RADIOGRAPHIC EDGE SCATTERING DISTORTION.

被引：1

作者：

Wyman, D.R. ^{[1
]}

Harms, A.A. ^{[1
]}

机构：

[1] McMaster Univ, Dep of Engineering, Physics, Hamilton, Ont, Can, McMaster Univ, Dep of Engineering Physics, Hamilton, Ont, Can

来源：

Journal of Nondestructive Evaluation | 1984年 / 4卷 / 02期

关键词：

ELECTROMAGNETIC WAVES - Scattering - MATERIALS SCIENCE;

D O I：

10.1007/BF00566399

中图分类号：

学科分类号：

摘要：

Previously described scattering based edge distortions in optical density scans obtained from a neutron radiogrphic knife-edge image have been confirmed using analog Monte Carlo simulation. In an attempt to estimate the effects of additional object scatter on such artifacts, the effect on the edge response of diffusely incident neutrons has been determined both empirically and by Monte Carlo simulation. The diffuse neutron incidence has been found to diminish the relative magnitude of the distortion, offering explanation for the infrequent observation of a corresponding edge scattering halo artifacts. The potential of this edge distortion as a diagnostic indicator of the buildup factor in radiography is suggested and examined.

引用

页码：75 / 88

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