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ENEA - Fusion division

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Advanced materials

Ceramic (monolithic and composite) joining technologies

Joining technologies are based on brazing processes that use eutectic alloys of silicon-titanium-chromium intermetallics for the joining of monolithic or composite silicon carbon.
These alloys have a high operating temperature (1200°-1400C) and good chemical-physical compatibility with silicon carbide.
The joints produced have high sheer strength values (150 MPa for monolithic silicon carbide and 80 MPa for the composite).

Micrograph of a SiCf/SiC composite jointMicrograph of a SiCf/SiC composite joint TEM (Transmission Electron Microscope) image of a brazed jointTEM image of a brazed joint


References and Publications