Název: Preparation of W-Cu composites by infiltration of w skeletons review
Autoři: Matějíček, Jiří
Typ dokumentu: Příspěvky z konference
Konference/Akce: Anniversary International Conference on Metallurgy and Materials - METAL 2021 /30./, Brno (CZ), 20210526
Rok: 2021
Jazyk: eng
Abstrakt: Tungsten-copper composites feature high corrosion and erosion resistance, very good thermal and electrical conductivity, low thermal expansion and good mechanical properties. They are used in a variety of demanding applications, such as arc-resistant electrodes, high voltage electrical contacts, heat sinks for integrated circuits, etc. They are also foreseen for use in plasma-facing components of fusion reactors, e.g. as a transition layer between the (refractory) plasma-facing tungsten and the (highly conductive) copper-based cooling structure. In general, high density and good bonding of the tungsten and copper phases is desired. Molten copper infiltration into tungsten preforms is among the prospective fabrication technologies - the structure and properties of the resultant composites are dependent on the specific technological parameters. In this paper, the preparation of W-Cu composites by infiltration of W skeletons is reviewed and attention is paid to the influence of these particular parameters: infiltration temperature, time and atmosphere, tungsten preform porosity, orientation and chemistry (presence or absence of other elements). Optimum parameter combinations for achieving high density and proper bonding of copper and tungsten are identified.
Klíčová slova: Composites; Copper; Molten copper infiltration; Tungsten
Číslo projektu: TK03030045
Poskytovatel projektu: GA TA ČR
Zdrojový dokument: METAL 2021. 30th Anniversary International Conference on Metallurgy and Materials. Conference proceedings, ISBN 978-80-87294-99-4, ISSN 2694-9296
Poznámka: Související webová stránka: https://www.confer.cz/metal/2021/4248-preparation-of-w-cu-composites-by-infiltration-of-w-skeletons-review

Instituce: Ústav fyziky plazmatu AV ČR (web)
Informace o dostupnosti dokumentu: Dokument je dostupný v příslušném ústavu Akademie věd ČR.
Původní záznam: https://hdl.handle.net/11104/0338798

Trvalý odkaz NUŠL: http://www.nusl.cz/ntk/nusl-519935


Záznam je zařazen do těchto sbírek:
Věda a výzkum > AV ČR > Ústav fyziky plazmatu
Konferenční materiály > Příspěvky z konference