FP6 priority
1.1.3   Nanotechnologies and Nanosciences, Knowledge-based Multifunctional Materials and New Production Processes and Devices
Title of the proposal

Advanced materials for joining

Slovak Academy of Sciences, Institute of Materials and Machine Mechanics
Racianska 75, 831 02 Bratislava, Slovak Republic
Dr. Pavol SEBO
+421 2 49268282

Research subject for a potential FP6 project

Because lead and lead containing chemicals are hazardous to human life and environment we propose the development of lead-free solder materials along with the basic scientific research on various properties of these materials, their practical application and their durability during actual use in all kinds of equipments in order to replace the currently used lead-containing solders in the future. The main attention will be paid to joining of materials with considerably different physical properties especially, thermal expansion and thermal conductivity (e.g. metal-ceramic, metallic composite-ceramic, metallic composite-ceramic composite). Traditional lead containing solders will be replaced by newly developed advanced materials such as functionally graded materials, brazes containing particles or short fibres, complex solders prepared from immiscible metals by rapid solidification etc.
The considerable experience in this research subject was gained in the outrunning BRITE-EURAM No3876 project that had been directed towards the development of joining technique of CuC composite to alumna ceramic plate.

Recent international cooperation of the research team

Warszaw Technical University, Poland
University of Vienna, Austria
Austrian Research Centre Seibersdorf, Austria

Proposerīs relevant publications related to the research subject

Sebo,P., Duhaj,P.: Wetting of copper by Ni-P based brazing alloys. Kovove Materialy 34 (1996),249-259
Cabelka,D., Sebo,P.: Influence of carbon fibre interlayer on joining alumina-stainless steel by AgCuTi brazing alloy. Kovove Materialy 35(1997),230-236
Duhaj,P., Sebo,P., Svec,P., JanickoviC,D.: Development and characterisation of Ag-Cu-Ti brazes prepared with planar flow casting. Mater.Sci.and Engineering A271 (1999),181-187