Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Liu, Chengze"'
Autor:
Gaihuan Yuan, Fusen Yuan, Li Geping, Ali Muhammad, Wenbin Guo, Hengfei Gu, Liu Chengze, Fuzhou Han, Yingdong Zhang, Jie Ren
Publikováno v:
Journal of Materials Science & Technology. 98:44-50
An intermediate state of basal-type (B-type) face-centered cubic (FCC) zirconium phase is firstly reported in as-solidified pure zirconium by means of transmission electron microscopy (TEM) technique. The B-type hexagonal close-packed (HCP) to FCC ph
Autor:
Wenbin Guo, Li Geping, Liu Chengze, Muhammad Ubaid Ali, Gaihuan Yuan, Jie Ren, Fuzhou Han, Hengfei Gu, Fusen Yuan, Yingdong Zhang
Publikováno v:
Journal of Materials Science. 56:18272-18280
Transmission electron microscopy (TEM) and energy-dispersive X-ray spectroscopy have been employed for crystallographic and microstructural characterization of nano-precipitates distributed within the α-Zr matrix of the Zircaloy-4 (Zr-4) alloy. Thes
Autor:
Hengfei Gu, Fusen Yuan, Fuzhou Han, Ali Muhammad, Geping Li, Wenbin Guo, Liu Chengze, Gaihuan Yuan, Jie Ren, Yingdong Zhang
Publikováno v:
Journal of Materials Science & Technology. 81:236-239
So far, only two orientation relationships (OR) between hexagonal close-packed (HCP) (α phase) and face-centered cubic (FCC) structures in zirconium and titanium alloys have been reported. Here a new type FCC phase (named γ phase) with OR: 11 2 ¯
Autor:
Fuzhou Han, Hengfei Gu, Jie Ren, Gaihuan Yuan, Yingdong Zhang, Geping Li, Muhammad Ubaid Ali, Wenbin Guo, Liu Chengze, Fusen Yuan
Publikováno v:
Journal of Applied Crystallography. 54:982-986
Among several microstructural features found in deformed Zircaloy-4 alloy, the formation of incommensurately modulated structure (IMS) has not been studied extensively. In this study, an IMS zone in the α-Zr matrix of forged Zircaloy-4 alloy was inv
Autor:
Wenbin Guo, Songquan Wu, Liu Chengze, Yingdong Zhang, Fuzhou Han, Fusen Yuan, Jie Ren, Hengfei Gu, Muhammad Ubaid Ali, Jieli Shen, Geping Li, Lifeng Zhang
Publikováno v:
Applied Nanoscience. 11:1549-1564
Alloys strengthened by nanometer-sized Laves phases have been used as structural components working in corrosive environments at high temperatures owing to the favorable physical and chemical properties of Laves phases. However, due to the small size
Autor:
Wenbin Guo, Fuzhou Han, Muhammad Ubaid Ali, Jie Ren, Liu Chengze, Hengfei Gu, Yingdong Zhang, Geping Li, Fusen Yuan, Gaihuan Yuan
Publikováno v:
Journal of Materials Science. 56:11164-11173
The role of grain boundary (GB) migration in producing stacking faults (SFs) in nanosized C15 structured ZrFe2 Laves phase precipitate was studied by transmission electron microscopy (TEM). Results revealed that the interaction between the studied se
Autor:
Ali Muhammad, Jie Ren, Fuzhou Han, Fusen Yuan, Liu Chengze, Yingdong Zhang, Hengfei Gu, Wenbin Guo, Geping Li
Publikováno v:
Journal of Materials Science. 56:2631-2637
Distinctive thermal-induced prismatic-type face-centered cubic zirconium phases (named γ phase) were firstly reported in pure zirconium. Atomic insight was provided into the α/γ interface and structure of interfacial misfit dislocations. Furthermo
Autor:
Liu Chengze, Hengfei Gu, Geping Li, Muhammad Ubaid Ali, Fusen Yuan, Wenbin Guo, Fuzhou Han, Yingdong Zhang
Publikováno v:
Scripta Materialia. 185:170-174
Unique precipitations with core-shell structure between metal and intermetallics were firstly observed in zirconium based alloy. The spherical core structure was identified as tetragonal Zr3Ge nanoprecipitate, and the shell structure was determined t
Autor:
Liu Chengze, Fuzhou Han, Hengfei Gu, Fusen Yuan, Muhammad Ubaid Ali, Geping Li, Wenbin Guo, Yingdong Zhang
Publikováno v:
Journal of Materials Science & Technology. 47:68-75
Corrosion resistance of Zircaloy-4 alloy tube in superheated steam at 673 K/10.3 MPa is anisotropic. A part of the surface undergoes uniform corrosion while the other suffers nodular corrosion. Narrow and wide nodules are observed after an exposure p
Autor:
Wenbin Guo, Geping Li, Hengfei Gu, Fusen Yuan, Yingdong Zhang, Ali Muhammad, Liu Chengze, Fuzhou Han
Publikováno v:
Journal of Applied Crystallography. 53:222-225
The C14 (hexagonal close-packed) and C15 (face-centred cubic) close-packed structures are found to coexist in an individual Zr(Fe,Cr)2 Laves structured nanophase in Zircaloy-4 alloy with shear deformation. The orientation relationship between C15 and