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Measurement and Calculation of Three-Dimensional Grain Sizes and Size Distribution Functions

Published online by Cambridge University Press:  28 July 2005

Xin Bing Zhao
Xin Bing Zhao
Affiliation:
Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract

Three-dimensional (3D) grain sizes and size distribution functions (SDFs) are generally obtained by converting the 2D or ID grain sizes to 3D with the methods based on a spherical grain shape model (S-model), which can produce large systematic errors. In this report, a new polyhedral grain model (P-model) is developed and experimentally checked with the directly measured 3D grain sizes. The results show that the systematic error originating from the S-model can be corrected by using the new polyhedral grain model.

Keywords

grain sizespatial grain sizesize distributiongeometric modelsystematic errormeasurement
Type
Research Article
Information
Microscopy and Microanalysis , Volume 4 , Issue 4 , August 1998 , pp. 420 - 427
Copyright
© 2005 Microscopy Society of America

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