采用铜模铸造法制备了直径为5mm的Mg60Cu16Ni10Nd14块体非晶合金,利用扫描电镜(SEM)、透射电镜(TEM)X射线衍射(XRD)和差示扫描量热仪(DSC)研究了其组织、相结构和热稳定性.结果表明:合金为完全的非晶结构,且出现了相分离；玻璃转变温度Tg、晶化温度Tx分别为431和488 K,过冷液相区△Tx为57 K,表明该合金具有较大的玻璃形成能力.压缩试验表明:合金的压缩断裂强度为653 MPa,断口出现的大量韧窝是合金塑性变形量达到2.5％的主要原因.
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