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The proposed concept is to explore the use of Amorphous Metals (AMs) and Amorphous Metal Composites (AMCs) (fabricated entirely at JPL) for use as gears and bearing at both ambient and cryogenic temperatures. The goal is to exploit the advantageous mechanical properties of the AM's and AMC's (strength, hardness, low-density, toughness) and demonstrate that they outperform conventionally used gearbox materials. Previous studies have shown that ceramic gears can provide far better wear performance than metal gears, however they are traditionally avoided because they are prone to brittle failure due to their low fracture toughness.
Missions will benefit from research on Amorphous Metal (AMs) and Amorphous Metal Composites (AMCs) for use as gears and bearing at both ambient and cryogenic temperatures.
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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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