Laser assisted joining of SiC/SiC for nuclear applications

Silicon carbide (SiC) is a high-performance ceramic renowned for its excellent strength, thermal stability, and corrosion resistance, making it highly critical for advanced applications. Yet, achieving reliable joints remains challenging, especially given the need for localized heating rather than bulk heating of an entire SiC component. Laser-assisted joining has emerged as a promising alternative, offering the advantages of localized heating, rapid processing without the need for pressure, and precise energy control that significantly minimizes impact on adjacent materials. This study examines the feasibility of using two different infrared diode lasers for pressure-less, localized joining of SiC/SiC tubes to SiC/SiC end-plugs. The results are compared with those obtained using conventional furnaces. A silica-alumina-yttria-based glass is utilized as the joining material. The morphology, microstructure, and mechanical strength of the joints are analyzed, with strength evaluated through push tests designed to detach the end-plug from the tube.

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Publication Details

Journal
Open Ceramics
Published
2025-06-16
DOI
https://doi.org/10.1016/j.oceram.2025.100802
Citations
2
Primary Topic
Advanced ceramic materials synthesis
Type
article
Field-Weighted Citation Impact
1.45

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article

Laser assisted joining of SiC/SiC for nuclear applications

Manuela De Maddis, Dario Basile, Stefano De La Pierre, Valentina Casalegno et al.
2 citations
Open Ceramics
Advanced ceramic materials synthesis
1.45
article

Laser assisted joining of SiC/SiC for nuclear applications

Manuela De Maddis, Dario Basile, Stefano De La Pierre, Valentina Casalegno, Christophe Lorrette, M. Herrmann, Shuigen Huang, Konstantina Lambrinou, Cédric Sauder, Monica Ferraris, Khurshid Aliev, Alessandro Benelli, Jef Vleugels, Dario Alidoost
article en
2 citations

Abstract

Silicon carbide (SiC) is a high-performance ceramic renowned for its excellent strength, thermal stability, and corrosion resistance, making it highly critical for advanced applications. Yet, achieving reliable joints remains challenging, especially given the need for localized heating rather than bulk heating of an entire SiC component. Laser-assisted joining has emerged as a promising alternative, offering the advantages of localized heating, rapid processing without the need for pressure, and precise energy control that significantly minimizes impact on adjacent materials. This study examines the feasibility of using two different infrared diode lasers for pressure-less, localized joining of SiC/SiC tubes to SiC/SiC end-plugs. The results are compared with those obtained using conventional furnaces. A silica-alumina-yttria-based glass is utilized as the joining material. The morphology, microstructure, and mechanical strength of the joints are analyzed, with strength evaluated through push tests designed to detach the end-plug from the tube.

Open CeramicsVol. 23
University of Huddersfield (GB), Politecnico di Torino (IT), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris-Saclay (FR), CEA Paris-Saclay (FR), Technische Universität Dresden (DE), KU Leuven (BE)
Euratom Research and Training Programme
Openalex Percentile: Top 21%
Advanced ceramic materials synthesis
1.45
DOIOpen Access PDFOpenAlex
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