EN 15461

Railway Brake Friction Material Characterisation

This test characterises the friction properties and thermal behavior of brake pads and brake blocks used in railway braking systems, ensuring consistent performance and safety across diverse operating conditions. The test evaluates friction coefficients at various temperatures, pressure levels, and speeds to validate that materials meet performance specifications for both passenger and freight applications. Accurate characterisation is essential for brake system designers to predict braking performance and prevent brake fade or instability. Accreditation guarantees that testing is performed with validated equipment and procedures, supporting regulatory compliance and safe brake system design.

What it measures

  • Friction coefficient at varying temperatures
  • Friction coefficient dependence on pressure and sliding speed
  • Thermal fade and recovery characteristics
  • Wear rate and material degradation
  • Vibration and noise generation potential
🇧🇪 NBN EN 15152 🇩🇪 DIN EN 15152 🇬🇧 BS EN 15152 🇫🇷 NF EN 15152 🇮🇹 UNI EN 15152 🇪🇸 UNE EN 15152 🇳🇱 NEN EN 15152 🇧🇪 NBN EN 13571 🇩🇪 DIN EN 13571 🇬🇧 BS EN 13571 🇫🇷 NF EN 13571 🇮🇹 UNI EN 13571
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HIGHVOLT Prüftechnik Dresden GmbH Kalibrierlaboratorium

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DAkkS D-K-19153-01-01 Dresden, DE
Railway brake — magnetic track brakes (U - Kapazität / Messgeräte Zeitparameter 60 µs Zeitparameter T c 0,5 µs + 3 more
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HLK Stuttgart

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DAkkS D-PL-11026-01-01 Stuttgart, DE
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HYDAC Systems & Services

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DAkkS D-K-21083-01-01 Neunkirchen-Heinitz, DE
Railway braking — urban guided transport Frequenz positiver Überdruck Taupunkttemperatur / Messgeräte + 3 more
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HaBu Hauck Prüftechnik

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HeMaTech Prüftechnik

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Helling GmbH Prüf- und Kalibrierlabor

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Empfänger für Radiometrie 100 µW/cm Photometrie
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Henkel AG & Co. KGaA Corporate Scientific Solutions

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Hensel Mess-, Regel- und Prüftechnik

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Hessische Eichdirektion

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Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) Railway braking — urban guided transport Railway vehicle body structural requirem + 3 more
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Hessisches Landesamt für Naturschutz, Umwelt und Geologie Dezernat I 2 Luftreinhaltung: Immissionen

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DAkkS D-PL-14551-01-01 Wiesbaden, DE
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Hessisches Landeskriminalamt Kriminalwissenschaftliches und -technisches Institut, Abteilung 6

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Aminosäuren Okkultes Blut - Qualität Plasmazellen daktyloskopische Spur Genotyp zur Spurenuntersuchung + 3 more
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Hexagon Metrology GmbH Hexagon Calibration Services

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DAkkS D-K-15133-01-01 Wetzlar, DE
Railway maintenance — track geometry (EN (die Angaben X, Y, Z Kalibrierungen werden mit Durchmessern im Bereich durchgeführt. + 3 more
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Hillebrand Chemicals GmbH Analytik-, Materials Science & Korrosion Labor

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Hofmann Mess- und Auswuchttechnik

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ISO 21940-21 DIN ISO 21940-12 DIN ISO 21940-12
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Hohenstein Laboratories

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DIN EN 1021-1 DIN EN 1021-2 ASTM D 2863 ASTM E 648 DIN EN 12681-1 + 3 more
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Hoppesack Mess- und Regeltechnik Vertriebs

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DAkkS D-K-15198-01-00 Hanau, DE
Railway braking — urban guided transport Railway vehicle body structural requirem Gleichstrom- und Niederfrequenzmessgröße - Gleichstromstärke - Gleichstromwiderstand + 3 more
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Horiba Europe

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DAkkS D-K-12094-02-00 Oberusel, DE
Railway braking — urban guided transport Railway vehicle body structural requirem Railway bogies — wheelsets and bogies st Railway applications — vehicle reference - Thermopaare, Thermoelemente + 3 more
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Horn & Co. Analytics

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DIN EN ISO 2719 DIN EN ISO 12937 DIN EN ISO 3679 DIN EN ISO 19458 DIN 18123 + 3 more
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Hottinger Brüel & Kjaer

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DAkkS D-K-12029-02-02 Darmstadt, DE
Technical cleanliness of fluid system co Railway driver warning systems — braking Railway wheel-rail interaction — roughne Railway — traction effort and braking fo Railway braking — adhesion under braking + 3 more
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Humanetics Europe

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DAkkS D-K-18446-01-01 Rheinmünster, DE
Railway braking — urban guided transport Railway applications — vehicle reference Railway vehicles — specific test require - Gleichstromstärke Absolutdruck p * + 3 more
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Hydrodata

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Hydroisotop GmbH, Laboratorium zur Bestimmung von Isotopen in Umwelt und Hydrologie

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Hydrotechnik

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DAkkS D-K-15045-01-01 Limburg a. d. Lahn, DE
positiver Überdruck > 60 bar Positiver Überdruck p e − Durchfluss von Flüssigkeiten (ein- oder mehrgängige + 3 more
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Industries

Brake pad and block manufacturers Rolling stock manufacturers Braking system integrators and suppliers Railway maintenance and depot operators Material testing and research laboratories

Related Standards

  • EN 15152 Railway applications - Braking systems on rail vehicles - General requirements and definitions
  • EN 13571 Railway applications - Brakes - Disc brake pads - Specifications and approval
  • EN 14363 Railway applications - Testing and Simulation for the acceptance of running characteristics of railway vehicles

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