阅读说明：本技术 一种开闭孔共存结构的泡沫铝及其制备方法 (Foamed aluminum with open-close hole coexisting structure and preparation method thereof ) 是由 左大中 张晓玲 于 2020-07-12 设计创作，主要内容包括：本发明公开一种开闭孔共存结构的泡沫铝及其制备方法,将开孔泡沫铝制备技术与闭孔泡沫铝制备技术相融合,相关制备方法包括如下步骤：首先选择适当的开孔泡沫铝造孔剂放入模具中预热,接近待渗入含有发泡剂的铝液温度；同时,将纯铝或铝合金加热至熔化,再加入发泡剂搅拌均匀；然后在压力下,迅速将含有发泡剂的铝液渗入到造孔剂的缝隙中；待渗入完成后,将压力迅速调整为常压,使发泡剂工作产生闭孔气泡,冷却后从模具中取出成型后的泡沫铝材料并利用水或其它水溶液将造孔剂去除,得到开闭孔共存结构的泡沫铝材料。(The invention discloses foamed aluminum with an open-close pore coexisting structure and a preparation method thereof, wherein the preparation technology of open-pore foamed aluminum is fused with the preparation technology of closed-pore foamed aluminum, and the related preparation method comprises the following steps: firstly, selecting a proper amount of open-cell foamed aluminum pore-forming agent, placing the open-cell foamed aluminum pore-forming agent into a mold, and preheating the open-cell foamed aluminum pore-forming agent to be close to the temperature of aluminum liquid containing a foaming agent to be permeated; meanwhile, heating pure aluminum or aluminum alloy to be molten, adding a foaming agent and uniformly stirring; then, under pressure, rapidly infiltrating aluminum liquid containing a foaming agent into gaps of the pore-forming agent; and after the permeation is finished, rapidly adjusting the pressure to normal pressure to enable the foaming agent to work to generate closed-cell bubbles, cooling, taking out the molded foamed aluminum material from the mold, and removing the pore-forming agent by using water or other aqueous solutions to obtain the foamed aluminum material with the open-close pore coexisting structure.)