Approximant-based orientation determination of quasicrystals using electron backscatter diffraction

被引：7

作者：

Cios, Grzegorz ^{[1
]}

Nolze, Gert ^{[2
,3
]}

Winkelmann, Aimo ^{[1
,7
]}

Tokarski, Tomasz ^{[1
]}

Hielscher, Ralf ^{[4
]}

Strzalka, Radoslaw ^{[5
]}

Buganski, Ireneusz ^{[5
]}

Wolny, Janusz ^{[5
]}

Bala, Piotr ^{[1
,6
]}

机构：

[1] AGH Univ Sci & Technol, Acad Ctr Mat & Nanotechnol, Al A Mickiewicza 30, PL-30059 Krakow, Poland

[2] BAM Fed Inst Mat Res & Testing, Unter Eichen 87, D-12205 Berlin, Germany

[3] TU Bergakad Freiberg, Inst Mineral, Brennhausgasse 14, D-09596 Freiberg, Germany

[4] Tech Univ Chemnitz, Dept Math, Reichenhainer Str 39, D-09126 Chemnitz, Germany

[5] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Al A Mickiewicza 30, PL-30059 Krakow, Poland

[6] AGH Univ Sci & Technol, Fac Met & Ind Comp Sci, Al A Mickiewicza 30, PL-30059 Krakow, Poland

[7] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland

来源：

ULTRAMICROSCOPY | 2020年 / 218卷

关键词：

EBSD; Quasicrystal; Approximant; Crystal orientation; Data processing; PATTERN-MATCHING APPROACH; EBSD; PHASE; ALLOYS; SIMULATION; PRECISION; CAST;

D O I：

10.1016/j.ultramic.2020.113093

中图分类号：

TH742 [显微镜];

学科分类号：

摘要：

Orientation mapping of quasicrystalline materials is demonstrated using crystalline approximant structures in the technique of electron backscatter diffraction (EBSD). The approximant-based orientations are symmetrised according to the rotational point group of the quasicrystal, including the visualization of orientation maps using proper colour keys for quasicrystal symmetries. Alternatively, approximant-based orientation data can also be treated using pseudosymmetry post-processing options in the EBSD system software, which enables basic grain size estimations. Approximant-based orientation analyses are demonstrated for icosahedral and decagonal quasicrystals.

引用

页数：10

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