Zobrazeno 1 - 10
of 208
pro vyhledávání: '"Ni-based single crystal superalloys"'
Autor:
XING Yifeng, YIN Aobo, GENG Lilun, YANG Fan, RU Yi, ZHAO Wenyue, PEI Yanling, LI Shusuo, GONG Shengkai
Publikováno v:
Journal of Aeronautical Materials, Vol 44, Iss 5, Pp 70-85 (2024)
As the turbine inlet temperatures of aero engines continue to rise， there is an urgent need to develop a new generation of single-crystal superalloys and their thermal protective coatings for turbine blades. In order to meet the stringent requireme
Externí odkaz:
https://doaj.org/article/031a6eeca5684e6485cf036226bd92c1
Autor:
Jiawei Kou, Kai Chen, Shaoqi Huang, Chongpu Zhai, Ching-Yu Chiang, Sisheng Wang, Zhijun Li, Yan-Dong Wang
Publikováno v:
Materials Research Letters, Vol 12, Iss 6, Pp 450-458 (2024)
Coherent precipitation, a common strengthening approach, is typically subjected to spatial non-uniformity due to microscopic segregation, leading to multi-scale stress heterogeneity. Such heterogeneity remains poorly characterized because unavailable
Externí odkaz:
https://doaj.org/article/de5fabb4b42c444abcc14cd910f5fe46
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 2999-3010 (2024)
Ni-based single-crystal superalloys are normally prepared by directional solidification. Due to different solidification sequences, Ni-based single-crystal superalloys exhibit a typical dendritic arm structure, and the element segregation in the dend
Externí odkaz:
https://doaj.org/article/c87e6e62a9994774bc687581673a8fa2
Publikováno v:
Materials Research Letters, Vol 12, Iss 2, Pp 116-124 (2024)
The traditional view holds that the dominant deformation mechanism of Ni-based single crystal superalloys at intermediate temperatures (both in tension and creep) is stacking fault shearing γ’ phases. Here, we provide direct evidence to prove that
Externí odkaz:
https://doaj.org/article/5d332ae770ba4380bcb6fda2d712168a
Publikováno v:
Materials & Design, Vol 237, Iss , Pp 112582- (2024)
The nucleation and growth of topologically close-packed (TCP) phases in Ni-based single crystal superalloys (SCs) are controlled by composition, temperature, time, interface structure and stress. The formation of TCP phases causes detrimental effects
Externí odkaz:
https://doaj.org/article/49765e4011b448fd9c939433de7170ee
Autor:
Yuan Cheng, Xinbao Zhao, Wanshun Xia, Quanzhao Yue, Yuefeng Gu, Xiao Wei, Hongbin Bei, Yingying Dang, Ze Zhang
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 2672-2681 (2022)
The microstructural stability during thermal exposure at 900 °C of Ni-based single crystal superalloys with various Mo content was investigated. The coarsening of γ′ precipitates and formation of TCP (topologically close-packed) phases were discu
Externí odkaz:
https://doaj.org/article/0974800d7804433ea19f2c2459172921
Akademický článek
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Akademický článek
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Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 5144-5160 (2022)
Molecular dynamics simulations are carried out to investigate the effects of rhenium (Re) on low cycle fatigue behaviors and deformation mechanisms of Ni-based single crystal superalloys. The low cycle fatigue behaviors and deformation mechanisms at
Externí odkaz:
https://doaj.org/article/485f29afe9014934bf11bf34dc2ec7c7