Analysis of Forming Mechanism of Thermal Damages on Friction Surfaces of Brake Disc

Abstract:

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There exist hotspots, fatigue cracks, and stress fracture on friction surfaces of steel or iron brake disc during service, and these thermal damages greatly contribute to the fatigue crack failure of the friction surfaces. So, it is very significant for researching on the forming mechanism of thermal damages above to prevent the fatigue failure of the friction surfaces from occurring. The method used in the paper is to combine FEM analysis with theoretical analysis. Forming mechanism, influencing factors and preventive measures of the thermal damages above was studied by use of the method. The temperature condition and microstructure evolution of hotspots, the behavior of thermal crack initiation and propagation and the distribution of thermal stress contributed to five constraints all were focused on.

Info:

Periodical:

Advanced Materials Research (Volumes 314-316)

Edited by:

Jian Gao

Pages:

1135-1141

DOI:

10.4028/www.scientific.net/AMR.314-316.1135

Citation:

Z. Y. Yang et al., "Analysis of Forming Mechanism of Thermal Damages on Friction Surfaces of Brake Disc", Advanced Materials Research, Vols. 314-316, pp. 1135-1141, 2011

Online since:

August 2011

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Price:

$35.00

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