Wetting and Fracture Characteristics of TiCx Coated C/Cu Braze Joints

Peter Worbs; Marco Grattarola; Hans Maier; Harald Bolt

doi:10.4028/www.scientific.net/AMR.59.230

Paper Titles

Graphite-Nimonic Alloy Brazing
p.209

Interface Design in Copper-Diamond Composite by Using PVD and CVD Coated Diamonds
p.214

Nanocomposite Coatings Produced by Friction Cladding
p.220

Joining of Superalloys to Intermetallics Using Nanolayers
p.225

Wetting and Fracture Characteristics of TiC_x Coated C/Cu Braze Joints
p.230

Materials for Advanced Gas-Cooled Nuclear Systems
p.239

Materials for the Very High Temperature Reactor-Results and Progress within the Fifth and Sixth Framework Programmes
p.243

Atomistic Simulation of ½<111> Screw Dislocations in BCC Tungsten
p.247

Ab-Initio Modelling of Point Defect-Impurity Interaction in Tungsten and other BCC Transition Metals
p.253

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 59Wetting and Fracture Characteristics of TiCx...

Wetting and Fracture Characteristics of TiC_x Coated C/Cu Braze Joints

Abstract:

Thin TiCx films with a range from pure Ti to stoichiometric TiC (0 ≤ x ≤ 1) have been deposited on carbon-based materials by dual magnetron sputter deposition. The wetting behaviour of a Cu Ti alloy on TiCx coatings has been characterized using the sessile drop method. For these experiments a contact angle measurement device was constructed and successfully tested. Both, stoichiometric TiC and Ti coatings improve wetting dramatically. In between there was no significant wetting improving effect compared to the uncoated case. Subsequently, TiCx coated C/Cu braze joints have been tested on their ability to withstand mechanical loads and analysed with respect to their fracture behaviour.