Using resistance furnace, the structure of A356 aluminum alloy casted by nearby liquidus semi-continuous was studied during remelting by means of electron microscope and image analysis apparatus.

• 利用电阻炉加热,采用电子显微镜及图象分析仪,研究了近液相线铸造A356铝合金在二次加热过程中的组织变化。