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
🇩🇪 DIN EN 15152 🇬🇧 BS EN 15152 🇫🇷 NF EN 15152 🇮🇹 UNI EN 15152 🇪🇸 UNE EN 15152 🇳🇱 NEN EN 15152 🇩🇪 DIN EN 13571 🇬🇧 BS EN 13571 🇫🇷 NF EN 13571 🇮🇹 UNI EN 13571 🇪🇸 UNE EN 13571 🇳🇱 NEN EN 13571
1,560 Accredited labs
17 Countries

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DAkkS D-ML-13235-01-00 Kaiserslautern, DE
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Automatisches Blutbild Differentialblutbild, prozentual Retikulozyten Zellzahl Natriumchlorid + 3 more
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Blutsenkung Thrombozytenfunktion Ecstasy, Kokain, Opiate, Methadon, Bupre qualitativ, quantitativ Drogenscreening (Amphetamine + 3 more
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Unklare Erkrankungen mit wahrscheinlich erblicher Ursache HPO Terms; SNV, CNV Fluoropyrimidin Toxizität (DPD-Gen: dbSNP rs3918290, rs55886062, rs67376798, + 3 more
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angeborener Chromosomensatz Nummerische Veränderungen Chromosomen 13, 18, 21, X und ldentifizierung kleinster chromosomaler/numerischer + 3 more
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DAkkS D-ML-13245-02-00 Dresden, DE
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DAkkS D-ML-18902-01-00 Rostock, DE
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DAkkS D-ML-13237-01-00 Raubling, DE
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DAkkS D-ML-19175-01-00 Erfurt, DE
HbA1c Hämatokrit Hämoglobin Leukozyten Thrombozyten + 3 more
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DAkkS D-ML-18008-01-00 Raunheim, DE
HbA1c Blutbild, groß (Blutbild klein Hämoglobin, Hämatokrit, MCH, MCHC) Retikulozyten Thrombozyten + 3 more
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DAkkS D-ML-13182-01-00 Essen, DE
Leukozyten Erythrozyten Thrombozyten Hämatokrit MCV + 3 more
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DAkkS D-ML-13238-01-01 Göttingen, DE
Obligat anaerobe Bakterien Grampositive aerobe und anaerobe Kokken Enterokokken Mikrokokken + 3 more
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DAkkS D-ML-13445-01-01 Wernigerode, DE
automatische Zelldifferenzierung Erythrozyten Leukozyten Retikulozyten Thrombozyten + 3 more
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DAkkS D-K-21333-01-01 Martinsried, DE
Einkanalige direktverdrängende Volumen Kolbenbüretten Einzelhubdispenser + 3 more
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DAkkS D-K-15048-01-01 Allmersbach im Tal, DE
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DAkkS D-K-21403-01-01 Aichhalden, DE
Metrosoft CM, Software einer Raumdiagona AG, Chur, CH ≤ 3333 mm Oberkochen, D GmbH, Wetzlar, D AG, Chur, CH ≤ 7500 mm
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DAkkS D-K-19120-01-01 Gießen, DE
Flüssigkeitsvolumen * Kolbenhubpipetten Manuell betätigte spritzen Mehrfachdispenser + 3 more
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DAkkS D-K-15086-01-01 Wedel, DE
- Gleichspannung Messverstärker > 120 mV > 1 V > 12 V > 1000 V + 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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