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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Clearview Environmental

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UKAS 6536 Leicester, GB
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UKAS 9102 Bellshill, GB
(HSG 248) – 2021 SRV-002 based on HSG 248 (PCM) based on HSG 248
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CoMech Metrology

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UKAS 0318 Derby, GB
Chronic progressive external Depth Internal Dial gauges and dial test Caliper + 3 more
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Coesfeld

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DAkkS D-K-15093-01-00 Dortmund, DE
Kraft (WPM) Belastungseinrichtungen von Werkstoffprüfmaschinen Länge (WPM) 0,5 mm messeinrichtungen von + 3 more
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Common Services Agency – NHS National Services Scotland

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UKAS 0595 1 South Gyle Crescent, GB
simulation. parameters and ranges) digital and analogue
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Compli Group

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UKAS 4332 Poole, GB
DC CURRENT DC Resistance Oscilloscope Calibration DC VOLTAGE CAPACITANCE + 3 more
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ConCert Servicezentrum Bayerischer Untermain

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Messgeräte 0,001 V > 0,22 V > 2,2 V > 11 V > 22 V + 3 more
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Conatex Ludwig Colbus

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DAkkS D-K-15160-01-00 St. Wendel, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Taupunkttemperatur Temperatur −40 °C Railway braking — urban guided transport + 3 more
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Construction Testing Solutions

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UKAS 4161 Leicester Forest East, GB
DIN EN 933-11 DIN EN 12390-3 DIN EN 933-3 DIN EN 12390-7 DIN EN 12697-5 + 3 more
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Construction Testing Solutions

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UKAS 0783 Duckmanton, GB
DC CURRENT LENGTH DC Resistance DC VOLTAGE Cold junction compensation + 3 more
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Control Union Certifications

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RvA I192 Zwolle, NL
DIN 10172-3 (CD45/CD19/CD5/CD20/CD23/CD20
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Cooper Health Clinic Laboratory

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Chloride Potassium Sodium Differential Blood Count White Blood Cell Count + 3 more
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UKAS 6830 Fletching Common, GB
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Coretec - Service

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DAkkS D-K-21661-01-00 Linden, DE
Absolutdruck Positiver und negativer -3,92 kPa 4,02 kPa Railway brakes — brake performance (UIC Lungensimulator
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Corserv Solutions

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UKAS 0756 Redruth, GB
DIN EN 933-1 (PCM) based on HSG 248 (HSG 248) – 2021 DIN EN 932-1 DIN EN 932-2 + 3 more
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Crucial Environmental

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UKAS 9418 Worthing, GB
(HSG 264, 2012)
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Crusader Risk Management

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UKAS 31255 Swinton, GB
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ACCREDIA 01702 Milano, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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Cube Environmental

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UKAS 6856 Basildon, GB
(HSG 248) – 2021 (HSG 264, 2012)
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Cybertech

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ACCREDIA 01852 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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DB Systemtechnik GmbH Messprozesse, Kalibrier- und Prüfstelle

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DAkkS D-K-11081-02-01 Chemnitz, DE
Parallelendmaße * 0,5 mm DIN EN ISO 3650:1999 auch Vor-Ort Kalibrierung bahntypischer –0,26 mm + 3 more
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DBI - Gastechnologisches Institut gGmbH Freiberg DVGW-Prüflaboratorium Energie

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DAkkS D-PL-11072-01-01 Freiberg, DE
DIN EN ISO 9012 ISO 22967 ISO 22968 (SPG42), SPAST (SPG4), SPG11, SPG7, VAMP DIN EN 30-1-1 + 3 more
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DECOM-UGK Werkzeugtechnik

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DAkkS D-K-17567-01-01 Lauf a. d. Pegnitz, DE
(ein- und mehrgängige zylindrische Außen- und metrischem Profil) Außengewinde Nenndurchmesser Flankendurchmesser 1 mm + 3 more
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DEKRA Automobil

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DAkkS D-PL-11060-03-05 Stuttgart, DE
DIN EN ISO 5667-3 DIN EN ISO 15587-2 DIN EN 12457-4 DIN EN 13346 DIN EN 13657 + 3 more
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RvA I327 Arnhem, NL
DIN EN 60076-3 DIN EN 60076-10 DIN EN 60076-1 DIN EN 60076-4 DIN EN 60076-11 + 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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