Structural Investigation of Amorphous and Quasicrystalline Al-based Alloys by the Anomalous X-ray Scattering (AXS) Method
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概要
- 論文の詳細を見る
An attempt has been made in this paper to present the current information about the atomic structures of both amorphous and icosahedral Al_<75>Cu_<15>V_<10> alloys and icosahedral Al_<65>Cu_<20>Fe_<15> alloy determined by the anomalous x-ray scattering (AXS) method as well as the ordinary x-ray diffraction. Characteristic features of their intensity profiles are observed, and the structural parameters of coordination numbers and interatomic distances determined from the RDF analysis clearly indicate the presence of the icosahedral short-range ordering clusters in the as-quenched amorphous sample and other annealed amorphous samples, which are similar to the fundamental atomic distribution constructing the icosahedral phase. The AXS measurements at the Cu and Fe K-absorption edges also provide the possible interpretation about the distribution of these components in the icosahedral short-range ordering clusters.
- 東北大学の論文
- 1990-03-23
著者
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Matsubara Eiichiro
Research Institute Of Mineral Dressing And Metallurgy (senken)
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Waseda Yoshio
Research Institute Of Mineral Dressing And Metallurgy
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