Browsing by Subject "shape memory alloys"
Now showing items 1-13 of 13
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(2017-10-09)Shape memory alloys (SMAs) are promising candidates for solid state actuators since they have the highest energy density among all active materials. However, before SMA solid state actuators can be used in practical ...
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(2021-12-06)Thermal control systems for future manned space missions are requiring increased turndowns to address heat rejection and thermal environment variations. As a solution, space radiators that alter the heat rejection of the ...
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(2012-02-14)The aim of this work is to present a model for the superelastic response of Shape Memory Alloys (SMAs) by developing a Preisach Model with thermodynamics basis. The special features of SMA superelastic response is useful ...
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(2017-12-06)Current and new FAA regulations that are to be phased in have begun to pressure the aerospace industry to develop new noise reduction technologies to reduce aeroacoustic emissions that proponents say detriment the health ...
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(2016-08-02)Thermal control is an important aspect of spacecraft design, particularly in the case of crewed vehicles, which must maintain a precise internal temperature at all times in spite of sometimes drastic variations in the ...
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(2022-05-03)Aging heat treatments in high temperature NiTiHf shape memory alloys (SMAs) create nano-sized precipitates and modify their phase transformation behavior. Depending upon specific ap-plication requirements, the phase ...
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(2011-02-22)This dissertation addresses new developments in the constitutive modeling and structural analysis pertaining to rate-independent and rate-dependent irrecoverable inelasticity in Shape Memory Alloys (SMAs). A new model for ...
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(2009-05-15)Shape memory alloys (SMAs) have recently attracted much attention as a smart material that can be used in passive protection systems such as energy dissipating devices and base isolation systems. For the purpose of ...
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(2017-05-10)Advanced multifunctional materials such as shape memory alloys (SMAs) offer unprecedented improvement over conventional materials when utilized as high power output solid-state actuators in a plethora of engineering ...
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(2015-08-11)The recent discovery of giant magnetocaloric effects (MCE) at around room temperature has triggered the possibility of the development of a magnetic refrigerator that operates at ambient temperature. One of the main ...
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(2014-04-18)Thermally responsive shape memory alloys (SMA) demonstrate interesting properties like shape memory effect (SME) and superelasticity (SE). SMA components in the form of wires, springs and beams typically exhibit complex, ...
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(2022-08-23)Shape memory alloys (SMAs) are capable of producing some of the highest actuation stresses of any active material; however, large monolithic SMA actuators are currently limited to low cyclic actuation frequencies due to ...
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(2018-11-05)Shape memory alloys (SMAs) are metals that can “remember” the shape they were in before deformation and can return to that shape upon heating. These alloys have a structure that changes based on applied stress and temperature ...