采用雾化法制得铜镍铝粉体,并对其进行热压烧结,制备了熔融碳酸盐燃料电池阳极用多孔铜镍铝烧结体,研究了铜镍铝雾化粉的形貌及其烧结体的显微组织、压缩性能,并对多孔烧结体孔隙形貌进行了有限元模拟.结果表明:采用雾化法制得的铜镍铝粉体颗粒为近球形,平均粒径为39 μm,其粒度变化区域较小且比较集中,主要由铜相和AlNi相组成;烧结体的成形完整,抗压强度为10MPa,粉体颗粒之间结合紧密,孔洞为通孔和开孔;孔隙形貌对多孔铜镍铝合金烧结体的结构影响很大,孔的边数越多,多孔铜镍铝合金的结构越不稳定;在相同的载荷下,三角形孔的压缩量最小,圆形孔的压缩量最大.
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