Micro and Nanocrystalline Silicide - Refractory Metals FGM for Materials Innovation in Transport Applications
| Acronym: | SILTRANS |
|---|
| Project start: | 01.10.2009 |
|---|
| Project end: | 31.12.2014 |
|---|
| Programme: | FP7 |
|---|
| Project number: | NMP3-SL-2009-229127 |
|---|
| Institute position in the project: | Project lead partner |
|---|
| Project leader: | František Simančík |
|---|
A new class of high temperature composites consisting of a continuous refractory metal framework (Nb, Mo, W) embedded in a silicide matrix will be developed. Continuous (percolating) porous skeletons of refractory metal (Nb, Mo, W) will be infiltrated with molten silicon or silicon based alloy using gas pressure infiltration (GPI). During GPI partial reactions between melt and refractory metal will take place, forming silicides predominantly in the vicinity of the surface of porous precursor, leaving less free silicon for formation of silicides inside the porous structure, thus making in situ FGMs with gradiently increasing metal content towards the core of composite.
See also study