Zobrazeno 1 - 10
of 579
pro vyhledávání: '"Columnar to Equiaxed transition"'
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3489-3508 (2024)
In the present work, the impact of hot top geometry and thermal history on the Columnar-to-Equiaxed Transition (CET) point, of a 12 MT steel ingot was determined using finite element modeling. Experimental validation of the model was conducted on an
Externí odkaz:
https://doaj.org/article/6ea1b4a375f94c868b662e13e12f43f1
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8563-8575 (2024)
Laser cladding is a promising surface modification and repair technology for fabricating Inconel 718 parts. However, laser cladding may produce coarse grains and brittle Laves phase, leading to a significant decrease in performance. The application o
Externí odkaz:
https://doaj.org/article/094661eba54e4bacbadcea8c50a117fb
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2488-2503 (2024)
This paper introduces and examines a new generation of chillers for judicious control of the solidification structure of cast metals and alloys. This innovative chiller makes use of the absorption of the latent heat of melting of a Phase Change Mater
Externí odkaz:
https://doaj.org/article/0f02f023abcd411189282adad6f100dc
Publikováno v:
Crystals, Vol 14, Iss 7, p 638 (2024)
During the solidification process, microstructures are affected by the experimental conditions, the thermophysical characteristics of the alloy, and the type of grain-refining particles. Unidirectional solidification experiments were performed in a v
Externí odkaz:
https://doaj.org/article/0007bd7c987842219a473a2b01ad35f5
Autor:
Wenjie Zhao, Yonggang Sun, Pengcheng Che, Zhiliang Ning, Hongbo Fan, Haiyan Yang, Jianfei Sun, Peter K. Liaw, Alfonso H.W. Ngan, Yongjiang Huang
Publikováno v:
Materials & Design, Vol 237, Iss , Pp 112538- (2024)
Understanding and revealing the evolution mechanism of the columnar to equiaxed transition (CET) that occurred in the medium-entropy alloys (MEAs) fabricated by laser directed energy deposition (LDED) is crucial for achieving the tunable microstructu
Externí odkaz:
https://doaj.org/article/1dd8c86e91b14592af6e239c9eb88971
Publikováno v:
Virtual and Physical Prototyping, Vol 18, Iss 1 (2023)
This work studied the effects of an on-line static magnetic field on the defects, microstructures, and mechanical properties of AlSi7Mg samples fabricated by laser powder bed fusion (LPBF). Process experiments were carried out on a self-developed LPB
Externí odkaz:
https://doaj.org/article/1d4bd58b5a3349c98dab25c6a9824388
Publikováno v:
Materials, Vol 17, Iss 11, p 2631 (2024)
This research investigated the relationship between volume energy density and the microstructure, density, and mechanical properties of the Ti-5Al-5Mo-3V-1Cr-1Fe alloy fabricated via the SLM process. The results indicate that an increase in volume en
Externí odkaz:
https://doaj.org/article/e1947666127f4f209339580ee1360afa
Autor:
Xingyu Pan, Chunlei Qiu
Publikováno v:
Materials Research Letters, Vol 10, Iss 12, Pp 788-796 (2022)
The 5 at% Cr3C2 particles were mixed with AlCoCrFeNi high entropy alloy powder particles and then selectively laser melted. The addition caused full columnar-to-equiaxed grain transition (CET) and significant grain refinement. The inter-dendritic reg
Externí odkaz:
https://doaj.org/article/78b50ab19e0d4ca89749463c6f7013c7
Autor:
Xu Chen, Chunlei Qiu
Publikováno v:
Micromachines, Vol 15, Iss 1, p 104 (2024)
Additive manufacturing of titanium alloys usually ends up with large columnar grains due to the steep thermal gradients within melt pools during solidification. In this study, ZrN particles were added into a beta titanium alloy, Ti-10V-2Fe-3Al, with
Externí odkaz:
https://doaj.org/article/cd835fd85ba24b52bca23165bb06e88e
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.