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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DAkkS D-ML-20700-01-00 Hamburg, DE
Thombozyten-Funktionstest 10-OH-Carbazepin 11-Deoxycorticosteron 11-Deoxycortisol 21-Deoxycortisol + 3 more
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DAkkS D-PL-22114-01-01 Hamburg, DE
DIN EN 1040 DIN EN 1275 2006-03 IEC 60127-6 DIN EN 12791 2018-01 DIN EN 13624 2022-08 + 3 more
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DAkkS D-K-18768-01-00 Gießen, DE
Vickers hardness test (ISO 6507) Kolbenhubpipetten* Einzelhubdispenser* Mehrfachdispenser* Railway braking — urban guided transport + 3 more
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Lysozym = Sexualhormon bindendes Prolaktin Freies Thyroxin 4 (FT4) Beta-Defensin 2 + 3 more
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DAkkS D-K-19202-01-00 Strausberg, DE
Relative Feuchte / 10 % Wasseraktivität hygrometrische *) > 30 % Einstechsensoren und + 3 more
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DAkkS D-K-15019-01-01 Landkreis Fürstenfeldbruck, DE
Hochspannung - Wechselspannung Bereiche Rechteckspannung Amplitudenparameter + 3 more
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− Durchmesser − Parallelendmaße − Formabweichung − Strichmaße, Abstände − Virtuelle Koordinatenmessgeräte + 3 more
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DAkkS D-PL-14078-01-03 Wesseling, DE
DIN 19698-1 DIN 19698-2 DIN ISO 11464 DIN EN ISO 54321 DIN EN 12457-4 + 3 more
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DAkkS D-K-15055-01-01 Hanau, DE
- Gleichspannung / Messgeräte > 0 V > 0,22 V > 2,2 V + 3 more
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DAkkS D-K-21048-01-00 Kirchzarten, DE
Positiver und negativer Positiver Überdruck p e 1) In den CMC sind die erweiterten Messu
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UKAS 10852 Hemel Hempstead, GB
BS 4401-1:1998 Using N008-1 based on BS EN ISO 12966-4 2015 N008-2 based on BS EN N011 based on BS 4401-9:1975 and BS 770- + 3 more
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DAkkS D-K-21115-01-00 Zwickau, DE
Industrielle Messtechnik ≤ 860 mm GmbH, Oberkochen, D
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DAkkS D-PL-18869-01-01 Magdeburg, DE
DIN EN ISO 9117-3 DIN EN ISO 9117-5 DIN EN ISO 1463 DIN EN ISO 2808 DIN EN ISO 2178 + 3 more
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DAkkS D-K-17060-01-00 Tettnang, DE
Taupunkttemperatur –0,91 bar bis Positiver und negativer Überdruck p *) (ein- oder mehrgängige + 3 more
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UKAS 1916 Hebden Bridge, GB
on BS 4401:Part 3:1970(1986) ISO 12966-1:2014 and ISO 12966-4 CH 4026 based on BS 5766:Part CH 4001 based on BS EN 12014- + 3 more
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ift Rosenheim

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DAkkS D-PL-11349-01-01 Rosenheim, DE
ASTM E 330/E 330M ASTM E 283/E283M DIN 4103-1 DIN 68706-1 UNE-EN 12211 + 3 more
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DAkkS D-PL-21129-01-03 Gießen, DE
DIN EN ISO 5667-1 (A 4) DIN ISO 5667-5 (A 14) DIN EN ISO 5667-3 (A 21) DIN EN ISO 19458 (K 19) DIN 19643-1 + 3 more
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DAkkS D-K-15219-01-02 Helmstadt, DE
Taupunkttemperatur fixpunktzellen Railway braking — urban guided transport Railway vehicle body structural requirem SPRT-Sensor + 3 more
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DAkkS D-K-19194-01-00 Idstein, DE
Absolutdruck p abs > 0,8 bar > 1,2 bar > 20 bar + 3 more
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iocto

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DAkkS D-K-21204-01-00 Hofheim am Taunus, DE
Taupunkttemperatur direktanzeigende −45 °C Railway vehicle body structural requirem Widerstandssensor direktanzeigende > 200 °C + 3 more
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DAkkS D-ML-13309-01-00 Dresden, DE
Basophile Eosinophile Erythrozyten Hämatokrit Leukozyten + 3 more
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DAkkS D-ML-19652-01-00 Frankfurt, DE
Großes Blutbild TSH Immunglobulin E 25-OH-Vitamin D Vitamin B12 + 3 more
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Basophile Eosinophile Erythrozyten Hämatokrit Leukozyten (Zellzahl) + 3 more
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qbig

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DAkkS D-K-21619-01-00 Leer, DE
Durchflussmess- 13 m³/h - Hochspannungsmessgrößen > 25 m³/h Volumendurchfluss > 40 m³/h + 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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