Journal of Nondestructive Evaluation

, Volume 4, Issue 2, pp 75–88 | Cite as

The radiographic edge scattering distortion

  • D. R. Wyman
  • A. A. Harms
Article
  • 31 Downloads

Abstract

Previously described scattering based edge distortions in optical density scans obtained from a neutron radiographic knife-edge image have been here 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 the 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.

Key words

object scattering edge scattering knife edge neutron radiography buildup factor NDE 

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Copyright information

© Plenum Publishing Corporation 1984

Authors and Affiliations

  • D. R. Wyman
    • 1
  • A. A. Harms
    • 1
  1. 1.Department of Engineering PhysicsMcMaster UniversityHamiltonCanada

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