Acta Stereologica

0351-580X 2820-6770

 

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X. B. Zhao & K. Lücke

Systematic error of the spherical grain model in converting grain size distributions and its correction with the new models

(Volume 17 (1998) — Number 1 - June 1998)
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Abstract

Three-dimensional (3D) grain sizes were generally obtained by converting the 2D or 1D grainsizes to 3D with the methods based on spherical grain model (S-model). In this paper, the systematic error and its origin involving the conversion of grain sizes caused by the S-model is analyzed in the 2-D case, and a new polyhedral grain model (P-model) is developed to calculate 3D and 2D grain sizes from the 2D and/or 1D data. Experimental analyses show that the systematic error originated from the spherical model can be well corrected by using the new polyhedral model.

Keywords : geometric model, grain size, systematic error

Para citar este artículo

X. B. Zhao & K. Lücke, «Systematic error of the spherical grain model in converting grain size distributions and its correction with the new models», Acta Stereologica [En ligne], Volume 17 (1998), Number 1 - June 1998, 123-139 URL : https://popups.uliege.be/0351-580x/index.php?id=2553.

Acerca de: X. B. Zhao

Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P.R. China

Acerca de: K. Lücke

Institut für Metallkunde und Metallphysik, RWTH Aachen, Kopernikusstr. 14, D-52056 Aachen, FRG