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Sergienko V.P., Candidate of Technical Sciences; V.A. Belyi Metal-Polymer Research Institute of NAS of Belarus, Gomel, the Republic of Belarus, E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

Bukharov S.N., V.A. Belyi Metal-Polymer Research Institute of NAS of Belarus, Gomel, the Republic of Belarus

Year 2009 Issue 4 Pages 27-33
Type of article RAR Index UDK 621.891:621.894:534.1 Index BBK  

The paper presents investigation results in the effect of structure and composition of frictional materials used in vehicle brake and transmission designs on their dynamic characteristics and vibroacoustic activity of friction joints. The data are reported on the dependence of dynamic characteristics upon the polymer matrix type, fibrous filler orientation and geometry, degree of binder solidification, and the presence of matrix phase plasticizers. It is shown that damping ability depends much on the load and temperature operation parameters, and may vary within a wide range in response to the material composition and structure. Damping ability of frictional materials has been studied in respect to its influence on vibration and noise generation and levels in the friction units. Test results of dry clutch on inertial dynamometer are cited that have supported the possibility of the effective reduction of vibroacoustic activity of the friction units by way of choosing optimal composition and structure of the friction material for friction pairs.


Vehicle brake, vibroacoustic activity, friction joints, dynamic characteristics, damping ability

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