shape memory
Shape memory polymers and shape memory alloys: use in smart textiles
... 2006). Shape memory polymers (SMP’s) have been common since the middle of the ...of shape memory effects depends on spiral polymer structure, cross link, Hydrogen bridge as well as the ...
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Shape Memory Properties of Biomedical Ti Mo Ag and Ti Mo Sn Alloys
... in shape memory ...complete shape recovery at the second cycle in the both ...reliable shape recovery strain in both the alloys is about ...promising shape memory ...
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Shape Memory Effect and Crystallographic Investigation in VN Containing Fe Mn Si Cr Alloys
... Fe-based shape memory alloys has been done first by changing the concentration of VN within the mother alloy of Fe-28Mn-6Si-5Cr samples (reference ...containing shape memory ...
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Shape memory alloys and their potential application: a review
... transformation completion will take place. When SMA is heated beyond (As) it begins to contract and transform into the austenite structure, i.e. to recover into its original form. This transformation is possible even ...
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Mechanism of the Improvement of Shape Memory Effects in NbC Containing Fe Mn Si Based Shape Memory Alloys
... among twelve f111gh112i shear systems is quite likely to form as a result of the external stress. On the other hand, when the reverse transformation is induced by heating, three kinds of h112i shears can occur with an ...
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Effect of Shape Memory Heat Treatment on Microstructures and Mechanical Properties of Powder Metallurgy TiNi Shape Memory Alloy
... sintering (SPS), hot extruding, homogenization and solution heat treatment to fabricate the same procedure. The temperature and holding time in the shape memory heat treatment were, however, changed to ...
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Management of long-term and reversible hysteroscopic sterilization: a novel device with nickel-titanium shape memory alloy
... (NiTi) shape memory alloy and a waterproof ...the shape memory effect of the NiTi alloy, the device works like an umbrella: it stays collapsed at low temperature before placement and opens by ...
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Development of Nano-Structured Thin Film Shape Memory Alloys for MEMS Applications
... Two primary heat treatments are preformed on sputter deposited films in order to crystallize the films and obtain the desired microstructure and shape memory behavior. The first process is annealing which ...
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The Effect of Shape Memory Alloy in Composite Beam
... that shape memory alloy(SMA) have the capability of supporting large inelastic strain ...of shape memory alloy have received their attention in the literature (Bernardini D, ...of shape ...
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3D Simulation of a Shape Memory Microactuator
... account. Even though the simulation model only captures the basic features of the shape memory effect, it allows very good predictions of experimental data taking into account limita- tions in accuracy due ...
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Patterned Shape Memory Alloy Films
... Ni–Ti shape memory alloy (SMA) films is of technological interest for micro- actuators in micro-electro-mechanical systems (MEMS) and has thus received wide ...
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Recent Progress in Shape Memory Alloys
... far, the SE properties have already reached the level of the TiNi alloy. The high ductility of the CAM alloy is due to the low degree of atomic order, which enables it to deform into complex shapes through rolling, ...
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Recent Advancement in Shape Memory Alloy
... Recently, many researchers have taken an experimental approach to enhance the attributes of SMAs, by improving the material compositions (quantifying the SMA phase transition temperature) to achieve a wider operating ...
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Thermoelastic and Pseudoelastic Characterization of Shape Memory Alloys
... the shape memory quality of the material. In the shape memory alloys, homogenization and releasing the external effect is obtained by ageing at β- phase field for adequate ...
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Enhancement of Shape Memory Properties through Precipitation Hardening in a Ti Rich Ti Ni Pd High Temperature Shape Memory Alloy
... . Shape memory properties of some selected specimens were investigated by thermal cycling test (with a heating and cooling rate of 10 K min ¹1 ) under various constant tensile stress ...
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Design of a Parallel Robot Actuated by Shape Memory Alloy Wires
... The Shape Memory Alloy (SMA) actuators have one basic characteristic that suggests their use in some of these devices: the high power/weight ratio, 1) together with the possibility to manufacture the SMA in ...
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Properties of Thermally Treated CuZn27Al3 Shape Memory Alloy
... Today, mainly SMA materials are used based on NiTi due to their bio-compatibility, relatively high shape memory effect and good mechanical properties. However, the less expensive SMA materials are also ...
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Enhanced Mechanical Properties of Fe Mn Si Cr Shape Memory Fiber/Plaster Smart Composite
... When the specimen is tested after SMA recovered a strain for about 0.8%, corresponding experimental data is available in Fig. 10 that is the case of 1% pretensile strain and 79% recovery ratio. The magnitude of shear ...
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Platinum Alloys for Shape Memory Applications142-156
... ory effect and corrosion is very much a secondary consideration. Nitinol is reasonably corrosion resistant, but there appears to be some debate in the literature regarding its long-term biocompati- bility (27, 28). There ...
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Study and applications of shape memory alloys (SMA)
... materials Shape memory materials (SMMs) are featured by the ability to recover their original shape from a significant and seemingly plastic deformation when a particular stimulus is ...the ...
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