AlFeV合金准晶相的稳定性

Materials Science and Engineering Pub Date : 1988-03-01 DOI:10.1016/0025-5416(88)90366-7

D.J. Skinner, V.R.V. Ramanan, M.S. Zedalis, N.J. Kim

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引用次数: 21

摘要

用熔体纺丝法制备了一系列三元AlFeV和二元AlV合金，制备出了准晶相。用差示扫描量热法和透射电镜对这些相的热稳定性和微观结构进行了表征。这些相的稳定性很大程度上取决于合金成分。结果表明，三元合金中二十面体相的晶格参数与合金中的Fe:V比有关。

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Stability of quasicrystalline phases in AlFeV alloys

Quasicrystalline phases have been produced in a series of ternary AlFeV and binary AlV alloys prepared by melt spinning techniques. Differential scanning calorimetry and transmission electron microscopy have been employed to characterize the thermal stability and microstructure of these phases. The stability of these phases is largely dependent on the alloy composition. The results suggest that the lattice parameter of the icosahedral phase obtained in the ternary alloys is dependent on the Fe:V ratio in the alloys.

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