采用粉末热压方法,制备了新型(Al63Cu25Fe12)p/Mg复合材料,Al63Cu25Fe12准晶颗粒均匀分散在复合材料中,而且与基体金属的结合良好,反应轻微,只在颗粒的边沿部分存在约5μm的反应层.粉末热压复合过程中的较低温度限制或减缓了准晶颗粒与基体金属之间的反应,反应层的反应产物除了准晶类似相Al13Fe4外,还存在一定的MgAl2O4氧化物.与纯Mg相比,除塑性外的其它力学性能指标均有很大提高,特别是含10%准晶颗粒的复合材料,其屈服强度显著提高到193.28MPa.
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