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
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UNE 64106 BS ISO 6731:2010 UNE-EN ISO 712 UNE-EN ISO 5534 ISO 13580 + 3 more
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ISO 6341 ISO 7346-1 ISO 8692 DIN EN 13727 DIN EN 1657 + 3 more
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NF T90-111 DIN EN ISO 14403-2 NF T 90-412 DIN EN ISO 7899-1 NF-T 90-029 + 3 more
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UNE 77061 UNE-EN ISO 15681-2 SM 4500-NH3 F UNE-EN ISO 8467 UNE-EN ISO 6878 + 3 more
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DIN EN ISO 21528-2 DIN EN ISO 6888-1 0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
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COFRAC 1-6881 Les Milles, FR
DIN ISO 11665-4 DIN EN ISO 7932 DIN 53483-2 DIN EN ISO 15213-2 NF V08-050 + 3 more
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COFRAC 1-1830 Nantes, FR
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COFRAC 1-5943 Nantes, FR
NF X 43-269 NF X 43-050 ISO ISO 16000-7
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ACCREDIA 00054 Torino, IT
DIN EN ISO 1135-4 DIN EN 13744 IEC 62623: 2012 DIN EN 13746 Sound Attenuation EN ISO 4869-1:2018 + 3 more
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EVALUATIONS CONSEILS ETUDES POUR L'ENVIRONNEMENT

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COFRAC 1-7268 Seichamps, FR
DIN ISO 17289 NF T 90-260 NF X 31-615 (Uniquement DIN EN ISO 10523 DIN EN 27888
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DIN EN ISO 1135-4 EN ISO 1135-5 DIN EN ISO 10993-1 DIN EN ISO 8637-1 DIN EN ISO 7199 + 2 more
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East Riding Laboratories

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UKAS 2398 Hull, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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Eckert & Ziegler Nuclitec

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Aktivität 20 Bq > 20 Bq Spezifische Aktivität radioaktiver Lösungen 20 Bq·g + 3 more
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Ecoricerche srl

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ACCREDIA 01202 Capua, IT
EPA 6020 DIN EN 12457-2 DIN EN 15634-1 EPA 3630 DIN EN 15408 + 3 more
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RvA L470 Bleiswijk, NL
ISO 5660-1 DIN EN 1365-1 EN 13381-4 DIN EN 1634-1 EN 1365-2 + 3 more
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UKAS 10169 Jordanstown, GB
EN 1364-3 DIN EN 1366-4 EN 1364-4 BS 476-21 BS 476-22 + 3 more
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Elektro Struß

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DAkkS D-K-15196-01-01 Nordenham, DE
Gleichspannung 30 mV / Messgeräte > 0,33 V > 3,3 V > 33 V + 3 more
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Elektro Wilhelm

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DAkkS D-K-20306-01-00 Weinstadt, DE
Taupunkttemperatur für Widerstands- ˃ 500 °C - Direktanzeigende Thermometer Thermoelemente ˃ 500 °C Widerstands- -50 °C + 3 more
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Elektro-, Meß- und Regeltechnik u. Industrieofenbau Schneider

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DAkkS D-K-19957-01-02 Witten, DE
− Direktanzeigende Thermometer − Temperaturanzeigegeräte und -simulator Railway brake — magnetic track brakes (U Railway brakes — electropneumatic brakes Tensile testing of metallic materials (I + 3 more
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Element Materials Technology Environmental UK

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UKAS 4225 Deeside, GB
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Element Materials Technology Environmental UK

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UKAS 0170 Heaton Mersey, GB
(HSG 264, 2012) HSG 227 (2004)) (HSG 248) – 2021 (PCM) based on HSG 248
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Element Materials Technology Sheffield

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UKAS 0136 Rotherham, GB
ISO 3651-2 ASTM A262 Methods A, C & E ISO 7438 ASTM G28-2022 Method A ASTM G48 Method A + 3 more
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Element Materials Technology Wednesbury

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UKAS 0621 Wednesbury, GB
DIN EN 1303 DIN EN 12209 DIN EN 14846 BS 3621:2007+A2:2012 BS 8621:2007+A2:2012 + 3 more
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Element Metech

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DAkkS D-K-15020-04-01 Norderstedt, DE
/ Messgeräte 0,001 V > 0,22 V > 2,2 V > 22 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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