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Use of shape memory alloys in duct fan orifice control

It is no longer necessary to use complicated, heat and oxidation exposed actuators for the purpose of controlling jet exhaust flow. Use Nitinol shape memory alloys to contract and expand your jet.


Boeing made a very simple application of this material by simply inlaying three strips of the alloy, allowing controlled, smooth, reliable shape control while maintaining structural integrity. Far more intricate designs are possible by using multiple strands of nitinol to compound effect forces.


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