焊接热模拟实验参数对实验结果的影响规律研究

Study on Effect Rule of Experiment Parameters of Welding Thermal Simulation on Experiment Result

利用Gleeble3800热模拟仪、金相显微镜、硬度仪等手段对Q960EQP热模拟试样进行焊接热模拟实验及组织观察分析。结果表明,焊接线能量、预热温度等参数直接影响冷却段曲线,从而进一步影响实验结果。可通过优化工艺来提高冲击韧性值。

By welding thermal simulation experiment for Q960EQP thermal simulation specimen and microstructure observation by Gleeble3800 thermal simulation,metallographic microscope and hardness tester,the results showed that the parameters of welding line energy and preheating temperature influenced the cooling curve directly and further affected the experiment result. Optimizing process could improve the impact toughness values.