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A Study of the Influence of Pad Properties and Disc Coning on High Speed Judder Hyundai Mobis
- Format:
- Conference/Event
- Author/Creator:
- Cho, Cho, author.
- Conference Name:
- SAE 2012 Brake Colloquium & Exhibition - 30th Annual (2012-09-23 : San Diego, California, United States)
- Language:
- English
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2012
- Summary:
- The effects of pad properties and thermal coning of discs on high speed judder were investigated using dynamometer and vehicle tests. The friction materials of different thermal conductivities were manufactured and the discs were design-modified to control the thermal coning during braking under high speed conditions. Brake Torque Variation(BTV) was measured to evaluate the judder propensity in the dynamometer tests and the vibration on steering wheel and brake pedal was measured in the vehicle tests. The results showed that the increase of thermal conductivity of pad could not affect the judder propensity during high speed braking below 350°C of disc temperature, however better disc design reduced judder propensity due to the lower thermal deformation. Moreover, the increase of pad compressibility can reduce judder propensity due to the increase of damping capacity
- Notes:
- Vendor supplied data
- Publisher Number:
- 2012-01-1815
- Access Restriction:
- Restricted for use by site license
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