采用涤纶长丝为原料,以成型针织技术与有机材料浸渍法成功制备了具有高孔隙率(＞80％)、开孔结构的泡沫铜.根据有机材料浸渍法的工艺特点讨论了金属浆料性能和烧结工艺的影响因素.同时分析检测了泡沫铜孔隙形貌和压缩性能,并对一次浸渍和二次浸渍两种工艺流程制备得到的泡沫铜结构性能进行了对比.结果表明:金属浆料的pH值对浆料的流变特性有很大的影响;通过二次浸渍工艺可以改变泡沫铜的微观组织结构,二次浸渍后泡沫铜材料孔隙率变化不大,这对改善材料的能量吸收性能具有重要意义.
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