• Nenhum resultado encontrado

Shape memory alloy

Shape Memory Alloy Actuator forBio-medical application

Shape Memory Alloy Actuator forBio-medical application

... We have designed SMA 1 spring which is one of the most important component of the whole system. Various assumptions were taken into considerations while design calculations of shape memory alloy ...

7

Gas Tungsten Arc Welding of NiTi Shape Memory Alloy

Gas Tungsten Arc Welding of NiTi Shape Memory Alloy

... SMAs can also be used for sensor and actuation purposes simultaneously. An application that exploits this behaviour is the SMA spring for the continuous variable transmission in the Mercedes A class. The spring acts as a ...

118

Microstructural Characterization of a Laser Surface Remelted Cu-Based Shape Memory Alloy

Microstructural Characterization of a Laser Surface Remelted Cu-Based Shape Memory Alloy

... As already stated above, chemical analyses by EDS line scanning of the laser treated samples were performed in order to investigate if general or selective vaporization occurred. The EDS lines were allocated in the ...

10

Investigation of the bainitic reaction in a CuAlNiMnFe shape memory alloy

Investigation of the bainitic reaction in a CuAlNiMnFe shape memory alloy

... transformations. Our previous examinations revealed that an exothermic process occurred in the first heating scan of the betatized, quenched CuAlNiMn and CuAlNiMnFe alloys above the austenite finish (A f ) temperature. ...

5

J. Braz. Soc. Mech. Sci. & Eng.  vol.34 número especial a09v34nspe

J. Braz. Soc. Mech. Sci. & Eng. vol.34 número especial a09v34nspe

... This article deals with the dynamical response of a 2D-SMA grid that represents adaptive structures with shape memory alloy actuators. This archetypal system has SMA elements in two perpendicular ...

12

Mat. Res.  vol.18 suppl.2

Mat. Res. vol.18 suppl.2

... Selective laser melting (SLM) is an additive manufacturing process used to produce parts with complex geometries layer by layer. This rapid solidiication method allows fabricating samples in a non-equilibrium state and ...

4

Mat. Res.  vol.16 número3

Mat. Res. vol.16 número3

... 50 shape memory alloy (SMA) melt-spun ribbons was ...i-phase alloy, while the Ti 50 Ni 50 alloy remained crystalline after hydride ...

4

Mat. Res.  vol.17 suppl.1

Mat. Res. vol.17 suppl.1

... NiTi shape memory alloy (SMA) deformed by equal channel angular extrusion ...Ti-55.27wt.%Ni alloy was processed by 1 ECAE pass at 250 °C using a die with an intersection angle of ...

5

Influence of defects on the irreversible phase transition in the Fe-Pd doped with Co and Mn

Influence of defects on the irreversible phase transition in the Fe-Pd doped with Co and Mn

... [26] BONIFACICH, F.G., LAMBRI, O.A., RECARTE, V., et al., “Espectroscopía Mecánica en Aleaciones Magnéticas con Memoria de Forma de FePd dopadas con Mn y Co”, In: Proceedings of the Congreso Inter- nacional de Metalurgia ...

11

Gas Tungsten Arc Welding of Cu-Al-Mn Shape Memory Alloys

Gas Tungsten Arc Welding of Cu-Al-Mn Shape Memory Alloys

... Cu-Al-Mn shape memory alloy did not result in any significant deterioration of the overall tensile properties of the welded specimens, with the Cu-based SMA presenting excellent ...Cu-Al-Mn ...

71

Mat. Res.  vol.13 número3

Mat. Res. vol.13 número3

... Ti-Ni shape memory ...in shape memory helical springs and thermal cycling in as-treated and trained ...absent. Shape memory springs were produced and submitted to a training ...

8

J. Aerosp. Technol. Manag.  vol.7 número4

J. Aerosp. Technol. Manag. vol.7 número4

... In aeronautics, “shape morphing” has been used to identify those aircrat that undergo certain geometrical changes to enhance or adapt to their mission proiles (Sola et al. 2010). here is not an exact deinition of ...

11

Caracterização termomecânica de compósitos híbridos com memória de forma

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 ...

100

Mat. Res.  vol.13 número2

Mat. Res. vol.13 número2

... crystals shape memory alloys has been investigated by the electric resistivity (ER) measure technique coupled simultaneously during traction ...same alloy with different crystallographic orientations ...

6

Soldag. insp.  vol.18 número3

Soldag. insp. vol.18 número3

... shape were tested for laser brazing NiTi to Ti6Al4V in lap joints conigurations. This brazing alloy had already been used in other applications successfully [11,12]. Ag has a high melting point (960 ºC), ...

6

Mat. Res.  vol.15 número3

Mat. Res. vol.15 número3

... of Shape Memory Alloys (SMA) has been observed in different systems, especially the dependence of the martensitic transformation behaviour in nanostructured ...the alloy is around 40 nm 9-13 ...

6

Microstructural evolution of equal channel angular pressed AZ91D magnesium alloy during semi-solid isothermal heat treatment

Microstructural evolution of equal channel angular pressed AZ91D magnesium alloy during semi-solid isothermal heat treatment

... magnesium alloy processed by equal channel angular pressing during isothermal heat treatment at 570 ℃ was ...the alloy pressed for four passes, and the grain size was the ...and shape factor ...and ...

6

J. Braz. Chem. Soc.  vol.16 número3B

J. Braz. Chem. Soc. vol.16 número3B

... accompanied by an important increase in the specific surface area due to the change in the density and specific volume of the carbide when compared to its oxidic parent. Figure 2 shows the SEM images of the starting ...

6

Releasing systems for aerospace industry based upon Shape Memory Alloys: characterization of materials for actuators

Releasing systems for aerospace industry based upon Shape Memory Alloys: characterization of materials for actuators

... Releasing devices are engineered products of high added value, and although nowadays they are commercially available, the development of own designs is judged as a strategic aspect supporting the incipient Argentinean ...

12

Mat. Res.  vol.14 número2

Mat. Res. vol.14 número2

... The addition of boron in the dilute Fe(BCC)-C alloy should increase the non-stabilizing forces during solidification because it creates an extra solute diffusion field. Therefore one should expect an increase of ...

11

Show all 2312 documents...

temas relacionados