| abstract |
The invention discloses a kind of silane-modified silicon carbide fibres, each raw material including following weight parts: silicon carbide fibre 120-140, silane coupling agent kh550 1-3,2,2- dihydromethyl propionic acid 2-4, ethyl orthosilicate 30-40, polyamide wax micropowder 3-5, epoxy prapanol 1-2, barium stearate 2-3, methyl methacrylate 16-20, catalyst 0.07-0.1, polytetrafluoroethylene (PTFE) 5-8, triethylamine 0.8-1, the finished composite material that the present invention obtains not only has good intensity and toughness, and mechanical stability is good, comprehensive performance is superior. |