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HomeKey Engineering MaterialsKey Engineering Materials Vols. 261-263Image Reconstruction and Analysis of...

Image Reconstruction and Analysis of Three-Dimensional Fracture Surfaces Based on the Stereo Matching Method

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Abstract:

A computer program of the fractal analysis by the box-counting method was developed for the estimation of the fractal dimension of the three-dimensional fracture surface reconstructed by the stereo matching method. The image reconstruction and fractal analysis were then made on the fracture surfaces of materials created by different mechanisms. There was a correlation between the fractal dimension of the three-dimensional fracture surface and the fractal dimensions evaluated by other methods on ceramics and metals. The effects of microstructures on the fractal dimension were also experimentally discussed.

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Periodical:

Key Engineering Materials (Volumes 261-263)

Pages:

1593-1598

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.261-263.1593

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Online since:

April 2004

Authors:

M. Tanaka, Y. Kimura, A. Kayama, L. Chouanine, Reiko Kato, J. Taguchi

Keywords:

Fractal Analysis, Fractal Dimension, Fracture Mechanic, Image Reconstruction, Microstructure, Stereo Matching Method, Three-Dimensional Fracture Surfaces

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© 2004 Trans Tech Publications Ltd. All Rights Reserved

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[12] V.Y. Milman, N.A. Stelmashenko and R. Blumenfeld, Progress in Mater. Sci., 38 (1994) p.425. Fig. 9. The fractal dimension estimated by the variance method, Dv, and that estimated by the box-counting method, Db, in ceramics and metals.

[2] 05 2. 10 2. 15 2. 20 2. 25.

[2] 10.

[2] 15.

[2] 20.

[2] 25.

[2] 30.

[2] 35.

[2] 40 Db Dv Dv=Db L=360 pixels SiC (Norton NC-430) alumina mullite Cu-Be alloy (stage I) Cu-Be alloy (stage II) SUS316 steel (stage II) pure Zn (14. 7 MPa, 373 K) Impact-fractured surface Fatigue fracture surface Creep fracture surface L: size of analyzed area.