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Adhesive and TIG Joining Nickel-Titanium to 304 Stainless Steel

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Title: Adhesive and TIG Joining Nickel-Titanium to 304 Stainless Steel
Creators: Riggs, Mark
Advisor: Dapino, Marcelo
Issue Date: 2012-12
Abstract: Nickel-titanium (NiTi) contains a unique set of properties which make it a desirable candidate for aeronautic applications. NiTi’s most useful characteristic comes from being a Shape Memory Alloy (SMA). With the proper thermo-mechanical training regimen, a NiTi tube can generate high stress as it rotates through large amounts of strain based on a thermal triggering condition. The rotation cycle is controlled by the temperature of the alloy and it is fully recoverable with up to 8% strain. This rotation lends itself well to function as a solid state actuator. Solid state actuators are beneficial over the traditional hydraulic or electrical actuators because they show the potential to be small, lightweight, and survive harsh conditions. Despite these advantages, NiTi has limitations, including poor machinability. This project looks into testing different methods of joining NiTi with structural materials to enable system integration. Once NiTi can be consistently joined with a machineable material its application will become more practical. This project investigates different ways to join Nickel-Titanium with structural materials to accelerate system integration.
Embargo: No embargo
Series/Report no.: The Ohio State University. Department of Mechanical and Aerospace Engineering Honors Theses; 2012
Keywords: Nickel-Titanium
Tungsten Inert Gas
Stainless Steel
Sponsors: Boeing Inc.
Edison Welding Institute
URI: http://hdl.handle.net/1811/53179
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