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A Contribution to the Understanding of Friction and Squeal of Automotive Brakes: Wear Particle Generation and Deformation of Sliding Surface Region Influencing the Friction Coefficients of Copper-Free Disc Pads SKR Consulting LLC
- Format:
- Book
- Conference/Event
- Author/Creator:
- Rhee, Seong Kwan, author.
- Conference Name:
- Brake Colloquium & Exhibition - 39th Annual (2021-10-17 : Orlando & Online, Florida, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2021
- Summary:
- Copper-free disc pads of 9 different compositions were made using a traditional hot molding process and tested to study frictional behavior. It is found that the friction coefficient consists primarily of two parts; one part controlled by the plastic deformation of the friction surface region of the disc and pad, and the second part controlled by the total wear of the disc and pads. As the plastic deformation and the wear are non-linear with respect to the load and sliding speed, the friction coefficient becomes a non-linear function of the load and speed. Under moderate braking conditions, the plastic deformation part is more significant in determining the friction coefficient while under more severe braking conditions, the wear contribution becomes more significant. The frictional behavior of a fade cycle is explained, and the correlation between brake squeal and disc wear is confirmed
- Notes:
- Vendor supplied data
- Publisher Number:
- 2021-01-1288
- Access Restriction:
- Restricted for use by site license
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