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Carlisle Releases New Generation Friction Materials

Carlisle Brake & Friction explained latest developments in brake and transmission friction materials for high power density applications.

Alessandro Gamba, Friction Research & Development director at Carlisle Brake & Friction, told Diesel Progress International that his company has been working to develop and launch its latest friction material generation and grow its presence in the off-highway market for brake discs and transmissions. Among the company’s target markets are also aerospace and military.

“Lately we have concentrated on the development of a new generation of friction materials for wet applications launching three new products on the market (N680, EPD468 and EPD824) in the last twelve months,” said Gamba.

“We are seeing an increasing number of power-dense applications, which require materials that can handle higher energy. Our latest solutions offer this and in turn provide designers an opportunity to reduce the overall footprint of the brake system, by reducing the number of discs in the complete system. Reducing the transmission package, saving on fuel consumption and increasing battery life in electric applications, are all benefits that can be achieved with innovative friction materials.”

In the 1980s, the market for friction materials transitioned from 1960s-era sintered metal formulas to standard papers simultaneously enabling higher energy applications and reducing costs.

In the early 2000s Carlisle developed carbon-based papers to further increase the energy limit of wet friction papers. These materials are now primarily used for high-energy brake and transmission applications. Development in this area still continues, and the recently released N680 type has become the latest reference material for heavy-duty applications, from powershift transmissions to brakes.

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https://www.dieselprogress.com/news/advanced-friction-materials/8011442.article