Abstract:The need for a graphical computer based functional emulation of a systems behavior has been identified by several requirements, including this announcement. The need exists for multiple stations which interact with each other as the actual real world system behaves. This project will provide a… more
Abstract:NUMEROUS PROCESSES ARE BEING DEVELOPED FOR THE MANUFACTURING OF ADVANCE COMPOSITES WHICH INCORPORATE CERAMICS, POLYMERS, METALS AND/OR METAL ALLOYS. THE SUCCESS OF THESE MANUFACTURING PROCESSES IS CRITICALLY DEPENDENT ON THE ABILITY TO BOTH MONITOR AND CONTROL THE PROCESSING CONDITIONS. OF… more
Abstract:AN INSTRUMENT CAPABLE OF MAKING ON-LINE, IN-SITU MEASUREMENTS OF RESIDUAL CARBON CONTENT IN FLYASH WOULD BE A VALUABLE ASSET IN THE OPTIMIZATION OF POWER PLANT EFFICIENCY AND IN ACHIEVING POLLUTION CONTROL GOALS. CURRENT INSTRUMENTS AVAILABLE TO MEASURE RESIDUAL CARBON FLY ASH ARE BASED ON… more
Abstract:LIGNIN IS THE MOST ABUNDANT RENEWABLE AROMATIC POLYMER. GIVEN THE RELATIVELY LOW COST, HIGH ABUNDANCE, AND RENEWABLE NATURE OF THIS RESOURCE, IT IS NOT SURPRISING THAT MANY ATTEMPTS HAVE BEEN MADE TO DEVELOP HIGHER VALUE PRODUCTS FROM LIGNIN. CARBON MATERIALS HAVE A MUCH HIGHER ADDED VALUE THAN… more
Abstract:ALTHOUGH MANY POTENTIAL TECHNOLOGIES EXIST FOR DEPOSITING EXOTIC THIN FILM DEVICES, CONTROLLING THE MATERIAL PROPERTIES HAS BEEN A MAJOR STUBLING BLOCK TO ACHIEVING SUCCESSFUL AND REPRODUCIBLE DEVICE PROPERTIES. IN THE CASE OF PULSED LASER DEPOSITION (PLD) OF HIGH TC SUPERCONDUCTOR FILMS, THE… more
Abstract:CONVENTIONAL METHODS OF INFRARED (IR) SPECTROSCOPY FOR ANALYSIS OF CHEMICAL SPECIES ARE LIMITED TO OFF-LINE INSTRUMENTS. THE APPLICATIONS OF A NEW, SMART-DETECTOR DESIGN FOR IR SPECTRAL RESOLUTION IS PLANNED. THIS INNOVATION ACCOMPLISHES SPECTRAL RESOLUTION OF IR DIRECTLY ON THE DETECTOR CHIP… more
Abstract:The innovations of the proposed program are: 1) advancing thin-film deposition technology to achieve fully epitaxial growth of ferroelectric heterostructures on silicon substrates, by using the highly successful pulsed laser deposition (PLD) technique; 2) replacing the Pt bottom electrode with the… more
Abstract:The objective of this project is to develop a model of the growth (thickness and doping profile) of epi-silicon layers. This model will be used in conjunction with on-line Fourier Transform Infrared (FT-IR) reflectance measurements to control epi-silicon growth in a cluster tool. AFR has… more
Abstract:The development of advanced high speed aircraft using hydrocarbon fuels will require fuels which have very high thermal stability, including fuels which are stable above the critical temperature and pressure. The elucidation of the chemcial mechanisms for fuel degradation would greatly benefit from… more
Abstract:SiC is an attractive material for high temperature, high frequency and high power electronic applications because of its wide band gap, high thermal conductivity, and high breakdown voltage. Two polytypes of SiC which have received the most attention are the 3C cubic structure and the 6H hexagonal… more
Abstract:The inability to fabricate copper-based superconductors capable of transporting or circulating high current densities over large volumes has severely limited applications for wires and levitation. Difficulties in texturing these ceramic materials is due to the requirement for nearly perfect grain… more
Abstract:RECENT LEGISLATION IN THE U.S. AND ABROAD, DRIVEN PRIMARILY BY ENVIRONMENTAL CONCERNS, HAS LED TO THE DEVELOPMENT OF TECHNOLOGY TO REDUCE THE LEVELS OF NITROGEN OXIDE (NOX) EMITTED FROM COMBUSTION FACILITIES. APPLICATION OF THIS TECHNOLOGY TO COAL-FIRED POWER GENERATION FACILITIES HAS BEEN… more
Abstract:REMOVAL OF CONTAMINANTS FROM HOT GAS STREAMS FED TO DOWNSTREAM EQUIPMENT IF ESSENTIAL TO SUCCESSFUL DEVELOPMENT OF ADVANCED COAL UTILIZATION AND CONVERSION PROCESSES. THE OPERATION AND OPTIMIZATION OF SUCH REMOVAL PROCESS OFTEN REQUIRES DIAGNOSTIC INSTRUMENTATION TO MEASURE CONCENTRATIONS AND… more
Abstract:APPROXIMATELY 200,000 TOTAL KNEE REPLACEMENTS AND 200,000 TOTAL HIP REPLACEMENTS ARE PERFORMED YEARLY IN THE UNITED STATES. THE PROSTHESES MUST BE AS RELIABLE AS POSSIBLE. CERAMICS ARE WELL KNOWN AND VALUABLE CLINICAL MATERIALS, BUT FIND LIMITED USE DUE TO THEIR BRITTLENESS. IT WAS FOUND THAT… more
Abstract:RESEARCHERS HAVE PIONEERED A TECHNIQUE TO DETERMINE TEMPERATURES ALONG A LINE-OF-SIGHT INTO TRANSPARENT MATERIALS. IT INVOLVES MEASURING INFRARED RADIANCE SPECTRA FOR MATERIALS WITH WELL-CHARACTERIZED, TEMPERATURE-DEPENDENT OPTICAL CONSTANTS. THE PROJECT DEMONSTRATES THAT FOURIER TRANSFORM… more
Abstract:THIS STUDY WILL EVALUATE THE RANGE OF SHIP SIZES AND POWER LEVELS (SPEEDS) TO DETERMINE THE OPTIMUM SHIP CHARACTERISTICS FOR OPERATING U.S. FLAG RO/RO SHIPS IN U.S. COASTAL SERVICE. RO/RO CARGO HANDLING TECHNIQUES PREVALENT IN EUROPE AND SCANDINAVIA WILL BE INCORPORATED AS A FUNDAMENTAL ELEMENT OF… more
Abstract:Use of chromates as corrosion inhibi.tors in coatings, adhesives and sealants is a well established technology. However, toxicity and waste disposal problems have led to the urgent need for development of an environmentally benign substitute for chromium compounds in coatings and sealants, which is… more
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