TY JOUR TI Railway Disc Brake with Thermally Insulated Friction Assemblies Containing Materials with Different Friction Properties KW Disc brake KW friction unit KW heat-insulating element KW friction materials KW friction coefficient KW carbon KW asbestos KW thermal conductivity KW application temperature JO Proceedings of Petersburg Transport University AU Krivosheya, D.S. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"