Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Xujun Mi"'
Autor:
Lue Huang, Lijun Peng, Jiang Li, Xujun Mi, Gang Zhao, Haofeng Xie, Wenjing Zhang, Hefeng Yuan, Zhen Yang
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 6503-6510 (2023)
Cu–Ti alloys are candidates for replacing Cu–Be alloys owing to their excellent mechanical properties, bending properties, and stress relaxation resistance. However, the precipitation behavior of Cu–Ti alloys remains poorly understood. In this
Externí odkaz:
https://doaj.org/article/740c4e5e46d74b27ba3eb93c4d5a50b2
Publikováno v:
Materials & Design, Vol 235, Iss , Pp 112445- (2023)
The precipitation strengthening can significantly increase the strength but inevitably sacrifices the electrical conductivity of Cu-Ni-Sn alloys. In this study, a Cu-9Ni-6Sn alloy was aged at various temperatures for different durations and then subj
Externí odkaz:
https://doaj.org/article/6a2e0d33caf54b569fbd13c14b38ce97
Publikováno v:
Materials, Vol 16, Iss 4, p 1545 (2023)
This paper investigates the changes in the interface organization and properties of 0.10 mm Pd/Al composite wires annealed at different temperatures. The optimum comprehensive performance of the material was obtained after annealing at 300 °C for 12
Externí odkaz:
https://doaj.org/article/cc111b62c7524786876ae0634bb01945
Autor:
Gaolei Xu, Yunqing Zhu, Lijun Peng, Haofeng Xie, Zengde Li, Shuhui Huang, Zhen Yang, Wenjing Zhang, Xujun Mi
Publikováno v:
Materials, Vol 15, Iss 23, p 8441 (2022)
The relationship between microstructure evolution and properties of a Cu-Cr-Sn alloy during aging and high-temperature softening was investigated in detail in the present work. The results show that the addition of Sn refines obviously the size of th
Externí odkaz:
https://doaj.org/article/1222115d89444f7b981a0eb31572bc06
Publikováno v:
Materials, Vol 15, Iss 22, p 8042 (2022)
Cu-Ti alloys were strengthened by β’-Cu4Ti metastable precipitation during aging. With the extension of the aging time, the β’-Cu4Ti metastable phase transformed into the equilibrium β-Cu4Ti phase. The Cu-3.5 wt% Ti(Cu-4.6 at% Ti) alloys with
Externí odkaz:
https://doaj.org/article/ee99a84e88264ce3a42dccd7c4fff175
Autor:
Zheng Wang, Jiang Li, Yi Zhang, Chuanming Lv, Ting Li, Jiaqi Zhang, Songxiao Hui, Lijun Peng, Guojie Huang, Haofeng Xie, Xujun Mi
Publikováno v:
Materials, Vol 15, Iss 7, p 2570 (2022)
As it is known, beryllium bronze, an important copper alloy, is widely used in the field of aerospace. Since the performance of domestic and imported beryllium bronze alloys have obvious differences, domestic beryllium bronze QBe2.0 and imported C172
Externí odkaz:
https://doaj.org/article/794b1b9895594f5abd0701e46302155f
Autor:
Zheng Wang, Jiang Li, Zhuangzhuang Fan, Yi Zhang, Songxiao Hui, Lijun Peng, Guojie Huang, Haofeng Xie, Xujun Mi
Publikováno v:
Materials, Vol 14, Iss 8, p 1996 (2021)
The properties and microstructure evolution of quaternary Cu-Ni-Co-Si alloys with different Ni/Co mass ratios were investigated. The microstructure and morphological characteristics of the precipitates were analyzed by using electron backscatter diff
Externí odkaz:
https://doaj.org/article/0cc97e942d51433097bb4a8a6a843c97
Publikováno v:
Materials, Vol 13, Iss 23, p 5386 (2020)
Cu–Cr-based alloys exhibit excellent electrical conductivity and strength, but their poor thermal stability limits their application in industry. In this paper, Cu–0.2Cr (at. %) and Cu–0.2Cr–0.12Ag (at. %) alloys were prepared to study the ef
Externí odkaz:
https://doaj.org/article/266e4955235f4bb2a17adcdda1456d17
Publikováno v:
Materials, Vol 13, Iss 20, p 4563 (2020)
The size (grain size and specimen size) effect makes traditional macroscopic forming technology unsuitable for a microscopic forming process. In order to investigate the size effect on mechanical properties and deformation behavior, pure copper wires
Externí odkaz:
https://doaj.org/article/85bbe7925b23445384fa107ea7230a0e
Publikováno v:
Materials, Vol 13, Iss 9, p 2042 (2020)
The Cu-1.7Ni-1.4Co-0.65Si (wt%) alloy is hot compressed by a Gleeble-1500D machine under a temperature range of 760 to 970 °C and a strain rate range of 0.01 to 10 s−1. The flow stress increases with the extension of strain rate and decreases with
Externí odkaz:
https://doaj.org/article/bdeab4f8b30649dc80b754b18abdbfd3