Cutting NiTi with Femtosecond Laser
Superelastic shape memory alloys are difficult to machine by thermal processes due to the facility for Ti oxidation and by mechanical processes due to their superelastic behavior. In this study, femtosecond lasers were tested to analyze the potential for machining NiTi since femtosecond lasers allow...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2013/198434 |
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| _version_ | 1832550063234088960 |
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| author | L. Quintino L. Liu R. M. Miranda R. J. C. Silva A. Hu Y. Zhou |
| author_facet | L. Quintino L. Liu R. M. Miranda R. J. C. Silva A. Hu Y. Zhou |
| author_sort | L. Quintino |
| collection | DOAJ |
| description | Superelastic shape memory alloys are difficult to machine by thermal processes due to the facility for Ti oxidation and by mechanical processes due to their superelastic behavior. In this study, femtosecond lasers were tested to analyze the potential for machining NiTi since femtosecond lasers allow nonthermal processing of materials by ablation. The effect of processing parameters on machining depth was studied, and material removal rates were computed. Surfaces produced were analyzed under SEM which shows a resolidified thin layer with minimal heat affected zones. However, for high cutting speeds, that is, for short interaction times, this layer was not observed. A depletion of Ni was seen which may be beneficial in biomedical applications since Ni is known to produce human tissue reactions in biophysical environments. |
| format | Article |
| id | doaj-art-54b0b57da42c465886b5d13b969d1b1f |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-54b0b57da42c465886b5d13b969d1b1f2025-02-03T06:07:48ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422013-01-01201310.1155/2013/198434198434Cutting NiTi with Femtosecond LaserL. Quintino0L. Liu1R. M. Miranda2R. J. C. Silva3A. Hu4Y. Zhou5IST-UTL Instituto Superior Técnico, Universidade Técnica de Lisboa, Avenida Rovisco Pais, 1049-001 Lisboa, PortugalDepartment of Mechanical Engineering, Tsinghua University, Beijing 100084, ChinaUNIDEMI, Departamento de Engenharia Mecânica e Industrial, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, PortugalCENIMAT/I3N, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, PortugalDepartment of Mechanical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, CanadaDepartment of Mechanical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, CanadaSuperelastic shape memory alloys are difficult to machine by thermal processes due to the facility for Ti oxidation and by mechanical processes due to their superelastic behavior. In this study, femtosecond lasers were tested to analyze the potential for machining NiTi since femtosecond lasers allow nonthermal processing of materials by ablation. The effect of processing parameters on machining depth was studied, and material removal rates were computed. Surfaces produced were analyzed under SEM which shows a resolidified thin layer with minimal heat affected zones. However, for high cutting speeds, that is, for short interaction times, this layer was not observed. A depletion of Ni was seen which may be beneficial in biomedical applications since Ni is known to produce human tissue reactions in biophysical environments.http://dx.doi.org/10.1155/2013/198434 |
| spellingShingle | L. Quintino L. Liu R. M. Miranda R. J. C. Silva A. Hu Y. Zhou Cutting NiTi with Femtosecond Laser Advances in Materials Science and Engineering |
| title | Cutting NiTi with Femtosecond Laser |
| title_full | Cutting NiTi with Femtosecond Laser |
| title_fullStr | Cutting NiTi with Femtosecond Laser |
| title_full_unstemmed | Cutting NiTi with Femtosecond Laser |
| title_short | Cutting NiTi with Femtosecond Laser |
| title_sort | cutting niti with femtosecond laser |
| url | http://dx.doi.org/10.1155/2013/198434 |
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