Shaft mounted brake disk of SiC granule enhanced aluminium based composite material
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING JIAOTONG UNIV
- Publication Date
- 2006-06-14
- Estimated Expiration
- Not applicable Β· inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a shaft-mounted aluminum-based composite material brake disc, which is suitable for 200km / h high-speed trains. technical background
[0002] Disc brake is one of the important braking methods of trains. The development of high-speed trains puts forward higher requirements for the material quality, life and safety and reliability of brake discs. At present, the large-scale use of brake discs is made of steel materials, which have the inherent disadvantages of high density and poor thermal conductivity, resulting in large thermal stress and high temperature rise during the braking process of the brake disc, and hot spots are prone to occur on the disc surface. ; The brake disc made of vermicular iron material, alloy cast iron or vermicular iron material is very noisy during braking. At present, in order to overcome the above-mentioned shortcomings, Japan, France, Germany, the United Kingdom, and the United States are all develop...