Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Jinglong Qu"'
Autor:
Dan Xin, Hailiang Huang, Yanhong Yang, Guanglei Wang, Jinglong Qu, Yang Chen, Chongchong Wu, Jiankang Zhao, Yinuo Wang, Wenting Ma
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3456-3464 (2024)
The research on the hot corrosion resistance of nickel-based superalloys is critical to determining and enhancing their service life. Therefore, this study investigates the cyclic hot corrosion behavior of GH4738 alloy coated with a mixed salt (75 wt
Externí odkaz:
https://doaj.org/article/28a648749cfa43daa93d422664952f8e
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 6652-6671 (2023)
Due to the high deformation resistance and poor thermal ductility of the new cast GH4151 alloy ingots, cracks are easy to occur during cogging process. For clarifying the effects of deformation parameters on microstructural evolution and dynamic recr
Externí odkaz:
https://doaj.org/article/652e263aa54f4b60ad757158ef5c949c
Autor:
Yizhang Han, Hucheng Zhu, Jinglong Qu, Chengbin Yang, Guanglei Wang, Hua Zhang, Liang Jiang, Shuying Chen, Fanchao Meng
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 4957-4974 (2023)
GH4738 superalloy is a key material for gas turbine engines, yet its relatively poor thermoplasticity and narrow temperature range for hot working deteriorate grain structure uniformity and thereafter service performance. Employing hot compression ex
Externí odkaz:
https://doaj.org/article/dce5197786004455a7651b91a61f39a1
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 2368-2382 (2023)
In this paper, the mechanism of crack formation in VIM, ESR, and VAR of GH4151 alloy ingots is discussed. The cracks in VIM ingots are hot tearing, mainly caused by severe segregation of elements such as Nb, Ti, and Al in VIM electrodes, which promot
Externí odkaz:
https://doaj.org/article/b6b1253f84c94edf871ea5f5f3208211
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 5368-5381 (2023)
In this paper, the as-cast microstructure, microsegregation, and the kinetics of (γ+γ′) eutectic phase and Laves phase dissolution in GH4151 alloy were studied by the optical microscope (OM), scanning electron microscope (SEM), electron probe mic
Externí odkaz:
https://doaj.org/article/9763832b779b46f1bfd8b52ddc10d4d0
Autor:
Zonglin Chi, Shuai Ren, Jingbo Qiao, Jinglong Qu, Chengbin Yang, Zhuanye Xie, Wei Chen, Hua Zhang, Liang Jiang, Shuying Chen, Fanchao Meng
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 3860-3874 (2022)
Processing maps are key to guiding the thermo-mechanical processing (TMP) of superalloys. However, traditional processing maps are incapable of delimiting failure, which is an essential factor to be concerned about during the TMP of superalloys. Empl
Externí odkaz:
https://doaj.org/article/36b1b146d9da4ffe962586ecc53f3120
Publikováno v:
Results in Materials, Vol 14, Iss , Pp 100272- (2022)
The mechanical properties and distribution of microstructural parameters of GH4151 superalloy joined by inertia friction welding (IFW) were investigated in this study. Electron backscattering diffraction (EBSD) was used to characterize γ grain size,
Externí odkaz:
https://doaj.org/article/1af5c287a9f34c159fe6f6f55a134d9e
Publikováno v:
Materials, Vol 12, Iss 16, p 2575 (2019)
Herein, the hydrogen embrittlement of a heat-affected zone (HAZ) was examined using slow strain rate tension in situ hydrogen charging. The influence of hydrogen on the crack path of the HAZ sample surfaces was determined using electron back scatter
Externí odkaz:
https://doaj.org/article/bf0f7b4321b94554ac2c72ad0ddc5c1d
Publikováno v:
Materials, Vol 12, Iss 11, p 1852 (2019)
The determination of an appropriate amount of turning for superalloy ingot surfaces, in a scientific and reasonable manner, is vital to the improvement of the metallurgical quality and comprehensive performance of superalloy ingots. In the present st
Externí odkaz:
https://doaj.org/article/b5f07d0daebd46e7b7eaa362b03f778a
Publikováno v:
Materials, Vol 12, Iss 5, p 771 (2019)
Increasing the ingot size of GH4720Li superalloys makes it difficult to control their microstructure, and the withdrawal rate is an important factor in controlling and refining the microstructure of GH4720Li superalloys. In this study, GH4720Li super
Externí odkaz:
https://doaj.org/article/8268b9338c504735bdfb0c318b3545b2