Powder metallurgy brake plates are widely used in urban rail transit such as high-speed railways,EMU trains,and subways.They are the core parts to ensure the safe operation of vehicles.This paper analyzes the current situation of domestic research from three perspectives,academic,patent and industrialization.The research progress of friction materials,friction properties and maintenance processes was systematically analyzed from the academic perspective.A specific analysis of the processing and manufacturing and the structure of the plates was carried out from the perspective of patent.In terms of industrialization,the development of major domestic powder metallurgy brake production companies was summarized and analyzed.From the above three aspects,the progress and current problems in the field of powder metallurgy brake plates in China were summarized,and feasible solutions were proposed.According to the current research status,the development prospect of powder metallurgy brake plates is reviewed from the aspects of new research of brake plate,product development under extreme conditions,promotion of patent development and industrialization development.
维普
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