MEASUREMENT OF THE LENGTH OF A CENTRAL OR EDGE CRACK IN A SHEET OF METAL BY AN ELECTRICAL RESISTANCE METHOD.
Abstract
The change in length of an edge or central crack in a metal sheet can be obtained by measuring the change in electrical resistance of the sheet containing the crack. This paper gives the theory of the method and the results of a computer programme designed to provide detailed calibration curves. The method has been used to measure crack propagation rates during fatigue and the experimental procedure is described. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1966
- Accession Number
- AD0818946
Entities
People
- D. M. Gilbey
- S. Pearson
Organizations
- Royal Aircraft Establishment