Shape Memory Alloys (LMF)
Shape Memory Alloys
... Shape memory alloys (SMAs) are metals that "remember" their original ..."change shape, stiffness, position, natural frequency, and other mechanical characteristics in response to ...
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Shape Memory Alloys (Part II): Classification, Production and Application
... Numerous alloys show shape memory effect (NiTi-based alloys, Cu-based alloys, Fe-based alloys ...NiTi alloys have greater shape memory strain and excellent ...
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Gas Tungsten Arc Welding of Cu-Al-Mn Shape Memory Alloys
... Cu-based shape memory alloys, the recoverable strain depends on the grain size (d) relative to the size of the specimen, for sheet thickness (t) or wire diameter (D), and increases with increasing ...
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Releasing systems for aerospace industry based upon Shape Memory Alloys: characterization of materials for actuators
... Releasing and deployment maneuvers carried out during space satellites launching are usually performed by utilizing pyrotechnics loads. However, it is considered convenient to replace this technique by others not ...
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Simultaneous use of shape memory alloys and permanent magnets in multistable smart structures for morphing aircraft applications
... This Thesis considers the simultaneous use of shape memory alloys and permanent magnets for achieving multistable smart structures aiming towards morphing applications. Motiva tion for [r] ...
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Laser welding of precipitation strengthened Ni-rich NiTiHf high temperature shape memory alloys: Microstructure and mechanical properties
... temperature shape memory alloys are currently attracting significant attention by the aerospace industry due to the potential use of shape memory and superelastic properties at ...
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Microstructural characterization and mechanical behavior of NiTi shape memory alloys ultrasonic joints using Cu interlayer
... important shape memory alloys (SMAs) due to its excellent functional properties, namely shape memory effect and superelasticity, combined with high corrosion resistance, as well as, ...
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Comparisson of recrystallization kinetics and grain growth in polycrystalline shape memory alloys
... (shape memory alloys) have, normally, two problems that hinder the use in industrial scale: the natural aging and grain ...the memory effect, while the second, observed during the alloy’s ...
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Impact of Alloy Composition and Thermal Stabilization on Martensitic Phase Transformation Structures in CuAlMn Shape Memory Alloys
... strength shape memory alloys with an excellent damping capacity within their austenitic-martensitic phase transformation, compared to alloy systems like NiTi, CuZnAl or ...CuAlMn alloys have ...
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Effect of Contact Temperature Rise During Sliding on the Wear Resistance of TiNi Shape Memory Alloys
... the shape memory effect of TiNi alloys and their applications [ ‐ ...These alloys have also been found to be extremely resistant to wear in sliding, fatigue, abrasion and erosion modes [ ‐ ...
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VIBRATION CONTROL WITH SHAPE-MEMORY ALLOYS
... Passive energy dissipation in a vibrating structure mainly occurs due to internal stressing, rubbing, cracking, and plastic deformations [73]. When facing a dynamic event, the amplitude of the structural vibrations ...
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Medical applications of shape memory alloys
... Self-expanding stents, named after the dentist C.T. Stent, are another important car- diovascular application that is used to main- tain the inner diameter of a blood vessel. Actually, these devices are used in several ...
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Laser Welding of Shape Memory Alloys
... NiTi/NiTi laser welded joints have already been studied in the literature, however the microstructural modifications induced by the welding procedure and its correlation with both shape memory and ...
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Characterization techniques of a shape memory nickel titanium alloy
... NiTinol has proven to be the most advantageous of the known shape memory alloys, receiving much attention from the scientific community (as well as industrial and product designers) in recent ...
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Shape Memory Alloy Actuator forBio-medical application
... of shape memory alloys (SMA) in bio-medical field based upon their material properties are discussed, and a novel SMA spring actuator design for biopsy is ...
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Gas Tungsten Arc Welding of NiTi Shape Memory Alloy
... Shape memory alloys (SMA) are known for the capacity to recover the initial shape after being deformed, when subjected to a specific thermal cycle, called Shape Memory Effect ...
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Thermomechanical characterization of shape-memory polymeric composites
... areas. Shape memory materials exhibit a special behaviour when exposed to certain temperature and tension or deformation ...presenting shape-memory eect are shape-memory ...
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Investigation of the bainitic reaction in a CuAlNiMnFe shape memory alloy
... CuAlNi shape memory alloys limits their ...CuAlNiMnFe alloys as functional materials, the effect of ageing on the thermoelastic martensitic transformation was ...these alloys is ...
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On a nonlinear and chaotic non-ideal vibrating system with shape memory alloy (SMA)
... Shape Memory Alloys (SMAs) consist of a group of metallic materials that demonstrate the ability to return to some previously defined shape or size when subjected to the appropriate thermal ...
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