Ultrasonic Detection and Measuring of Internal Corrosion in Chemical Munitions

Abstract

As a result of a successful preliminary application of ultrasonic inspection techniques in detecting corrosive pitting, an ultrasonic C-scan inspection system was developed for field inspection of chemical munitions. The system can detect pits as small as 10 by 10 mils in walls 35 and 65 mils thick. It can resolve pits separated 1/16 inch or greater. The system can inspect cylindrical munitions up to 4.5-inch OD, and with a minor modification, could inspect up to 6.0-inch OD. This system is being used for surveillance procedures aimed at establishing the integrity of chemical-filled munitions. It will enhance the reliability of shelf life estimates and assist in categorizing munitions for disposal.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1972
Accession Number
AD0738115

Entities

People

  • Laird A. Johnson
  • Ronald L. Frailer

Tags

Communities of Interest

  • C4I
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Contracts
  • Corrosion
  • Detection
  • Diameters
  • Discontinuities
  • Frequency
  • Inspection
  • Materials
  • Munitions
  • Recording Systems
  • Reliability
  • Secondary Waves
  • Shelf Life
  • Surveillance
  • Ultrasonic Inspection
  • United States

Fields of Study

  • Physics

Readers

  • Agricultural Chemistry/Soil Science
  • Optical Fiber Sensing and Electromagnetic Propagation.
  • Structural Health Monitoring of Composite Structures.