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
๐Ÿ‡ง๐Ÿ‡ช NBN EN 15152 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 15152 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 15152 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 15152 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 15152 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 15152 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 15152 ๐Ÿ‡ง๐Ÿ‡ช NBN EN 13571 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 13571 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 13571 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 13571 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 13571
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21 Countries

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UKAS 23262 London, GB
Whole Blood Full blood count | 520 Whole Blood Full blood count | SOP LAB 1 A, B, O, Rh (D) | SOP LAB 11 Blood Phlebotomy | SOP LAB 03 Biochemistry examination activities | Ro + 3 more
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UKAS 0173 London, GB
(HSG 264, 2012)
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UKAS 1931 London, GB
BS 7976-2 (HSG 248) โ€“ 2021 (PCM) based on HSG 248 E203 based on HSG 248 E200 based on HSG 248 + 1 more
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UKAS 4021 Rogerstone, GB
PRESSURE Hydraulic pressure (gauge) TEMPERATURE DC VOLTAGE INDUCTANCE + 3 more
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UKAS 4494 Southampton, GB
(HSG 248) โ€“ 2021 staining based on HSG 248 (PCM) based on HSG 248 QP23 based on HSG 248
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AC & MS

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UKAS 2742 Canvey Island, GB
(PCM) based on HSG 248 Analystsโ€™ Guide (HSG 248)
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UKAS 0144 Glasgow, GB
(HSG 264, 2012) HSG 227 (2004) (HSG 248) โ€“ 2021 (PCM) based on HSG 248
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UKAS 1282 Templeborough, GB
ISO 4832 ISO 11290-1 ISO 11290-2 ISO 21528-1 ISO 22964 + 3 more
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UKAS 2136 Hebburn, GB
(HSG 248) โ€“ 2021 QOP03 based on HSG 248 (PCM) based on HSG 248 QOP01 based on HSG 248
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UKAS 31262 Belfast, GB
Morphological assessment and interpretat Molecular examination activities Immunohistochemistry examination activit Immunohistochemistry to detect CLDN 18 + 3 more
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UKAS 4352 Liverpool, GB
DIN EN ISO 15213-2 ISO 11290-1 ISO 11290-2 ISO 21528-2 ISO 6579-1 + 3 more
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AWE

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UKAS 1854 Reading, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248 LQP007 based on HSG 248 LQP003 based on HSG 248
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UKAS 0477 Gosport, GB
the guidance of GPG 14 PERSONAL DOSE EQUIVALENT: RESPONSE:
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UKAS 2418 Cleckheaton, GB
(HSG 264, 2012) (HSG 248) โ€“ 2021 Appendix 5 of HSG 227 staining based on HSG 248 (PCM) based on HSG 248
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AIRO

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UKAS 0483 Hemel Hempstead, GB
DIN EN 1793-1 DIN EN 1793-2 ISO 1407 ISO 7171 ISO 354 + 3 more
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UKAS 0653 Milton Keynes, GB
Sound Calibrators Pistonphones based: level Microphones + 2 more
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UKAS 8504 Glasgow, GB
(HSG 264:2012) HSG 227 Appendix 5: By HSG 227 Appendix 3: By
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UKAS 9997 London, GB
Helicobacter pylori Measurement Collagen Muscle: Smooth/striated | Desmin Erythrocytes + 3 more
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UKAS 1611 Chadderton, GB
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN 10164 ISO 6506-1 ISO 6507-1 + 3 more
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Air Surveys

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UKAS 0553 Wandsworth, GB
ASB/SOP/OM8 based on HSG 248 (HSG 264, 2012) (HSG 248) โ€“ 2021 (PCM) based on HSG 248 (PCM) based on HSG 248) + 2 more
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UKAS 2054 Manchester, GB
(HSG 264, 2012) (HSG 248) โ€“ 2021 (PCM) based on HSG 248 AEC 1 based on HSG 248 AEC 6 based on HSG 248
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UKAS 4376 Alton, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248
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UKAS 0681 Writtle, GB
(HSG 264, 2012) Surveying for asbestos in premises (HSG 248) โ€“ 2021 staining based on HSG 248 (PCM) based on HSG 248
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UKAS 9091 Liverpool, GB
Ethanol Cortisol Glucose Gentamicin Insulin + 3 more
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UKAS 1765 Kilmarnock, GB
DIN EN ISO 16994 DIN EN 15408 DIN EN 16117-1 DIN EN ISO 21654 DIN EN 15411 + 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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