Zobrazeno 1 - 10
of 791
pro vyhledávání: '"γ′ phase"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 9195-9207 (2024)
The β′ and γ'' phases are both critical strengthening phases in Mg-Gd-Ag alloys, yet research on the intrinsic properties of γ'' phase is limited. This study employs first-principles calculations to assess the stability and elastic properties of
Externí odkaz:
https://doaj.org/article/6515b1e208234f819ca47d8badeedb59
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 298-317 (2024)
Through hot compression and subsequent heat treatment experiments on GH4079 superalloy, the influence of different hot deformation and heat treatment conditions on the evolution of GH4079 superalloy microstructure was studied. The evolution of grains
Externí odkaz:
https://doaj.org/article/60cc9977d265464abee6e8ac578319e2
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 2, Pp 172-179 (2024)
A γ′ phase strengthened NiCoCrFeAlTiMoW alloy was prepared in a vacuum arc melting furnace, and X-ray diffractometer (XRD), scanning electron microscope (SEM), energy dispersive spectrometer (EDS) and tensile testing machine were used to investiga
Externí odkaz:
https://doaj.org/article/669d4719af86478891bb0ea3baea2d1c
Publikováno v:
Materials & Design, Vol 241, Iss , Pp 112890- (2024)
This study examines the flow behavior and deformation mechanism of a FGH4113A superalloy with high γ′ content for different strain rates (0.01–1 s−1) at sub-solvus (1030, 1080 °C), near-solvus (1130 °C), and sup-solvus temperatures (1180 °C
Externí odkaz:
https://doaj.org/article/49fe2388a52d4530b0e2c4efa0ccae36
Autor:
Cuiping Wang, Youheng Chen, Haojun Zhuo, Wensu Cai, Yuechao Chen, Xiang Yu, Shuiyuan Yang, Yingju Li, Yuansheng Yang, Xingjun Liu
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 8143-8150 (2023)
In this study, the effects of V on the microstructure, lattice misfit, solvus temperatures, and oxidation behaviors of the Co–Ni–Al–V–Ta-based superalloys are investigated. The results show that all these alloys exhibit the γ’/γ two-phase
Externí odkaz:
https://doaj.org/article/096b173c530a4e79aaec54374d4b563c
Publikováno v:
Crystals, Vol 14, Iss 10, p 851 (2024)
To investigate the effect of the primary γ′ phase on the high-temperature endurance performance of GH4720Li superalloy, samples with different volume fractions of the primary γ′ phase were prepared by adjusting the heat treatment process. The h
Externí odkaz:
https://doaj.org/article/31b99ef3c16f46b6a772f29702923bc6
Publikováno v:
Metals, Vol 14, Iss 9, p 1074 (2024)
The thermophysical properties of superalloys are critical for the design, fabrication, and service of hot-end components in engines. In this work, the influence of microstructure on the thermophysical parameters including heat conductivity, thermal d
Externí odkaz:
https://doaj.org/article/5879fdbd58db4ace9b90b1de91831550
Akademický článek
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Akademický článek
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Publikováno v:
Cailiao gongcheng, Vol 51, Iss 9, Pp 60-66 (2023)
The effect of secondary γ' phase evolution on the creep properties of single crystal superalloy DD6 was investigated at 760℃/785 MPa and 980℃/250 MPa by FESEM and TEM. The results indicate that the secondary γ' phases in DD6 alloy with standard
Externí odkaz:
https://doaj.org/article/cc6ff5b6485440afacc6adc617b29835