Shape Memory Composite Development for Use in Gossamer Space Inflatable Structures

David Cadogan, Stephen Scarborough, John Lin, George Sapna
2002 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference   unpublished
Several new shape memory composite materials have been developed that allow the requirements of gossamer space structures (high packing efficiency, low mass, high stiffness, etc.) to be met. A detailed analysis and test program has been conducted on several different materials at the coupon level, as well as at the component level in the form of inflatable deployable columns. Materials have been tested to determine their degradation from folding and packaging, storage life and aging
more » ... d aging characteristics, vacuum stability, outgassing characteristics, and ability to return to shape when heated after packing. Shape memory composites have also been tested at the sub-component and system level in several applications. Isogrid beam columns have been designed, manufactured, and structurally tested to verify materials performance parameters. The columns were repeatedly packed and deployed to assess the degradation of the materials in actual use and the resultant strength and stiffness loss. Compression, and torsion strength and stiffness were assessed in the test program.
doi:10.2514/6.2002-1372 fatcat:ljuysebmcjew5egd6ug7vrn3bu