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《Journal of University of Science and Technology Beijing》 2008-11
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Interfacial microstructure and properties of clad steel pipes by centrifugal casting and extruding

LIU Jianbin1),HAN Jingtao1),XIE Guoliang1),BAO Shanqin2),WANG Lihui3)1) School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China 2) Sichuan Great Wall Steel Pipe Co.Ltd.,Jiangyou 621700,China 3) Xinxing Pipes Co.Ltd.,Wuan 056300,China  
Clad steel pipes of 20Cr/1Cr18Ni9Ti were prepared by centrifugal casting and extruding.The interfacial microstructure of the preproduction clad steel pipes was analyzed by SEM and the mechanical properties were tested by tensile test and thermal cycling test.The results show that the clad steel pipes get completely metallurgical bonding interface with greatly increased bonding strength and their processability and service performance are improved due to transversal area in the interface.It is indicated that not only the centrifugal casting and extruding process can be used to produce the clad steel pipes with better microstructure and properties,but also its working procedure is simple and its production cost is low.
【CateGory Index】: TG249.4
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【Citations】
Chinese Journal Full-text Database 3 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
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【Secondary Citations】
Chinese Journal Full-text Database 4 Hits
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