Development of Cast Steel for Brake Disc of High-Speed Train

Ji Shan Li; He Ping Li; Biao Qiang Jiao; Bao Jia Lv; De Feng Chen; Lei Lei Gu

doi:10.4028/www.scientific.net/AMM.419.370

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 419Development of Cast Steel for Brake Disc of...

Development of Cast Steel for Brake Disc of High-Speed Train

Abstract:

In this paper, based the actual application condition of domestic and international brake disc for high-speed train, the low-alloy cast steel of the brake disc for high-speed train is developed. The chemical composition, melting and casting processes as well as heat treatment technology of disc material are studied. The new low-alloy cast steel has the ideal metallographic microstructure, proper physical and mechanical properties. The tensile strength is more than 1100Mpa in 20°C condition, the impact energy value (Aku2) is more than 8J in-60°C condition. The test results show the new low-alloy cast steel developed can meet the brake disc performance requirements for 380km/h high-speed train.

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Periodical:

Applied Mechanics and Materials (Volume 419)

Pages:

370-375

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.419.370

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Online since:

October 2013

Authors:

Ji Shan Li, He Ping Li, Biao Qiang Jiao, Bao Jia Lv, De Feng Chen, Lei Lei Gu

Keywords:

Brake Disc, High-Speed Train, Material Study, Test Analysis

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References

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