Interfacial structure of 316L/EH40 clad plate with iron-cobalt-nickel alloy as interlayer
JIN He-rong1,2, KONG Yao-jie3, ZHANG Yi3, CUI Jing-bin3, YI Ya-li3
1. Key Laboratory of Advanced Forging and Stamping Technology and Science of Ministry of National Education, Yanshan University, Qinhuangdao 066004, Hebei, China; 2. Parallel Robot and Mechatronic System Laboratoryof Hebei Province, Yanshan University, Qinhuangdao 066004, Hebei, China; 3. School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China
Abstract：In order to improve the vacuum degree of stainless steel clad plate with layer. A method for preparing layer from molten metal is proposed. Based on vacuum suction molding principle. With equal atomic ratio Fe-Co-Ni alloy is selected as the layer material. Filling it into the composite billet under the effect of vacuum pressure with a molten state. The hot rolling test is used to perform the hot compression forming test on the filling test,which process parameters is simulated by numerical simulation method. The morphology of the interface of the clad plate is analyzed by optical microscope SEM and other instruments. The results showed that,the layer is completely filled and the filling rate reaches 100%. The tensile strength and shear strength are 490 MPa and 319 MPa. The interface between Fe-Co-Ni alloy and stainless steel and carbon steel is flat,compound well and less oxide. The thickness of the layer after compression is greater than the diffusion distance of carbon and chromium and avoid chromium carbide formation.
金贺荣, 孔耀颉, 张一, 崔敬斌, 宜亚丽. 采用铁钴镍合金夹层的316L/EH40复合板界面特征[J]. 钢铁, 2020, 55(10): 63-68.
JIN He-rong, KONG Yao-jie, ZHANG Yi, CUI Jing-bin, YI Ya-li. Interfacial structure of 316L/EH40 clad plate with iron-cobalt-nickel alloy as interlayer[J]. Iron and Steel, 2020, 55(10): 63-68.
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2020, Vol. 55 
