Effect of annealing on properties of Al/steel composite plates prepared by surface oxidation treatment before cold roll bonding
作者机构：National Engineering Research Center for Equipment and Technology of Cold Strip RollingYanshan UniversityQinhuangdao 066004HebeiChina
出 版 物：《Journal of Iron and Steel Research(International)》 (钢铁研究学报（英文版）)
年 卷 期：2023年第30卷第4期
页 面：749-759页
核心收录：
学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学]
基 金：the National Key Research and Development Program of China(Grant No.2018YFA0707300) the National Natural Science Foundation of China(Grant Nos.52075472 and 52004242) the National Science Foundation of Hebei Province(Grant No.E2020203001).
主 题：Al/steel composite plate Oxidation treatment Annealing treatment Shear strength Cold roll bonding
摘 要：Al/steel composite plate has a wide application prospect,but great differences in properties between Al and steel are observed.It is difficult to obtain high bonding strength by the traditional cold roll bonding process.Al/steel composite plate was thus prepared by cold roll bonding at a reduction rate of 60%after oxidation treatment on the surface to be composited on the steel side.The heat treatment of holding at 400℃ for 1 h and cooling with the furnace was then adopted.The bonding strength,microstructure,and properties of the Al/steel composite plate before and after annealing were analysed and compared through shear test,bending test,tensile test,and micro-characterization.Results show that the shear strengths of the interface before and after annealing are 100 and 80 MPa,respectively.Although the shear strength of the annealed Al/steel composite plate decreases,the bending and overall tensile properties of the composite plate are improved,showing better mechanical properties.
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