Zobrazeno 1 - 10
of 4 209
pro vyhledávání: '"superelasticity"'
Publikováno v:
Materials Research Letters, Vol 12, Iss 10, Pp 727-736 (2024)
In most Ni-free Ti-Nb- and Ti-Zr-based superelastic alloys, large amounts of high-cost and rare elements such as Nb, Ta, Hf and/or Zr are contained, increasing the cost and fabrication difficulty of the alloy. Here, new low-alloy content Ti-Mo-Zr-Sn-
Externí odkaz:
https://doaj.org/article/b66127ce193844e590fe5e55b16b73df
Autor:
Xin Jin, Jian Li, Jie Yang, Xiaochuan Wang, Sen Na, Mingchao Zhang, Hetong Xu, Xiaohua Tian, Wenbing Zhao, Haipo Zhang, Changlong Tan
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 77-85 (2024)
Superelasticity of shape memory alloy associated with the martensitic transformation is extremely attractive for applications in sensors and biomedical. This application requires narrow stress hysteresis to reduce energy dissipation and a stable supe
Externí odkaz:
https://doaj.org/article/edaed53430c740fea8183c15110e5d6d
Publikováno v:
Materials Research Letters, Vol 12, Iss 9, Pp 678-687 (2024)
We report unique two-step strain glass transition toward different local strain states in NiTi, i.e. R and B19′ strain glasses. This unique transition is evidenced by dynamic mechanical analysis and in-situ HR-TEM. A comprehensive phase diagram is
Externí odkaz:
https://doaj.org/article/c629253c449c4264a0b150880e20cf68
Autor:
Haosen Yuan, Wenbin Zhao, Hangyuan Zhang, Zhihang Fan, Xiaohua Tian, Kun Zhang, Changlong Tan
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 9592-9600 (2024)
The discovery of the Mg–Sc shape memory alloy system has become a milestone in the development of lightweight shape memory alloys. However, for the application scenarios with the highest demand at room temperature, the Mg–Sc alloy faces problems
Externí odkaz:
https://doaj.org/article/f3ec1acc57ac46518f5210ae256b9ab1
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 1044-1055 (2024)
In this study, a Ni50.4Ti49.6 shape memory alloy (SMA) was fabricated by selective laser melting (SLM), and it is found that heat treatments were effective to change the phase transformation behavior, microstructure, and superelasticity under compres
Externí odkaz:
https://doaj.org/article/a5359ad72d2a4502bfc87e989ca39a50
Autor:
Chengchuang Tao, Ge Zhou, Hongjun Huang, Chunzhe Fu, Bowen Zheng, Xiaojiao Zuo, Lijia Chen, Xiaoguang Yuan
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 4146-4150 (2024)
In this work, an abnormal phenomenon of the superelastic cycle in NiTi alloy with R phase is reported. The phase transformation of the 500°C-annealed-sample is B2-R-B19'. During the first superelastic cycle, the critical stress of stress-induced mar
Externí odkaz:
https://doaj.org/article/07c87835261543228406ed0da05d5d9a
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 950-957 (2024)
With the development of the equipment manufacturing industry towards the direction of intelligence, the demand for the use of intelligent materials is increasing, and high-performance shape memory alloy (SMA) products are getting more and more attent
Externí odkaz:
https://doaj.org/article/0191570a29b24b7e87edb290d61a4fa5
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
Inspired by the property mechanism principles of C. squamiferum (impact resistance) and bamboo (energy absorption), a bionic bidirectional gradient NiTi alloy was developed and fabricated by the innovative time-varying deposition strategy (TVDS), inc
Externí odkaz:
https://doaj.org/article/45c405a899cc437a836218b78b03f2a7
Autor:
Ze Pu, Changyong Chen, Dong Du, Rui Xi, Hao Jiang, Kaiming Wang, Liying Sun, Xiebin Wang, Baohua Chang
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTThe low-temperature aging treatment at 250°C can significantly improve the tensile superelasticity of NiTi alloys fabricated by electron beam directed energy deposition (EB-DED). However, it requires a very long aging duration (up to 200 h)
Externí odkaz:
https://doaj.org/article/4d6e6ffd96324ad5a06b4cfdd5522e27
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