MODELING ANISOTROPIC GRAIN NOISE IN EDDY-CURRENT NDE: RELIABILITY ASSESSMENT OF INVERSE PROBLEMS

被引：0

作者：

Sabbagh, Elias H. ^{[1
]}

Sabbagh, Harold A. ^{[1
]}

Murphy, R. Kim ^{[1
]}

Sheila-Vadde, Aparna ^{[2
]}

Blodgett, Mark P. ^{[3
]}

Knopp, Jeremy ^{[3
]}

Aldrin, John C. ^{[4
]}

机构：

[1] Victor Technol LLC, Bloomington, IN 47407 USA

[2] GE India Technol Ctr, Bangalore 560066, Karnataka, India

[3] AFRL MLLP, Wright Patterson AFB, OH 45433 USA

[4] Computat Tools, Gurnee, IL 60031 USA

来源：

REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 28A AND 28B | 2009年 / 1096卷

关键词：

Volume-Integral Equations; Electromagnetic Nondestructive Evaluation; Polycrystalline Metals; Anisotropic Grain Noise;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We use the proprietary volume-integral code, VIC-3D (c), to develop a numerical model of microstructural noise in a titanium-like crystal of hexagonal symmetry with random conductivity distributions, and then apply the model to solve inverse problems in which the size of a surface-breaking flaw is estimated in the presence of the noise generated by the random conductivity. The crucial role of sensitivity parameters and other 'estimation metrics' in assessing the quality of the inversion will be discussed.

引用

页码：742 / +

页数：2

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