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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ENAC LC10.160 San Fernando de Henares, ES
-95 kPa ≤ P < -1 kPa -1 kPa ≤ P < -100 P 5 kPa ≤ P < 80 kPa 80 kPa ≤ P ≤ 120 kPa 0 MPa ≤ P ≤ 2 MPa 2 MPa < P ≤ 20 MPa 20 Punto triple del agua (0,01 °C) Punto de fusión del hielo (0,00 °C) -80 + 3 more
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ENAC LE2884 Madrid, ES
UNE 26494
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ACONDICIONAMIENTO TARRASENSE (LEITAT Technological Center)

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ENAC LE026 Terrassa, ES
Sound power — engineering method using a Mechanical mounting of accelerometers (I Railway brake — anti-slide device (UIC 5 c.1772A>G rs11568367 ISO 3795 + 3 more
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ACUSTICA Y TELECOMUNICACIONES, S.L. (SONOX)

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ENAC LE751 Gandia, ES
Environmental noise — determination of s ISO 2631-2 DIN EN ISO 1628-3 UNE-EN ISO 16283-1 UNE-EN ISO 16283-2 + 3 more
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AECOM SPAIN DCS, S.L. (Unipersonal)

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ENAC LE1300 Madrid, ES
DIN EN 12566-7 ISO 20236 on ISO 11905-2:1997 on BS ISO 17289:2014 ISO 1841-2 + 3 more
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ENAC LE1555 Madrid, ES
ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 6579-1 ISO 7251 + 3 more
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ENAC LE1409 Coslada, ES
Tensile testing of metallic materials (I ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 + 3 more
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ENAC LE530 Burgos, ES
ISO 18787 ISO 6496 ISO 4831 ISO 4832 ISO 15214 + 3 more
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ENAC LE2633 Tarragona, ES
Railway wheel-rail interaction — roughne ISO 5667-11 ISO 11423-1 ISO 5667-4 ISO 5667-10 + 3 more
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AGROTECNOLOGÍAS NATURALES

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ENAC LE2899 Riera de Gaià, ES
ISO 21527-2 UNE-EN 17722 (Método 1)
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AGRUPA LABORATORIO, S.L.L.

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ENAC LE2360 Derio, ES
Railway passenger ride comfort evaluatio ISO 5667-11 ISO 5667-4 ISO 5667-10 ISO 15705 + 3 more
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AGÈNCIA DE SALUT PÚBLICA DE BARCELONA

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ENAC LE459 Barcelona, ES
ISO 18787 ISO 4831 ISO 11731 ISO 18743 ISO 7251 + 3 more
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ENAC LE2081 Abrera, ES
ISO 7150-1 ISO 15705 ISO 6878 ASTM E1077-14(2021) ISO 20595 + 3 more
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AIDIMME. INSTITUTO TECNOLÓGICO METALMECÁNICO, MUEBLE, MADERA, EMBALAJE Y AFINES

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ENAC LE027 Paterna, ES
ISO 3795 DIN EN 60529 IEC 60529: 1989 IEC 60068-2-1 IEC 60068-2-2 + 3 more
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AIMPLAS. INSTITUTO TECNOLÓGICO DEL PLÁSTICO

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ENAC LE156 Paterna, ES
ISO 3795 ISO 37 ISO 4593 ISO 48-4 ISO 34-1 + 3 more
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AINIA

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ENAC LE211 Paterna, ES
ISO 18787 ISO 4832 ISO 16649-2 ISO 11290-1 ISO 11290-2 + 3 more
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AIRGRUP

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ENAC LC10.235 Rinconada, ES
Tensile testing of metallic materials (I ASTM E 8 ISO 6507-1 BS EN ISO 9015-1:2011 BS EN ISO 9015-2 + 3 more
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ENAC LE282 Biar, ES
IEC 61386-24 UNE-EN 60529 UNE-EN 62262 UNE-EN 50102 UNE-EN 61386-1 + 3 more
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ALTER TECHNOLOGY TÜV NORD, S.A. (Unipersonal)

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ENAC LE808 Tres Cantos, ES
Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) Railway braking — thermal analysis (EN 1 Influenza A/H1-2009 DIN EN 50155 + 3 more
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ENAC LE2570 Barrios, ES
ID116 ASTM D 4052 DIN EN ISO 20846 ASTM D 5453 ASTM D 445 + 3 more
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ENAC LC10.017 Leganés, ES
ASTM D2240-15 CEM DI-012 CEM DI-008 CEM DI-021 CEM DI-005 + 3 more
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APPLUS NORCONTROL, S.L.(Unipersonal) (APPLUS)

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ENAC LE201 Sada, ES
Railway wheel-rail interaction — roughne DIN EN 13126-19 DIN EN ISO 16911-1 ISO 5667-11 ISO 5667-10 + 3 more
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AQCLAB SOFTWARE QUALITY, S.L. (AQCLAB)

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ENAC LE2307 Puertollano, ES
ISO/IEC 25010 ISO/IEC 25040 ISO/IEC 25012 ISO/IEC 5259-2
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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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