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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ACCREDIA 00044 Varese, IT
DIN EN 61439-1 IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-6: 2013 + 3 more
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ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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UNI EN 15662
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ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6888-2 DIN EN ISO 21528-2 + 3 more
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ISO 1928 ISO 562 ISO 579 ISO 589 ISO 1171 + 3 more
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ISO 11948-1 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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ISO 4832 ISO 21527-1 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 6888-2 + 3 more
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ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
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DIN EN 15984 ASTM D5291-21 DIN EN 15984 ASTM D5291-26
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DIN EN 13657 ISO 11731 ISO 6222 ISO 7899-2 ISO 9308-1 + 3 more
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ISO 11731 ISO 6222 ISO 7899-2 ISO 9308-1 ISO 23695 + 3 more
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ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6888-2 + 3 more
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DIN EN ISO 19458 DIN EN ISO 10304-1 DIN EN ISO 17294-2 VDE 414-9-11 ISO 11731 + 3 more
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DIN EN 27888 DIN EN ISO 4833-1 DIN EN ISO 11885 DIN EN 13657 DIN EN ISO 10523 + 3 more
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ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 6579-1 DIN EN ISO 6888-2 + 3 more
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ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 7932 + 3 more
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Circ Min Trasp n 18911 02/08/2018
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DIN EN ISO 12937 DIN EN ISO 18122 DIN EN ISO 18125 ISO 1928 DIN EN ISO 8754 + 3 more
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DIN EN 13126-19 DIN EN ISO 11885 DIN EN 13657 DIN EN 14346 DIN EN ISO 12846 + 3 more
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ISO 4832 DIN EN ISO 6579-1 DIN EN ISO 21528-2 ISO 11731 DIN EN ISO 4833-2 + 3 more
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ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 11290-2 DIN EN ISO 21528-2 + 3 more
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DIN EN 27888 ISO 18787 ISO 6496 ISO 4832 ISO 21527-1 + 3 more
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DIN EN 27888 DIN EN 13126-19 DIN EN ISO 11885 DIN EN 13657 DIN EN ISO 10523 + 3 more
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ISO 4832 ISO 15214 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 + 3 more
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ISO 18787 ISO 21527-1 ISO 21527-2 ISO 11731 ISO 6222 + 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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