Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing
Traditional manufacturing methods for Ti–Ni–Cu alloy are casting and powder metallurgy with the disadvantages such as high cost and long periods. In this study, Ti–Ni–Cu alloys are fabricated by treble-wire arc additive manufacturing (T-WAAM), a new technology with short periods, using pure Ti, pure...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2025-12-01
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| Series: | Virtual and Physical Prototyping |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/17452759.2024.2438880 |
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| author | Peng Yu Zhetao Liang Xinya Chen Hengsheng Ma Mingfu Shao Jian Han Yinbao Tian |
| author_facet | Peng Yu Zhetao Liang Xinya Chen Hengsheng Ma Mingfu Shao Jian Han Yinbao Tian |
| author_sort | Peng Yu |
| collection | DOAJ |
| description | Traditional manufacturing methods for Ti–Ni–Cu alloy are casting and powder metallurgy with the disadvantages such as high cost and long periods. In this study, Ti–Ni–Cu alloys are fabricated by treble-wire arc additive manufacturing (T-WAAM), a new technology with short periods, using pure Ti, pure Ni and pure Cu wires as raw materials. The results show that with an increase of Cu content from 5 at.% to 25 at.%, the phase transition temperature increases sharply from 30°C to 62°C. The ultimate tensile strength of Ti50Ni45Cu5, Ti50Ni35Cu15 and Ti50Ni25Cu25 is 248.2 ± 4.6 MPa, 534.8 ± 3.7 MPa and 261.8 ± 4.2 MPa, respectively. Their strain is 1.71 ± 0.31%, 6.42 ± 0.33% and 3.36 ± 0.37%, respectively. Their fracture mode is a brittle fracture. This study indicates that T-WAAM technology with in-situ alloying is feasible to fabricate the Ti–Ni–Cu alloys. |
| format | Article |
| id | doaj-art-7d11faed9a8040cd9d4a0a5bea011afe |
| institution | Kabale University |
| issn | 1745-2759 1745-2767 |
| language | English |
| publishDate | 2025-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Virtual and Physical Prototyping |
| spelling | doaj-art-7d11faed9a8040cd9d4a0a5bea011afe2025-02-02T18:17:51ZengTaylor & Francis GroupVirtual and Physical Prototyping1745-27591745-27672025-12-0120110.1080/17452759.2024.2438880Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturingPeng Yu0Zhetao Liang1Xinya Chen2Hengsheng Ma3Mingfu Shao4Jian Han5Yinbao Tian6Engineering Technology Training Center, Nanjing Vocational University of Industry Technology, Nanjing, ChinaSchool of Materials Science and Engineering, Tianjin University of Technology, Tianjin, ChinaSchool of Materials Science and Engineering, Tianjin University of Technology, Tianjin, ChinaTianjin Bridge Welding Materials Group Co., Ltd., Tianjin, People’s Republic of ChinaJilin Guangchao Nondestructive Testing Co., Ltd., Changchun, People’s Republic of ChinaSchool of Materials Science and Engineering, Tianjin University of Technology, Tianjin, ChinaSchool of Materials Science and Engineering, Tianjin University of Technology, Tianjin, ChinaTraditional manufacturing methods for Ti–Ni–Cu alloy are casting and powder metallurgy with the disadvantages such as high cost and long periods. In this study, Ti–Ni–Cu alloys are fabricated by treble-wire arc additive manufacturing (T-WAAM), a new technology with short periods, using pure Ti, pure Ni and pure Cu wires as raw materials. The results show that with an increase of Cu content from 5 at.% to 25 at.%, the phase transition temperature increases sharply from 30°C to 62°C. The ultimate tensile strength of Ti50Ni45Cu5, Ti50Ni35Cu15 and Ti50Ni25Cu25 is 248.2 ± 4.6 MPa, 534.8 ± 3.7 MPa and 261.8 ± 4.2 MPa, respectively. Their strain is 1.71 ± 0.31%, 6.42 ± 0.33% and 3.36 ± 0.37%, respectively. Their fracture mode is a brittle fracture. This study indicates that T-WAAM technology with in-situ alloying is feasible to fabricate the Ti–Ni–Cu alloys.https://www.tandfonline.com/doi/10.1080/17452759.2024.2438880Ni–Ti–Cu alloywire arc additive manufacturingmicrostructureproperties |
| spellingShingle | Peng Yu Zhetao Liang Xinya Chen Hengsheng Ma Mingfu Shao Jian Han Yinbao Tian Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing Virtual and Physical Prototyping Ni–Ti–Cu alloy wire arc additive manufacturing microstructure properties |
| title | Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing |
| title_full | Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing |
| title_fullStr | Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing |
| title_full_unstemmed | Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing |
| title_short | Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing |
| title_sort | microstructure and properties of ni ti cu alloy fabricated in situ by treble wire arc additive manufacturing |
| topic | Ni–Ti–Cu alloy wire arc additive manufacturing microstructure properties |
| url | https://www.tandfonline.com/doi/10.1080/17452759.2024.2438880 |
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