Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated
This work deals with structural, electrical and mechanical characterization of Ti‒50.13Ni and Ti‒49.62Ni (at.%) shape memory alloys (SMAs) fabricated at different circumferential wheel velocities. The effect of wheel velocity, chemical composition and heat treatments are investigated. The characteri...
| Autores principales: | , , , , , |
|---|---|
| Formato: | Artículo |
| Lenguaje: | inglés |
| Publicado: |
2016
|
| Acceso en línea: | http://eprints.uanl.mx/14810/1/37.pdf |
| _version_ | 1824414148641947648 |
|---|---|
| author | Cuéllar, Enrique López Mendoza, Esaú Nuñez Araújo, Carlos José de Walle López, Beatriz Cristina Otubo, Jorge González, Cezar Henrique |
| author_facet | Cuéllar, Enrique López Mendoza, Esaú Nuñez Araújo, Carlos José de Walle López, Beatriz Cristina Otubo, Jorge González, Cezar Henrique |
| author_sort | Cuéllar, Enrique López |
| collection | Repositorio Institucional |
| description | This work deals with structural, electrical and mechanical characterization of Ti‒50.13Ni and Ti‒49.62Ni (at.%) shape memory alloys (SMAs) fabricated at different circumferential wheel velocities. The effect of wheel velocity, chemical composition and heat treatments are investigated. The characterization of crystallographic phases of the Ti‒Ni ribbons was carried out using X-ray
diffraction. Electrical resistance variations as function of temperature (∆R/R %) were analyzed using a non-commercial technique, which consists in a thermal-adjustable bath apparatus revealing the temperatures of B2→R→B19´ two stage transformation, whereby the presence of R‒phase can be definitively confirmed. The Stress-Assisted Two-Way Memory Effect was measured by an own
designed apparatus with an Linear Variable Differential Transformer captor and a current controlled heating, and results indicate that the as-spun condition, promotes the Stress-Assisted Two-Way Memory Effect. On the other hand, increments in Ni content tend to decrease transformation temperatures and high wheel velocities help to the R‒phase formation. |
| format | Article |
| id | eprints-14810 |
| institution | UANL |
| language | English |
| publishDate | 2016 |
| record_format | eprints |
| spelling | eprints-148102024-03-05T17:27:00Z http://eprints.uanl.mx/14810/ Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated Cuéllar, Enrique López Mendoza, Esaú Nuñez Araújo, Carlos José de Walle López, Beatriz Cristina Otubo, Jorge González, Cezar Henrique This work deals with structural, electrical and mechanical characterization of Ti‒50.13Ni and Ti‒49.62Ni (at.%) shape memory alloys (SMAs) fabricated at different circumferential wheel velocities. The effect of wheel velocity, chemical composition and heat treatments are investigated. The characterization of crystallographic phases of the Ti‒Ni ribbons was carried out using X-ray diffraction. Electrical resistance variations as function of temperature (∆R/R %) were analyzed using a non-commercial technique, which consists in a thermal-adjustable bath apparatus revealing the temperatures of B2→R→B19´ two stage transformation, whereby the presence of R‒phase can be definitively confirmed. The Stress-Assisted Two-Way Memory Effect was measured by an own designed apparatus with an Linear Variable Differential Transformer captor and a current controlled heating, and results indicate that the as-spun condition, promotes the Stress-Assisted Two-Way Memory Effect. On the other hand, increments in Ni content tend to decrease transformation temperatures and high wheel velocities help to the R‒phase formation. 2016 Article PeerReviewed text en cc_by_nc_nd http://eprints.uanl.mx/14810/1/37.pdf http://eprints.uanl.mx/14810/1.haspreviewThumbnailVersion/37.pdf Cuéllar, Enrique López y Mendoza, Esaú Nuñez y Araújo, Carlos José de y Walle López, Beatriz Cristina y Otubo, Jorge y González, Cezar Henrique (2016) Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated. Materials Research, 19 (3). pp. 580-587. ISSN 1516-1439 http://doi.org/10.1590/1980-5373-MR-2016-0022 doi:10.1590/1980-5373-MR-2016-0022 |
| spellingShingle | Cuéllar, Enrique López Mendoza, Esaú Nuñez Araújo, Carlos José de Walle López, Beatriz Cristina Otubo, Jorge González, Cezar Henrique Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated |
| thumbnail | https://rediab.uanl.mx/themes/sandal5/images/online.png |
| title | Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated |
| title_full | Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated |
| title_fullStr | Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated |
| title_full_unstemmed | Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated |
| title_short | Effect of Spun Velocities and Composition on the R‒phase and Thermomechanical Behavior in Ti‒Ni Ribbons Electrically Heated |
| title_sort | effect of spun velocities and composition on the r phase and thermomechanical behavior in ti ni ribbons electrically heated |
| url | http://eprints.uanl.mx/14810/1/37.pdf |
| work_keys_str_mv | AT cuellarenriquelopez effectofspunvelocitiesandcompositionontherphaseandthermomechanicalbehaviorintiniribbonselectricallyheated AT mendozaesaununez effectofspunvelocitiesandcompositionontherphaseandthermomechanicalbehaviorintiniribbonselectricallyheated AT araujocarlosjosede effectofspunvelocitiesandcompositionontherphaseandthermomechanicalbehaviorintiniribbonselectricallyheated AT wallelopezbeatrizcristina effectofspunvelocitiesandcompositionontherphaseandthermomechanicalbehaviorintiniribbonselectricallyheated AT otubojorge effectofspunvelocitiesandcompositionontherphaseandthermomechanicalbehaviorintiniribbonselectricallyheated AT gonzalezcezarhenrique effectofspunvelocitiesandcompositionontherphaseandthermomechanicalbehaviorintiniribbonselectricallyheated |