Preparation of Zr-based metallic glass nanowires and nanoparticles by selective etching
Preparation of Zr-based metallic glass nanowires and nanoparticles by selective etching
复制标题
DOI：
10.1016/j.scriptamat.2007.07.032
复制
发表时间：
2007-11
影响因子：
6
通讯作者：
T. Wada;D. V. Louzguine-Luzgin;A. Inoue
中科院分区：
文献类型：
--
作者：
T. Wada;D. V. Louzguine-Luzgin;A. Inoue
利用Zr与稀土元素的液相不混溶性，在熔融纺丝Zr- (Ce, Pr, Nd) - al - ni合金中制备了Zr基金属玻璃纳米线和纳米颗粒。在等原子Zr和稀土合金中，可能通过旋多分解形成相互连接的两相结构。在熔体纺丝导致熔体严重变形的条带边缘，相互连接的结构被定向拉长。在富稀土合金中，通过形核和生长过程，在富稀土基体中析出细小的孤立的富zr球。
Zr-based metallic glass nanowires and nanoparticles were produced in melt-spun Zr–(Ce, Pr, Nd)–Al–Ni alloys by using the liquid-state immiscibility of Zr and a rare-earth element. In the equiatomic Zr and rare-earth alloy, an interconnected two-phase structure is formed, probably by spinodal decomposition. The interconnected structure was directionally elongated at the edges of the ribbon where the melt was heavily deformed by melt-spinning. In the rare-earth-rich alloy, fine isolated Zr-rich spheres precipitated in the rare-earth-rich matrix by the nucleation and growth process.