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Research and Development of Substrate for Automobile Exhaust Gas Purifier

DU Yujie,ZHOU Yun,ZUO Xiaoqing(Faculty of Materials Science and Engineering,Kunming University of Science and Technology,Kunming 650093)  
With the increasingly serious air pollution caused by automobile exhaust gas,the substrate used for automobile exhaust purification has become one of the focus for researchers.Development of ceramic substrate and metal substrate is described comprehensively,advantages and disadvantages of both performance and technology are analyzed.Combined with the study of the author,it is proposed that using metal powder plasticized extrusion techno-logy to produce metal honeycomb substrate material is a new development direction.
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