Multifunctional Metal/Polymer Composite Fiber for Space Applications, Phase II

In this Small Business Innovation Research Phase II Program, Syscom Technology, Inc. will implement an integrated processing scheme to fabricate a conductive multifunctional high-strength, high-modulus Metal/Polymer Composite Fiber (MPCF) for power and signal transfer and electromagnetic interference (EMI) shielding applications in space and aerospace vehicles. The Phase I study has successfully demonstrated that High phosphorous Electroless Nickel (HPEN) can be readily deposited onto properly etched PBO fiber. The HPEN coated PBO fiber showed the superior mass retaining (31.5 to 38.5) characteristic comparing to that of the uncoated PBO fiber in atomic oxygen erosion test. Additionally, the tensile mechanical strength and the DC conductivity of the MPCF essentially unchanged after a fluence of 5.04x1020 (atoms/cm2) atomic oxygen. In Phase II program, the revised processing scheme enables a full control of the processing conditions, such as fiber tension, bath chemistry during each step of the fiber preparation leading to the optimization of the mechanical and electrical properties of the PBO fiber. It is anticipated that the metal coating will not only protect the underlining polymer from harsh space environment, but also affords the resulting MPCF with advantages over metal wires in weight savings, mechanical flexibility, durability and strength.

This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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