Preparation of Curved Pipe Liner Used in Concrete Pump Truck
Author of the article:ZHANG Hao;SUN Aimin;SHI Maoxiang;LYU Zhenlin
Author's Workplace：Ma'anshan City Haitian Heavy industry Technology Development Co.,Ltd.,Ma'anshan 243141,China;School of Materials Science and Engineering,Xi'an University of Technology,Xi'an 710048,China
Key Words：concrete pump truck curved pipe liner
Abstract：The wear failure analysis of curved pipe liner used in concrete pump truck shows that the wear mechanism of low carbon Cr26 high chromium cast iron liner is dominated by micro-cutting wear.Thus the hardness of Cr26 high chromium cast iron can be increased by addition of its carbon content to increase the service life of curved pipe.The results of erosion wear tests and practical running operations showed that erosion wear rate of high carbon Cr26 high chromium cast iron and the service life of composite curved pipe can be higher than that of low carbon Cr26 high chromium cast iron.The purpose of increasing the service life of concrete pump truck curved pipe is achieved.
