R60702/TAI/16MnIII复合板爆炸焊接数值模拟与试验
Numerical simulation and experiment on explosive welding of R60702/TA1/16MnIII composite plate
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摘要: 随着爆炸焊接技术的发展，锆−钢复合板作为一种特殊的耐蚀复合材料，结合了锆优良的耐蚀性能和钢的高强度的优点，在工业中的需求量也逐步增加. 以爆炸焊接理论为基础，采用数值模拟和试验分析相结合的方法，在ANSYS/LS-DYNA软件中模拟R60702/TAI/16MnIII复合板不同间隙值组合下爆炸焊接的动态过程. 分析间隙值对整个R60702/TAI/16MnIII复合板爆炸焊接成形的影响. 结果表明，当锆−钛间距/钛−钢间距取值为12/6 mm时，可以实现良好焊接. 对试验焊接后R60702/TAI/16MnIII复合板上不同位置处的试样进行扫描电镜分析，观察复合板界面的结合状况，为选择更合适的工艺条件提供数据支撑，有利于指导生产实践.Abstract: With the development of explosive welding technology, the demands of explosive welding of Zr/Steel plate are increasing. Composite plate of the Zr/Steel, as a specific anti-corrosion composite material, possesses the combined characteristics of the excellent corrosion resistance property of zirconium and the high-strength property of steel. Based on the theory of explosive welding, the dynamic process of the explosive welding was simulated by ANSYS/LS-DYNA software. The influences of gap values on welding joint formations of the R60702/TAI/16MnIII metal sheets were analyzed. The results showed that when the assorted gaps among zirconium and titanium/titanium and steel were 12 mm and 6 mm, the welding quality was favorable. Interfacial bonding of the R60702/TAI/16MnIII composite material obtained by explosive welding experiment was studied by a scanning electron microscope. These experimental data could be used to choose the suitable technical conditions, which was beneficial to guiding production practice.
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