Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
ISSN-L : 0033-9008
PAPERS
Measurement and Evaluation Method of Dynamic Deformation of Brake Disc
Shin-ichi SAGAYasuhiro TOYOSAKI
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2018 Volume 59 Issue 4 Pages 255-261

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Abstract

The disc brake is mounted on the high speed vehicle from a thermal problem point of view. By the influence of the frictional heat generated remarkably by a higher speed, the braking performance of the disc and the pad is reduced in some cases. Therefore, past researches have been conducted mainly with a focus on the friction surface observed by the high-speed thermo-camera. Then, we have established a method of measuring the disc deformation during braking. In this paper, we report on the results of the investigation of the relationship between the deformation and the friction phenomenon executed by dynamo bench tests.

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© 2018 by Railway Technical Research Institute
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