INVESTIGATION OF EDDY CURRENT TECHNIQUES IN ANALYZING AIRCRAFT STRUCTURES FOR FATIGUE DAMAGE.

Abstract

The primary objective of the program was to develop nondestructive methods of evaluating aircraft structures of aluminum alloys for fatigue damage. The approach to the problem was primarily through the use of eddy current instrumentation. Flat plate and sheet aluminum alloys, of types 7075-T6, 6061-T6, and 2024-T3, were supplied by OCAMA for the test program. Specimens were reverse stress cycled to varying degrees of damage and inspected with eddy current instrumentation. These were then pulled to rupture to correlate eddy current response to reduction in strength and ductility. (Author)

Document Details

Document Type
Technical Report
Publication Date
Apr 28, 1964
Accession Number
AD0438893

Entities

People

  • E. M. Sims

Organizations

  • University of Oklahoma

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aircrafts
  • Alloys
  • Aluminum
  • Aluminum Alloys
  • Ductility
  • Eddy Currents
  • Instrumentation
  • Measuring Instruments
  • Mechanical Structure

Readers

  • Electrical Engineering
  • Structural Health Monitoring of Composite Structures.