Patent ID: 6364072
Filing Date: 2002-04-02
Classification: B61H,F16D

Abstract:
Sintered material as friction material for a pole shoe area of a magnetic track brake comprising at least one of a magnetic basic member and a carrier member, wherein the sintered material comprises:a proportion of 0.5 to 2% of pulverized wear inhibitor comprising at least one of the substances selected from the group consisting of Al2O3, ZrO2, Al2TiO5, Y2O3, SiC, Si3N4, WC, Cr3C2, and TiC; a proportion of 0.5 to 10% of powder forming a protective layer comprising at least one of the substances selected from the group consisting of spherulitic graphite iron, graphite, iron sulfide, manganese sulfide, lead, and molybdenum sulfite; and 80% to 99% of at least one of a magnetically conductive material and a magnetically non-conductive material, wherein the magnetically conducting material comprises at least a proportion of iron and the non-conductive material comprises at least one of the substances selected from the group consisting of tin, copper, zinc, aluminum and alloys thereof.