Browsing by Subject "Shape Memory Alloys"
Now showing items 1-20 of 22
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(Texas A&M University, 2007-04-25)The development of a leading edge propeller blade reconfiguration system using Shape Memory Allow (SMA) muscles is presented. This work describes the design and testing of a leading edge flap, which is used to alter the ...
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Actuation Fatigue Characterization Methods and Lifetime Predictions of Shape Memory Alloy Actuators (2017-05-05)Shape Memory Alloys (SMAs) are a class of intermetallic alloys that possess the ability to repeatedly sustain large amounts of deformation and recover a designed geometry through a thermal-induced, diffusionless, solid-to-solid ...
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(2022-04-19)Additive manufacturing (AM) is a disruptive technology leveraging innovations of the past and present to enable the design and fabrication of the new standard for components across industries. However, the successful ...
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(2012-04-20)Size dependent properties of Shape Memory Alloys (SMAs) in micro and nano scales have gained an increasing attention due to the existing and potential applications of SMAs in microelectromechanical systems (MEMS) and small ...
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(2016-07-29)The development of new structural damage detection methods is of great interest to the aerospace industry. Current detection techniques rely on experiences with similar vehicles operating in similar conditions and require ...
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(2020-04-10)In the field of structural health monitoring (SHM), innovative methods of non-destructive evaluation (NDE) are currently being investigated for the purpose of enabling safer, longer lasting structures. While current SHM ...
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(2012-10-19)Shape Memory Alloys (SMAs) are advanced materials with interesting properties such as pseudoelasticity (PE) and the shape memory effect (SME). Recently, the CoNiGa system has emerged as the basis for very promising High ...
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(2020-12-02)Thermal expansion control is key to further optimization of systems with large heat gradients or changes in temperature, and where extreme precision is required. Manipulation of this property in materials has traditionally ...
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(2020-04-30)Shape memory alloys (SMAs) are in class of active materials with the capability to undergo and recover large deformations upon subjecting to certain external stimuli, i.e. temperature and mechanical load. This capability ...
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(2012-10-19)The past twenty years have seen the successful characterization and computational modeling efforts by the smart materials community to better understand the Shape Memory Alloy (SMA). Commercially available numerical analysis ...
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(2013-07-24)Over the last few decades, Shape Memory Alloys (SMAs) have been increasingly explored in order to take advantage of their unique properties (i.e., pseudoelasticity and shape memory effect), in various actuation, sensing ...
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(2010-07-14)Most e orts on High Temperature Shape Memory Alloys (HTSMAs), have focused on improving their work characteristics by thermomechanical treatment methods. However, the in uence of transformation induced plasticity (TRIP) ...
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(2022-12-10)One of the obstacles to the deployment of shape memory alloys (SMAs) in solid-state actuation is the low efficiency and functional instability due to the transformation thermal hysteresis and large temperature ranges during ...
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(2014-08-14)NiTiHf and NiTiZr high temperature shape memory alloys (HTSMAs) have drawn a great deal of attention as cheaper alternatives to Pt, Pd and Au alloyed NiTi-based HTSMAs while NiTiZr alloys also providing at least 20% weight ...
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(2015-08-25)Recently, new shape memory alloy (SMA) MAX phase composites (e.g. NiTi- Ti2AlC and NiTi − Ti3SiC2) have been developed to take advantage of their unique combination of thermomechanical responses. Of particular interest are ...
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(Physical Review, 2023)We studied Ni50+xTi50−x with compositions up to x=2, performing 47Ti and 49Ti nuclear magnetic resonance (NMR) measurements from 4 to 400 K. For large x in this system, a strain glass appears in which frozen ferroelastic ...
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(2023-05-10)Since their first applications in the 1960s, shape memory alloys have been more frequently employed in industrial applications. Initially they had very specialized applications, but ongoing research has led to a better ...
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(2010-01-16)Shape Memory Alloy actuators can be used for morphing, or shape change, by controlling their temperature, which is effectively done by applying a voltage difference across their length. Control of these actuators ...
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(2019-11-15)Utilizing new and advanced materials for reinforcing concrete structures in lieu of conventional steel bars could promote the response and behavior of concrete structures and provide reliable solutions for construction-related ...
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(2018-05-27)The feasibility of using friction stir welding (FSW) to join nickel-titanium (NiTi) shape memory alloys (SMAs), both to themselves and to other materials, has been explored. The effects of the FSW process on the microstructure, ...