Geometrically caused image distortion effects and their influence on interpretation of EBSD measurements
Author: Nolze, G.
Source: Materials Science and Technology, Volume 22, Number 11, November 2006 , pp. 1343-1351(9)
Publisher: Maney Publishing
Abstract:The imaging of high tilted flat sample surfaces in scanning electron microscopy has some special characteristics. A typical example is the trapezium distortion which is only detectable at low magnifications. In contrast to this, a rhomboidal distortion is discussed in the present paper which appears independent of the magnification used. Rhomboidal distortion is also caused by a simple geometrical misalignment, an additional slight tilt of the sample surface out of the plane of the microscope stage or the pretilted sample holder. The rhomboidal distortion may affect all image related orientation descriptions, e.g. also a texture characterisation. In order to draw attention to this unexpected influence, some typical examples are given and a simplified solution is proposed.
Document Type: Research Article
Publication date: 2006-11-01
Authors wishing to cite fast track papers should give the journal name and the article DOI. This will enable reference linking via CrossRef and allow forward and backward citation tracking systems to associate the fast track citation with the final journal reference.Materials Science and Technology is the successor of two previous titles, for which digitised archives are available: Metal Science (Vols. 1—17; 1967—84) and Metals Technology (Vols. 1—11; 1974—84).
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