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pro vyhledávání: '"Martin Bäker"'
Autor:
Martin Bäker
Publikováno v:
Materials Research Express, Vol 10, Iss 3, p 036503 (2023)
The design of nickelbase superalloys requires to tune the content of different phases with a composition of Ni _3 A, either to strengthen the alloy ( $\gamma ^{\prime} $ -phase, Ni _3 Al, γ ″-phase, Ni _3 Nb) or to influence its grain size and avo
Externí odkaz:
https://doaj.org/article/56ad1bb3eac4471aa536fa481e81f25e
Autor:
Martin Bäker, Joachim Rösler
Publikováno v:
Crystals, Vol 12, Iss 8, p 1084 (2022)
Nickel-base superalloys such as VDM 780 may possess a high content of Cr and Co. This influences solution energies of phase-forming elements such as Al and Ta (γ′-phase), Nb (γ″- and δ-phase), and Ti (η-phase). We perform density functional t
Externí odkaz:
https://doaj.org/article/22d48930cdff4f78940d4f13b66ed6d9
Publikováno v:
Results in Materials, Vol 2, Iss , Pp 100022- (2019)
Knowing Young’s modulus of coatings is important to understand the stress evolution and failure of coating systems. However, such values are often not available for modern coatings and/or cannot be determined by existing methods for attaining a glo
Externí odkaz:
https://doaj.org/article/38a11797736f41c4974cfa8f6191ed06
Publikováno v:
Metals, Vol 4, Iss 4, Pp 503-518 (2014)
To increase the lifetime of rocket combustion chambers, thermal barrier coatings (TBC) may be applied on the copper chamber wall. Since standard TBC systems used in gas turbines are not suitable for rocket-engine application and fail at the interface
Externí odkaz:
https://doaj.org/article/2fa6aa3d26b049eaa4442d6c6c075cd9
Publikováno v:
Royal Society Open Science, Vol 1, Iss 3 (2014)
In ichnology, the Goldilocks effect describes a scenario in which a substrate must be ‘just right’ in order for tracks to form—too soft, the animal will be unable to traverse the area, and too firm, the substrate will not deform. Any given subs
Externí odkaz:
https://doaj.org/article/21e9bcfc94d64f49938023010ffa3f38
Autor:
Bao-Nam Ngo-Dinh, Martin Bäker
Publikováno v:
Metallurgical and Materials Transactions A. 54:1857-1861
Nickel-based superalloys of the 718 type have been extensively used in the production of engine parts which operate at high temperatures. The alloy is strengthened by the precipitation of small $$\gamma ''$$ γ ′ ′ -phase particles with a large l
Akademický článek
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Publikováno v:
Journal of Thermal Spray Technology. 28:1402-1419
To protect liquid rocket combustion chamber walls, a coating may be applied on the hot gas side. Recently, a new metallic coating system, applied with high-velocity oxyfuel spray, has been developed. To investigate the damage mechanisms of these coat
Autor:
Joachim Rösler, Oskar J. Haidn, Felix Hötte, Ali Gülhan, Torben Fiedler, Christoph von Sethe, Martin Bäker, Matthias Haupt, Dennis Daub, Burkard Esser
Publikováno v:
Notes on Numerical Fluid Mechanics and Multidisciplinary Design ISBN: 9783030538460
To protect the copper liners of liquid-fuel rocket combustion chambers, a thermal barrier coating can be applied. Previously, a new metallic coating system was developed, consisting of a NiCuCrAl bond-coat and a Rene 80 top-coat, applied with high ve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2502835d6ef6f1b28002530a13132e10
https://doi.org/10.1007/978-3-030-53847-7_19
https://doi.org/10.1007/978-3-030-53847-7_19
Autor:
Martin Bäker
Zwei Außerirdische beobachten auf ihren jeweiligen Heimatplaneten die Landung eines Raumfahrzeugs und versuchen, es zu erforschen. Im Inneren entdecken sie rätselhafte Experimente, die ihnen zeigen, dass die Welt sich nicht so verhält, wie sie es