In experiment, the dsc technique was used to analyze the effect of electric fields on the precipitate kinetic of al-li alloy solutionized with electric fields . the energy spectrum, tem and sem techniques are employed to investigate the elements solution, precipitates, fracture character, conductivity and vickers hardness . also, the solidification of al-cu eutectic alloy was conducted with the influence of electric fields 在實驗上,利用dsc熱分析技術(shù),分析了電場作用對al-li合金相析出動力學(xué)的影響;采用能譜成份檢測,透射電鏡和掃描電鏡等多種微觀檢測手段,對鋁合金的析出相,斷裂特征、合金電導(dǎo)率和維氏硬度等性能在電場作用下的變化進行了系統(tǒng)的研究,并觀察了al-cu共晶合金在電場作用下的凝固組織。