Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Christofidou, KA"'
Autor:
Markanday, JFS, Carpenter, MA, Thompson, RP, Jones, NG, Christofidou, KA, Fairclough, SM, Heason, CP, Stone, HJ
The use of inoculants added to precursor powder is a method of influencing grain growth during fabrication. Niobium carbide (NbC) particles have been added to IN718 gas atomised powder for additive manufacturing via laser-blown-powder directed-energy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb09a4cccf2f7f7f71606c7c68ae05fc
https://www.repository.cam.ac.uk/handle/1810/350456.2
https://www.repository.cam.ac.uk/handle/1810/350456.2
Autor:
Markanday, JFS, Christofidou, KA, Miller, Livera, ER, Jones, NG, Pickering, EJ, Li, W, Pardhi, Y, Jones, CN, Stone, HJ
Publikováno v:
Markanday, J F S, Christofidou, K A, Miller, J R, Livera, E R, Jones, N G, Pickering, E J, Li, W, Pardhi, Y, Jones, C N & Stone, H J 2023, ' The Microstructural Evolution of CM247LC Manufactured Through Laser Powder Bed Fusion ', Metallurgical and Materials Transactions A . https://doi.org/10.1007/s11661-022-06939-0
Numerous challenges persist with the additive manufacturing of high γ′ containing Ni-based superalloys such as CM247LC. Currently, significant cracking occurs during deposition of CM247LC components using laser powder bed fusion and during post-pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf670b7ce312efb37df0b070de25393a
https://link.springer.com/10.1007/s11661-022-06939-0
https://link.springer.com/10.1007/s11661-022-06939-0
The equiatomic CrMnFeCoNi alloy exhibits many desirable properties, but its susceptibility to the formation of embrittling intermetallic phases, makes it unsuitable for structural applications at elevated temperatures. As a result, there is an intere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffc8ce9ac5e0eb1a133073880488d5fa
Degradation of the mechanical integrity of cobalt-based superalloys can occur as the carbide network is progressively oxidised during high temperature service. In this study, a heat-treatment aimed at redistributing the carbides was tested on two sim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51eaae2b1d9cba867fed1ab7e8ff244d
The almost limitless variations in potential compositions of high entropy alloys necessitates the use of computational methods when attempting to optimise for any given application. However, the accuracy of the current thermodynamic approaches common
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______109::7628007b75b9728ecfd37de0f6b777a5
https://www.repository.cam.ac.uk/handle/1810/283072
https://www.repository.cam.ac.uk/handle/1810/283072
Autor:
Christofidou, KA, Pickering, EJ, Orsatti, P, Mignanelli, PM, Slater, TJA, Stone, HJ, Jones, NG
Publikováno v:
Christofidou, K A, Pickering, E, Orsatti, P, Mignanelli, M, Slater, T, Stone, H J & Jones, N G 2018, ' On the influence of Mn on the phase stability of the CrMnxFeCoNi high entropy alloys ', Intermetallics . https://doi.org/10.1016/j.intermet.2017.09.011
The fcc phase of the equiatomic high entropy alloy, CrMnFeCoNi, has been recently shown to be unstable at temperatures below 800˚C. However, the stability of the constituent CrFeCoNi quaternary alloy, which forms the basis of many other high entropy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2384064174183ea2b18b434d62ddbd6
https://eprints.whiterose.ac.uk/156096/3/1-s2.0-S0966979517306891-main.pdf
https://eprints.whiterose.ac.uk/156096/3/1-s2.0-S0966979517306891-main.pdf
The phase evolution of an Al₀.₅CrFeCoNiCu High Entropy Alloy has been characterised following isothermal exposures between 0.1 and 1000 hours at temperatures of 700, 800 and 900˚C. The NiAl based B2 phase formed extremely quickly, within 0.1 hou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______109::98dd74893a94637fa5ba0c7d65852f4e
https://www.repository.cam.ac.uk/handle/1810/252927
https://www.repository.cam.ac.uk/handle/1810/252927
The effect of cooling rate on the microstructural evolution of Al0.5CrFeCoNiCu has been studied using differential scanning calorimetry and scanning electron microscopy. As-cast Al0.5CrFeCoNiCu contained three phases; Cr-Fe-Co-Ni solid solution dendr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______109::15d2d82337f214448a64c147eda6b03a
https://www.repository.cam.ac.uk/handle/1810/247160
https://www.repository.cam.ac.uk/handle/1810/247160
Publikováno v:
Materials Science & Technology; 20240101, Issue: Preprints
Autor:
J.F.S. Markanday, M.A. Carpenter, R.P. Thompson, N.G. Jones, K.A. Christofidou, S.M. Fairclough, C.P. Heason, H.J. Stone
In this study, the effects of NbC inoculants on the elastic properties and microstructure of laser blown powder-directed energy deposition (LBP-DED) IN718 are investigated. The addition of the NbC particles increased the volume fraction of MC-type ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a0e5697c90a0ff389c93d7385fadecb
https://www.repository.cam.ac.uk/handle/1810/346134
https://www.repository.cam.ac.uk/handle/1810/346134