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Electrodeposition of Titanium on SiC-Fibres for Metal Matrix Composite Production

Gussone, Joachim and Hausmann, Joachim (2010) Electrodeposition of Titanium on SiC-Fibres for Metal Matrix Composite Production. Electrochemistry 2010: From microscopic, 13.-15.Sep. 2010, Bochum.

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Titanium Matrix Composites (TMC) exhibit exceptional mechanical properties making them very well suited for aerospace applications where high specific strengths and stiffnesses are requested [1]. The production of high quality TMC is realised by processes in which silicon carbide monofilaments are coated with titanium alloys. Due to cost reduction efforts a molten salt based process is proposed and investigated as alternative to magnetron sputtering. It is known since many decades that it is impossible to deposit titanium from aqueous media [2]. However, electrodeposition of titanium from fused salts is also not without difficulties impeding industrial applications until now. In the presentation it will be demonstrated that dense coherent coatings can be deposited from molten LiCl-KCl with about 1 mol-% TiCl2. This is remarkable because it is often pointed out in literature that the presence of fluoride is a necessary condition to obtain coherent deposits, while in pure chloride melts dendrite, powder or sponge formation are favoured [3, 4]. Electrochemical measurements show that under the chosen conditions the deposition process is quasi-reversible. Nucleation studies confirmed a good surface coverage from the very beginning of the deposition process which is also supported by microanalytical investigations of cross sections.

Item URL in elib:https://elib.dlr.de/66833/
Document Type:Conference or Workshop Item (Speech)
Title:Electrodeposition of Titanium on SiC-Fibres for Metal Matrix Composite Production
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Gussone, Joachimjoachim.gussone (at) dlr.deUNSPECIFIED
Date:13 September 2010
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Titanium Matrix Composites, Electrodeposition, Molten Salts
Event Title:Electrochemistry 2010: From microscopic
Event Location:Bochum
Event Type:Conference
Event Dates:13.-15.Sep. 2010
Organizer:GDCh, Gesellschaft Deutscher Chemiker e. V.
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Fan and Compressor Technologies (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Metallic Structures and Hybrid Material Systems
Deposited By: Gussone, Joachim
Deposited On:30 Nov 2010 13:52
Last Modified:30 Nov 2010 13:52

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