通过建立闭孔泡沫铝表面积模型,并进行相应的腐蚀试验,研究了泡沫铝孔结构参数与表面积和耐腐蚀性能的关系.结果表明:平均孔径一定时,材料孔隙率越大,实际表面积越大;孔隙率一定时,平均孔径越小,实际表面积越大;闭孔泡沫铝的耐腐蚀性远低于实体金属,在孔径相近情况下,随孔隙率的增大,耐腐蚀性能下降;孔隙率增加,使材料耐腐蚀性能下降的根本原因是表面积的增大.
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