Zobrazeno 1 - 10
of 4 241
pro vyhledávání: '"nickel-based superalloy"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7990-8001 (2024)
The GH4738 nickel-based superalloy exhibits exceptional overall performance at high temperatures. However, its high deformation resistance, narrow hot working window, and complex microstructural evolution pose significant challenges to plastic deform
Externí odkaz:
https://doaj.org/article/ab92ca1edee5412baaa3fbd8329a7905
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 244-247 (2024)
A carbide strengthened wrought Ni-based superalloy is developed. The alloy depends on carbide dispersion strengthening. A high deformation plasticity in homogeneous alloy is shown in the 1100–1200 °C isothermal compression test and the improvement
Externí odkaz:
https://doaj.org/article/5db2f7bfd0a0475096fbd1e2441df657
Publikováno v:
Materials Research Letters, Vol 12, Iss 11, Pp 834-842 (2024)
The flow behavior and deformation mechanisms of the [001]-oriented single-crystal nickel-based superalloy PWA1483 are investigated under quasi-static compressive and tensile loading conditions at 750°C. We found that the tensile yield strength is la
Externí odkaz:
https://doaj.org/article/285aac15d7e145e293ab05bf1d3c9e17
Publikováno v:
工程科学学报, Vol 46, Iss 12, Pp 2207-2216 (2024)
Nickel-based superalloys exhibit excellent high strength and thermal fatigue resistance at 650 ℃, making them widely used for manufacturing elevated-temperature components such as turbine blades for aero-engines. Laser-powder bed fusion (L-PBF) is
Externí odkaz:
https://doaj.org/article/952045d3977f4098bf46586578297d63
Publikováno v:
Teshugang, Vol 45, Iss 4, Pp 124-130 (2024)
The effects of powder particle size， powder treatment technology and powder treatment environment on oxygen content of FGH95 alloy were studied by chemical composition analysis， scanning electron microscope， transmission electron microscope （
Externí odkaz:
https://doaj.org/article/e9c341b49b3c4e0f90083a44f2447dab
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 6, Pp 167-176 (2024)
The combination of thermodynamic calculation and machine learning was used to reverse design nickel-based superalloys for thermodynamic performance requirements. The results show that the thermodynamic calculation dataset of nickel-based superalloys
Externí odkaz:
https://doaj.org/article/f1aedaa191bd4466bd459d0560097f43
Autor:
Zhiming Fan, Weidong Xuan, Houfan Cao, Xiongjin Zhu, Leixin Duan, Jun Bao, Hansong Li, Baojun Wang, Zhongming Ren
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7675-7683 (2024)
In this paper, the effects of hot isostatic pressing (HIP) and heat treatment (HT) on the stress rupture properties of nickel-based superalloy K417G were investigated. Scanning electron microscopy (SEM), electron backscatter diffraction (EBSD) and tr
Externí odkaz:
https://doaj.org/article/8a1525deb2a449b39387e436f7a553fe
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6341-6354 (2024)
Mar-M247 is widely used in several fields as a material with excellent overall performance at high temperatures. However, its complex fabrication process and extremely poor weldability make it very difficult to repair and fabricate. In this study, a
Externí odkaz:
https://doaj.org/article/0bb0e99a0c1c4e42bdc66aa8297a3430
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 1518-1530 (2024)
The freckle formation and distribution in large-size directional solidified nickel-based superalloy blades at different withdrawal rates were investigated. The microstructure of freckles was analyzed by optical microscope (OM), and scanning electron
Externí odkaz:
https://doaj.org/article/6e7153e2513c4a4381c5724594256fb2
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 4, Pp 120-126 (2024)
The effect of different solution temperatures (1140, 1160 ℃ and 1180 ℃) and cooling conditions (AC, FC-900 ℃+AC, FC) on the microstructures and mechanical properties of K439B alloy were investigated using metallographic microscopy and field emi
Externí odkaz:
https://doaj.org/article/eb342b2984ee473b84c773491db5d042