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This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014 2018 and 2019-2020 under grant agreement No 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission. The authors would also like to acknowledge the Community of Madrid in the frame work of the Multiannual Agreement with the Rey Juan Carlos University in line of action 1, Encouragement of Young PhD students investigation Project Ref. M 2168 Acronym DARUCEF.

Analysis of institutional authors

De Prado, JCorresponding AuthorSanchez, MAuthorUrena, AAuthor

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September 27, 2022
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Microstructural and Mechanical Characterization of W-CuCrZr Joints Brazed with Cu-Ti Filler Alloy

Publicated to:Metals. 11 (2): 1-9 - 2021-02-01 11(2), DOI: 10.3390/met11020202

Authors: de Prado, Javier; Sanchez, Maria; Swan, David; Urena, Alejandro

Affiliations

Rey Juan Carlos Univ, ESCET, Mat Sci & Engn Area, C Tulipan S-N, Madrid 28933, Spain - Author

Abstract

The determination of the mechanical properties of a brazed joint is an important factor to reach the metallurgical level of a joint development. This paper evaluates the mechanical properties, and its correlation with the joint microstructure, of a W-CuCrZr joint brazed in a high vacuum furnace using 80Cu-20Ti flexible filler material in tape form. This joint is meant to be implemented in the divertor application in future fusion power plants. Main experimental parameters were a brazing temperature of 960 degrees C and a dwell time of 10 min. The microstructure of the joint was constituted by Cu solid solution and Cu4Ti phases. This last phase was distributed in the W-braze interface. Mechanical properties were evaluated by means of Vickers microhardness and mechanical tests by applying pure shear loads. The microhardness profile of the brazed joint indicated that W remained with the as-received hardness but CuCrZr base material was softened after the brazing procedure. Shear strength of 96 +/- 15 MPa was obtained for the brazed joint and fracture propagated at the W-braze interface.

Keywords

BrazingMechanical propertiesMicrostructural characterizationPlasma facing component

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Metals due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2021, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Metals and Alloys.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-07-17:

  • WoS: 2
  • Scopus: 2

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-17:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 14 (PlumX).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Prado Escudero, Javier de) and Last Author (Ureña Fernández, Alejandro).

the author responsible for correspondence tasks has been Prado Escudero, Javier de.