Award Data

"Under this proposal we will develop, test, and document new methodologies for creating probability density functions (PDFs)of first-arriving and secondary seismic phases from datasets of seismic phase arrival times and hypocenters. Algorithms will bedeveloped to use seismic phase PDFs in standard earthquake location procedures in the context of phase association and weighting. Tests will be condu ...

The Defense Special Weapons Agency (DSWA) has identified a need to improve the radiation hardness of advanced integrated circuit technologies. To be practical, this must be achieved in a cost effective way. This proposal by AET, Inc. directly addresses these concerns. Specifi-cally, this proposal provides a means to achieve significant advance in radiation hardness of large scale integrated cir ...

This Small Business Innovation Research Project will determine the advantages and disad-vantages of fibrous/polymeric composite materials over traditional material (steel) for retrofitting key civilian facilities against terrorist bomb attack. Retrofit techniques we will evaluate are: strengthening fully and partially exposed columns with composite wraps or shells, masonry walls with bonded comp ...

Environments created from a nuclear event can have a great impact upon the operation of military forces on the battlefield. It is imperative that the associated nuclear effects are portrayed in an environment such as Dirstributed Interactive Simulation (DIS) so that changes canbe made during the weapon system design process to mitigate nuculear effects. These effectscan be extended to other appl ...

THIS PROGRAM WILL DEVELOP FIELD INSTRUMENTATION SUITABLE FOR USE IN AN UNDERGROUND (UGT) OR ABOVEGROUND (AGT) RADIATION TEST ENVIRONMENT, FOR THE MEASUREMENT OF ELECTRICAL PROPERTIES OF MATERIALS AS THEY RECOVER FROM IRRADIATION. THE EFFORT WILL CONSIST OF SAMPLE HOLDER AND INSTRUMENTATION DESIGN, RESPONSE ANALYSIS, AND THE FABRICATION OF A LABORATORY TEST SETUP TO SHOW TECHNIQUE FEASIBILITY.

THIS ACTIVITY WILL INVESTIGATE THE USE OF PVDF FILM FOR USE AS A LOW Z STRAIN GAGE. THE PVDF MATERIAL IS AN ORDER OF MAGNITUDE MORE SENSITIVE THAN PZT AS A PIEZOELECTRIC MATERIAL AND HAS AN ATOMIC NUMBER MUCH LOWER (LOW Z) THAN PRESENT RESISTIVE STRAIN GAGE MATERIALS. THEREFORE, PVDF AS A STRAIN GAGE WILL BE CAPABLE OF MEASURING MUCH LOWER LEVELS OF STRAIN THAN PRESENT GAGING TECHNIQUES, AND WILL ...