INVESTIGATION OF FATIGUE FAILURE DETECTION SYSTEMS USING INFRARED TECHNIQUES.

Abstract

The purpose of the program was to determine the applicability of a noncontracting infrared detection system for use with fatigue specimens in the sonic test facility. The breadboard model of a detection system was constructed. The system used a radiative heat source and an infrared radiometer to detect changes in the heat transfer characteristics due to fatigue flaws in structural metals. Tests of the system were performed on artificial and actual flaws. The system proved able to detect the larger fatigue failures. These results demonstrate the feasibility of the system and further investigation with the construction of a prototype system is recommended. (Author)

Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1964
Accession Number
AD0608926

Entities

People

  • G. Schmitz
  • M. Levine

Tags

DTIC Thesaurus Topics

  • Breadboard Models
  • Buildings And Structures
  • Construction
  • Damage Detection
  • Detection
  • Heat Transfer
  • Infrared Detection
  • Models
  • Optical Detection
  • Prototypes
  • Radiometers
  • Test Facilities

Readers

  • Materials Science (Mechanical Engineering).
  • Software Engineering
  • Spectroscopy.