FRICTION BEARING COMPOSITE MATERIAL WITH A METAL BASE LAYER

摘要

The invention relates to a friction bearing composite material with a metal base layer, a porous support layer applied thereto and a low-friction layer made from PTFE, forming a bearing surface for a bearing partner. The low-friction material forming the sliding surface also fills the pores in the support layer and comprises at least 60 vol. % PTFE and 10-25 vol. % zinc sulphide. In order to achieve a high wear resistance with a low coefficient of friction the low-friction material further comprises 1.5-3.5 vol. % carbon fibres and 1-7 vol. % PFA.