Shape memory effects alloys
Impact of Alloy Composition and Thermal Stabilization on Martensitic Phase Transformation Structures in CuAlMn Shape Memory Alloys
... Shape memory alloys exhibit high damping properties mainly due to thermoelastic martensitic phase transformations, which are related to the energy loss by the movement of the parental martensite ...
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VIBRATION CONTROL WITH SHAPE-MEMORY ALLOYS
... When a fluid/solid body is at a different temperature than its surroundings, transfer of thermal energy, also known as heat transfer, or heat exchange, occurs in such a way that the body and the surroundings reach a ...
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Correlation Between the Mechanical Cycling Behavior and Microstructure in Laser Welded Joints Using NiTi Memory Shape Alloys
... possible effects of the welding process on the ...NiTi alloys are strongly dependent on the chemical composition and laser welding may cause compositional changes in the FZ and in the HAZ as a result of ...
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Soldag. insp. vol.17 número3
... for shape memory alloys (SMA) has become of great importance, as their functional properties namely shape memory effect (SME) and superelasticity (SE) present unique solutions for ...
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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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Shape Memory Alloys
... key effects of SMAs associated with the phase transformation are super-elasticity and shape memory ...Nickel-titanium alloys have been found to be the most useful of all ...nickel-titanium ...
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Investigation of the bainitic reaction in a CuAlNiMnFe shape memory alloy
... The fine structure examinations revealed that the exothermic process observed during the first DSC heating run produced a structure consisting of fine α phase plates and (AlNiMnFe) precipitates. It is known that the ...
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Gas Tungsten Arc Welding of NiTi Shape Memory Alloy
... Shape memory alloys are characterized by the ability of recovering their initial shape after being deformed and by ...these alloys, a new field of interest emerged not only for the ...
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Filtration of aluminum alloys and its influence on mechanical properties and shape of eutectical silicium
... It was necessary prepare properly the sample to detail observation three-dimensional shape of eutectic silicon on REM. The sample submerged to etching solution (35 % HCl) with etched side down in time 1 min. ...
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Microstructural Characterization of a Laser Surface Remelted Cu-Based Shape Memory Alloy
... Cu-based shape memory alloys (SMAs) present some advantages as higher transformation temperatures, lower costs and are easier to process than traditional Ti-based SMAs but they also show some ...
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Caracterização termomecânica de compósitos híbridos com memória de forma
... O conceito de compósito híbrido foi proposto primeiramente no ano de 1988, em uma combinação de material compósito e SMA (ROGERS, 1988). Nesse contexto, as SMA têm duas aplicações potenciais e promissoras: controle de ...
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Aplicação de têxteis inteligentes a produtos de design de moda
... Através do estudo dos materiais inteligentes existentes no mercado e as suas aplicações aos produtos de moda, foi possível a verificação da oportunidade de aplicação dos shape memory [r] ...
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Task-selective memory effects for successfully implemented encoding strategies.
... common memory effects for visual imagery and sentence generation trials as well as memory-by-condition ...and Memory (hits, errors [trials where the rearranged pair or the single pair lure ...
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Model Equations of Shape Memory Effect - Nitinol
... SMA’s shape occurs in case of one way SME after subsequent cooling whereas two way SME is characterized by a change of SMA’s shape during ...‘’cold’’ shape and ‘’hot’’ shape upon cooling down ...
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Shape memory chitosan-based scaffolds for biomedical applications
... a shape memory effect triggered by hydration. The shape memory effect of non-crosslinked (CHT0) and genipin-crosslinked (CHT1) scaffolds was followed by hydromechanical compressive test and ...
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Pharmacological effects and behavioral interventions on memory consolidation and reconsolidation
... affect memory consolidation and/or memory recon- solidation of the inhibitory avoidance ...both memory consolidation and reconsolida- tion studies, mice were over-reinforced on the learning ...the ...
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Evaluation of Bcl-2 Family Gene Expression in Hippocampus of 3, 4-methylenedioxymethamphetamine Treated Rats
... apoptotic effects of this drug are ...anti-apoptosis effects of MDMA, more assays on the caspase family and other members of the Bcl-2 family need to be ...
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Consolidation differentially modulates schema effects on memory for items and associations.
... on memory progresses over time by examining memory performance before or after consolidation on retrieval of congruent versus incongruent item and associative ...performed memory tests either after 0 ...
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Mat. Res. vol.17 suppl.1
... The current work evaluated the microstructures and martensitic transformation temperatures of NiTi shape memory alloy (SMA) deformed by equal channel angular extrusion (ECAE). The Ti-55.27wt.%Ni alloy was ...
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New electronic memory device concepts based on metal oxide-polymer nanostructures planer diodes
... Nanostructure silver oxide thin films diodes can exhibit resistive switching effects. After an electroforming process the device can be programmed between a low conductance (off-state) and high conductance (on- ...
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