高铝冷轧镀锌双相钢点焊工艺研究

Orthogonal Optimization of Resistance Spot Welding Parameters for 600MPa High Aluminum Galvanized Dual Phase Steel

通过正交试验法,采用L16(45)正交表对600MPa级高Al冷轧镀锌双相钢WHT600DPDZ点焊工艺参数进行优化,得到了工艺参数对焊点质量的影响规律,并采用极差分析法获得了WHT600DPDZ镀锌板点焊的最佳工艺参数。采用优化的最佳工艺参数进行WHT600DPDZ镀锌板焊接试验,焊点质量检测结果表明焊点具有优异的综合性能。

In order to optimize the process parameters of resistance spot welding for 600MPa WHT600DPDZ high aluminum dual phase galvanized steel,orthogonal test was carried out with orthogonal table L16（45） to investigate the effect of process parameters on the weld performance and find the best welding condition through range analysis.By using the optimized parameter,the welding joint has excellent combination properties.This study provides important reference for selecting the proper welding condition and achieving ideal joint performance in welding operation.