Zobrazeno 1 - 10
of 699
pro vyhledávání: '"refractory metal"'
Publikováno v:
Alloys, Vol 3, Iss 3, Pp 190-231 (2024)
Abstract: The refractory complex concentrated alloy (RCCA) 5Al–5Cr–5Ge–1Hf–6Mo–33Nb–19Si–20Ti–5Sn–1W (at.%) was studied in the as-cast and heat-treated conditions. The partitioning of solutes in the as-cast and heat-treated microstr
Externí odkaz:
https://doaj.org/article/1182e5014c5840428079a7751d2993b4
Autor:
Lofaj, František a, ⁎, Hviščová, Petra a, Roch, Tomáš b, Girman, Vladimír a, c, Kabátová, Margita a, Dobrovodský, Jozef d
Publikováno v:
In International Journal of Refractory Metals and Hard Materials April 2025 128
Autor:
Yuan, Haining a, Zeng, Qingdong b, Wang, Zhiyou c, ⁎, Sun, Tangyou d, Song, Qianju a, Yi, Zao a, e, ⁎⁎, Liu, Zhimin f, Cheng, Shubo g, Wu, Pinghui h
Publikováno v:
In Applied Thermal Engineering 1 March 2025 262
Publikováno v:
Alloys, Vol 3, Iss 1, Pp 59-95 (2024)
In this work, the refractory complex concentrated alloy (RCCA) 3.5Al–4Cr–6Ge–1Hf–5Mo–36Nb–22Si–1.5Sn–20Ti–1W (at.%) was studied in the as cast and heat treated conditions (100 h or 200 h at 1500 °C). There was strong macrosegregati
Externí odkaz:
https://doaj.org/article/3e0803a3e2f74ec2b80dcdc0be0c3f7b
Autor:
Steffen Antusch, Alexander Klein, Siegfried Baumgärtner, Carsten Bonnekoh, Bernd Böswirth, Daniel Dorow-Gerspach, Stefan Dietrich, Marco Ehrhardt, Bradut-Eugen Ghidersa, Henri Greuner, Markus Guttmann, Thomas Hanemann, Judith Jung, Joachim Konrad, Michael Rieth
Publikováno v:
Nuclear Materials and Energy, Vol 39, Iss , Pp 101683- (2024)
The basic principle of electron beam melting (EBM) technology is the additive generation of structures by the selective melting of metal powder layer by layer with an electron beam under vacuum conditions. The cooling rate of the EBM process can be r
Externí odkaz:
https://doaj.org/article/45011625a68b4045bb4ccc907244a5c9
Autor:
Simon J. Graham, Edward Gallagher, Gavin J. Baxter, Yunus Azakli, Joseph Weeks, Matthew Gelmetti, Neil D'Souza, Carl Boettcher, Bryan Roebuck, Panos Tsakiropoulos, Claire Utton
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3217-3224 (2024)
A Nb-silicide based alloy with nominal composition Nb–18Ti–22Si–6Mo-1.5Cr–2Sn-1Hf (at. %), designed for high temperature aerospace applications, was produced via a powder metallurgy (PM) route. The raw elements were arc melted, crushed, and m
Externí odkaz:
https://doaj.org/article/78ba3959a72147f283e116eddf88abf8
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1463-1474 (2024)
A tungsten carbide (WC) ceramic coating is fabricated by a new method of Fe-coating-mediated carburization, in which the tungsten substrate is carburized using a pre-electroplated Fe coating. In this carburization process, the electroplated Fe coatin
Externí odkaz:
https://doaj.org/article/4e3331116eb6422199b822937d986e17
Akademický článek
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Autor:
Panos Tsakiropoulos
Publikováno v:
Alloys, Vol 2, Iss 3, Pp 184-212 (2023)
The paper is a personal perspective on the design of metallic ultra-high temperature materials (UHTMs). Specifically, the alloy design “landscape” of metallic UHTMs was considered from the viewpoint of the alloy design methodology NICE. The conce
Externí odkaz:
https://doaj.org/article/7efc77d492d643eaab7258a1f652e55f
Autor:
Kateryna Smyrnova, Volodymyr I. Ivashchenko, Martin Sahul, Ľubomír Čaplovič, Petro Skrynskyi, Andrii Kozak, Piotr Konarski, Tomasz N. Koltunowicz, Piotr Galaszkiewicz, Vitalii Bondariev, Pawel Zukowski, Piotr Budzynski, Svitlana Borba-Pogrebnjak, Mariusz Kamiński, Lucia Bónová, Vyacheslav Beresnev, Alexander Pogrebnjak
Publikováno v:
Nanomaterials, Vol 14, Iss 12, p 1061 (2024)
This study investigates the phase composition, microstructure, and their influence on the properties of Mo-W-C nanocomposite films deposited by dual-source magnetron sputtering. The synthesised films consist of metal carbide nanograins embedded in an
Externí odkaz:
https://doaj.org/article/d448fd804e654b23a923d058c61d0a16