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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Kalibrierservice Brandl

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DAkkS D-K-15052-01-01 Pfaffenhofen, DE
Railway braking — urban guided transport Railway vehicle body structural requirem - Gleichstromwiderstand Temperaturmessgrößen - Temperatur-Blockkalibratoren + 3 more
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Kapraun Prüfdienst

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DAkkS D-K-20795-01-01 Waldaschaff, DE
Railway brake — magnetic track brakes (U − Ebenheit − Geradheit − Winkelnormale auch als Vor-Ort-Kalibrierung + 3 more
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Karlsruher Institut für Technologie Institut für Elektroenergiesysteme und Hochspannungstechnik (IEH)

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Karlsruher Institut für Technologie Materialprüfungs- und Forschungsanstalt, MPA Karlsruhe

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P1433, P14-3-3 DIN EN 62196-1: 2015 DIN EN ISO 14891 DIN EN 12390-2 DIN EN 12390-3 + 3 more
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Karlsruher Institut für Technologie Sicherheit und Umwelt (SUM) Kalibrierlabor

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Kenya Bureau of Standards Metrology Laboratories

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> 5 kHz > 10 mg > 20 mg > 50 mg > 100 mg + 3 more
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Kern & Sohn

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Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Railway bogies — wheelsets and bogies st > 100 G relativen Feuchte + 3 more
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Kessler QMP

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Salt spray / neutral salt fog test (ISO Environmental noise — determination of s Railway maintenance — track geometry (EN - Gleichspannung - Gleichstromstärke + 3 more
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Keysight Technologies Deutschland GmbH Hardware Test Center Europe

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DAkkS D-PL-19882-01-02 Böblingen, DE
VDE 0468-2-1 DIN EN 60068-2-14 VDE 0468-2-14 VDE 0468-2-27 DIN EN 60068-2-30 + 3 more
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KfH KURATORIUM FÜR DIALYSE UND NIERENTRANSPLANTATION

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negativer und positiver Druck
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KfH KURATORIUM FÜR DIALYSE UND NIERENTRANSPLANTATION Zentrale Servicestelle - Kalibrierlabor

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Kistler Instrumente

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DAkkS D-K-15127-01-01 Sindelfingen, DE
Railway — traction effort and braking fo Prüfkraftmesseinrichtung - Gleichspannung - Gleichstromstärke - Gleichstromwiderstand + 3 more
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Kistler Remscheid

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DAkkS D-K-17572-01-02 Remscheid, DE
Vickers hardness test (ISO 6507) Railway — traction effort and braking fo Längenmessgeräte * Drehmoment- 0,2 N·m − Drehmoment + 3 more
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Kistner Metrologie Service

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Kiwa

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DAkkS D-PL-11217-01-02 Berlin, DE
229600 (A150P u. A175 DIN EN ISO 7438 DIN 51451 DIN EN 50178: 1998 ISO 21527-1 + 3 more
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Kiwa

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Kiwa Primara

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DAkkS D-PL-12089-01-01 Kaufbeuren, DE
ISO 6722-2 ISO 20653 DIN EN ISO 6270-2 DIN EN 50155 VDE 0115-200 + 3 more
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Klasmeier Kalibrier- und Messtechnik GmbH ISOTECH

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DAkkS D-K-15224-01-00 Fulda, DE
Railway braking — urban guided transport Railway vehicle body structural requirem - Thermopaare, Thermoelemente Taupunkttemperatur thermoelemente *) + 3 more
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Klingelnberg

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DAkkS D-K-21339-01-00 Hückeswagen, DE
systeme ohne Antastung Verzahnungsmessgrößen Teilkreisdurchmess Flankenliniennormale Schrägungswinkel: β Schrägungswinkel d Teilkreisdurchmesser + 3 more
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Klinikum Ingolstadt GmbH Institut für Laboratoriumsmedizin

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Ethanol tration von Harnsäure tration von Harnstoff pH - Wert Schwefeldioxid SO 2 + 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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