This paper demonstrates the enhancement of mechanical properties and effective optimization of pulsed GTAW process parameters on aluminium alloy 6061 using sinusoidal AC wave with argon plus helium gas mixtures. Modif...This paper demonstrates the enhancement of mechanical properties and effective optimization of pulsed GTAW process parameters on aluminium alloy 6061 using sinusoidal AC wave with argon plus helium gas mixtures. Modified Taguchi Method (MTM) was employed to formulate experimental layout and to study effect of process parameter optimization on mechanical properties of the weld joints. Microstructural characterization of weld joint was carried out to understand the structural property correlation with process parameters.展开更多
文摘This paper demonstrates the enhancement of mechanical properties and effective optimization of pulsed GTAW process parameters on aluminium alloy 6061 using sinusoidal AC wave with argon plus helium gas mixtures. Modified Taguchi Method (MTM) was employed to formulate experimental layout and to study effect of process parameter optimization on mechanical properties of the weld joints. Microstructural characterization of weld joint was carried out to understand the structural property correlation with process parameters.
基金The research is co-financed by the European Regional Development Fund under NCBR POIR.04.01.04-00-0006/19 grant,“Cross-belt system for automated sorting of unit loads by a two-stage method”,performed in 2019-2022.
文摘采用人工神经元网络对时效硬度进行预测,并对两阶段时效工艺参数对时效硬度的影响规律进行研究.研究结果表明:在本研究的温度时间范围内,第2阶段时效温度对时效硬度的影响非常显著,而第1阶段时效温度和时间及第2阶段时效时间对时效硬度的影响不太明显,这与正交试验结果相同.人工神经网络与正交试验分析方法相结合,确定的最优时效工艺参数为170℃×70 min+210℃×50 min.