An Automatic Crack Measuring System Using the Direct-Current Potential-Difference Method,

Abstract

This report describes the development of a computer controlled direct-current potential-difference crack measuring system and its application to obtain crack growth rate data from centre-cracked-tension specimens. Details of the hardware and the software are included and the method and results fo the calibration for this type of specimen are given. Keywords: Direct current; Crack measurement; Computer applications; Crack propagation; Electric potential. (Australia)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1985
Accession Number
ADA176216

Entities

People

  • G. W. Revill
  • M. Findlay

Tags

DTIC Thesaurus Topics

  • Australia
  • Automatic
  • Calibration
  • Computers
  • Crack Propagation
  • Cracks
  • Direct Current
  • Electric Current
  • Electricity
  • Measurement
  • Voltage

Readers

  • Aerospace Test and Evaluation
  • Structural Health Monitoring of Composite Structures.