LIFE (AT LEAST ...
... The effects of outdoor weather exposure, indoor accelerated aging at high temperature and chemical attack on phenolic, melamine, silicone, epoxy ...
... LASER BEAMS, *NUCLEAR FUSION, ABLATION, PLASMAS ... LASERS, MOMENTUM TRANSFER, PLASMA DIAGNOSTICS, FOILS(MATERIALS ...
... Damage and Life Prediction for High ... of stress-accelerated grain boundary ... ENVIRONMENTS, MATERIALS, HIGH TEMPERATURE, DEFORMATION ...
... EPDM and EPM rubbers (used in overhead powerline composite insulators), which were submitted to accelerated aging in a Weatherometer ...
... One such material is sodium polyacrylate. Because recent field trials with Canadian Forces soldiers have reconfirmed that ...
... THE SAME MATERIAL UNDER MORE SEVERE CONDITIONS. ... TO CONTINUOUS SLIDING WITH FRESH ... A HEAD WHICH SLIDES REPEATEDLY ...
... The first material studied was Lucite. Electrically exploded foils were used to accelerate thin Lucite plates to high velocity ...
... Descriptors : (*SPINAL COLUMN, ANATOMICAL MODELS), (* CEREBROSPINAL FLUID, FLUID DYNAMICS), (*ACCELERATION ...
... the previous tube, which is normally advantageous due to higher sputtering ... We anticipate receiving our heat exchanger material in September. In ...
Recently, the application of particle accelerators to medicine, materials science, and other industrial uses has increased dramatically. A random sampling of some of these new programs is discussed, primarily to give the scope of these new applications. The three areas, medicine, materials science or solid-state physics, and industrial ...
The coaxial plasma accelerator is a simple, compact, and mechanically robust device that utilizes the Lorentz J�B force to accelerate plasma to high velocity. Originally developed in the 1950s for the purpose of providing energetic plasmas for fusion energy experiments, coaxial plasma accelerators are presently being investigated as ...
or when combined in specific ways, unique properties of materials like metals and semiconductors can be controlled. Modern electronics like cell phones and computers are based on...
