Hydrogen absorption in Ti45 Zr35 Ni17 Cu3 amorphous and quasicrystalline alloy powders

Baozhong Liu, Dongming Liu, Yaoming Wu, Liquan Li, Limin Wang

科研成果: 期刊稿件文章同行评审

24 引用 (Scopus)

摘要

Ti45 Zr35 Ni17 Cu3 amorphous and icosahedral quasicrystalline (I-phase) powders were synthesized by mechanical alloying (MA) and subsequent annealing, the phase structure and hydrogen absorption properties of two powders were investigated. XRD analysis indicated that the MAed powder was an amorphous phase and annealed powder was an I-phase. Two alloy exhibited excellent hydrogen adsorption property and started to absorb hydrogen without induction time. PCT measurement showed that the plateau pressure of the amorphous powders was obviously higher than that of the I-phase powders. After the first hydrogen cycling, the partial amorphous phase changed to (Zr, Ti) H2 phases, and the I-phase was steady. Similar hydride phases Ti2 ZrH4 and (Zr, Ti) H2 were also formed after the second hydrogen cycling for the amorphous and I-phase alloy powders.

源语言英语
页(从-至)2429-2433
页数5
期刊International Journal of Hydrogen Energy
32
13
DOI
出版状态已出版 - 9月 2007

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