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Title
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New and Improved Material for Expandable Structures
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Description
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The initial objective of the program being conducted by GAC under Contract AF 33(616)-7854 is to establish the general requirements of expandable structures with respect to special and re-entry environment; review present materials research which may be applicable to expandable structures; and recommend areas and specific programs in which additional research is required. The initial effort was a study which would fulfill the above objective.
Upon completion of the initial study, the program was expanded to include four (4) specific programs involving research in the following areas:
1, Weaving of Stranded Metal Yarns 2. Film and Elastomer Permeability 3. Radiation Re-Entry Coating 4. High Temperature Protective Study
Tasks 1 and 3 have just commenced with respect to this program; however, there is sufficient scientific data to establish feasibility of accomplishing their objectives.
The permeability study is concerned with exposing polyvinyl fluoride; polyvinylidine fluoride, polytrifluoromonochloroethylene, and tetrafluoroethylene-hexafluoropropylene film to an ultraviolet source in a vacuum of approximately 10-6 Torr. These materials are being exposed to three different energy levels and changes in permeability, mechanical and chemical structure are being noted. A similar exposure and analysis will be conducted for a butyl, Viton, and Silicone elastomers.
In the high temperature protective study, radiation, insulation, ablation and combinations of methods were investigated and analyzed for use with expandable structures.
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Date
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1963
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Date Issued
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1963-01
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Publisher
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Wright-Patterson Air Force Base, OH : Directorate of Materials & Processes, Aeronautical Systems Division, Air Force Systems Command
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Abstract
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The initial objective of the program being conducted by GAC under Contract AF 33(616)-7854 is to establish the general requirements of expandable structures with respect to special and re-entry environment; review present materials research which may be applicable to expandable structures; and recommend areas and specific programs in which additional research is required. The initial effort was a study which would fulfill the above objective.
Upon completion of the initial study, the program was expanded to include four (4) specific programs involving research in the following areas:
1, Weaving of Stranded Metal Yarns 2. Film and Elastomer Permeability 3. Radiation Re-Entry Coating 4. High Temperature Protective Study
Tasks 1 and 3 have just commenced with respect to this program; however, there is sufficient scientific data to establish feasibility of accomplishing their objectives.
The permeability study is concerned with exposing polyvinyl fluoride; polyvinylidine fluoride, polytrifluoromonochloroethylene, and tetrafluoroethylene-hexafluoropropylene film to an ultraviolet source in a vacuum of approximately 10-6 Torr. These materials are being exposed to three different energy levels and changes in permeability, mechanical and chemical structure are being noted. A similar exposure and analysis will be conducted for a butyl, Viton, and Silicone elastomers.
In the high temperature protective study, radiation, insulation, ablation and combinations of methods were investigated and analyzed for use with expandable structures.
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DoD Project
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7320 - Fibrous Materials for Decelerators and Structures
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DoD Task
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None Given
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Index Abstract
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Contrails only
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Laboratory
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Directorate of Materials & Processes
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Distribution Conflict
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No
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Distribution Classification
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1
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Identifier
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AD0299030
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DTIC Record Exists
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No
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Report Availability
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Full text available
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Extent
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44
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Corporate Author
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Goodyear Aircraft Corporation
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Report Number
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ASD TDR 62-964, p. 327-370
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Provenance
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Lockheed Martin Missiles & Fire Control
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Type
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article
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Relation
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This paper was presented at the Directorate of Materials and Processes "Symposium on Fibrous Materials" held in Dayton, Ohio, on 16-17 October 1962
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Creator
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Marco, D. M.
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Format
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1 online resource (44 pages)