SINTERED FRICTION MATERIAL FOR HIGH-SPEED RAIL

摘要

Provided is a sintered friction material exhibiting high braking power, and being excellent in stability of braking power at a high temperature. The sintered friction material of the present invention includes a chemical composition containing: by mass%, Fe of 7.5% or more, Cu of 50% or more, graphite of 5 to 15%, molybdenum disulfide of 0.3 to 7%, and silica of 0.5 to 10%, wherein Fe/Cu is 0.15 to 0.40.