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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ISO 6506-1 ISO 6507-1 DIN EN 14587-2 ASTM E415-21 UNI EN 14730-1
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NF T 90-333 NF T 90-388 NF T 90-354 NF T 90-395 XP T90-337 + 1 more
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DIN EN ISO 11737-2 DIN EN ISO 17664-1 DIN EN 13060 DIN EN ISO 17665-1 DIN EN ISO 11138-7 + 3 more
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UNI EN 15662
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SAUERMANN IBERICA PUMPS AND INSTRUMENTS, S.L. (Unipersonal)

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ENAC LC10.221 Terrassa, ES
(15 ± 1) ⋅ 10-6 mol/mol (1000 ± 50) ⋅ 10 (8 ± 0,5) ⋅ 10-2 mol/mol (1,4 ± 0,1) ⋅ 1 (3000 ± 150) ⋅ 10-6 mol/mol (9 ± 1) ⋅ 10 (80 ± 8) ⋅ 10-6 mol/mol (100 ± 8) ⋅ 10-6 mol/mol
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und VDI/VDE 2604 229600 (A150P u. A175 CD23, CD25, CD33,CD34, CD38, CD59 Anti-Yo p62 DIN EN 50178: 1998 + 3 more
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DAkkS D-K-18447-01-01 Aresing/ OT Unterweilenbach, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Railway maintenance — track geometry (EN - Gleichstromstärke - Gleichstromwiderstand + 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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