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| Composition design overview of Cu-based powder metallurgy friction material |
| LIU Jian-xiu，ZHANG Chi，FAN Jiang-lei，LI Yu-wen，SONG Yang，JIA De-jin |
| （Institute of Mechanical and Electrical Engineering， Zhengzhou University of Light Industry，Zhengzhou 450002， China） |
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Abstract Copper-based powder metallurgy friction material has become an important device for safe braking of high-speed trains due to its excellent comprehensive mechanical properties. The effects of alloy composition， friction component and lubrication component ratio on friction properties of copper-based powder metallurgy friction materials were summarized. The existing problems in preparation were pointed out， and the development direction of copper-based powder metallurgy friction materials was also prospected.
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Received: 18 April 2017
Published: 24 December 2018
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2018, Vol. 28 
