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《Iron & Steel》 2017-12
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Stainless steel/carbon steel composite plate prepared by hot-roll bonding with pure iron as intermediate material

XIE Hong-biao;WANG De-wei;YU Chao;QI Zi-chen;XIAO Hong;National Engineering Research Center for Equipment and Technology of Cold Strip Rolling,Yanshan University;  
When stainless steel and carbon steel composites were produced by hot rolling under vacuum,C in carbon steel and Cr in stainless steel are easy to form carbides that reduce the bonding strength during hot rolling. To attempt to solve this problem,pure iron as intermediate material were used to bond stainless steel and carbon steel by hot rolling.The bonding strengths under different reductions were measured,and the microstructure and the distribution of elements of the composites were examined. The results show that when pure iron is used,the pure iron and the carbon steel have a metallurgical bonding. The diffusion of C from the carbon steel to bonding surface can be hindered,it decreases the formation of carbon chromium compounds,and it is beneficial to improve the bonding strength.
【Fund】: 国家自然科学基金资助项目(51474190)
【CateGory Index】: TG335.5
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