Accession Number:

AD0692480

Title:

SCRATCH STRAIN GAGE EVALUATION

Descriptive Note:

Summary rept. Oct 1968-Jan 1969

Corporate Author:

AIR FORCE FLIGHT DYNAMICS LAB WRIGHT-PATTERSON AFB OH

Report Date:

1969-07-01

Pagination or Media Count:

44.0

Abstract:

The test results on the evaluation of the Prewitt Scratch Strain Gage are presented in the report. The test program was twofold 1 observation of the gage operation under various strain applications and 2 investigation of strain recording sensitivity and measurement. The scratch strain gage as tests indicated is a feasible and accurate means of recording strains of a character and magnitude expected to be found in a typical aircraft structure. The recording sensitivity is controlled by proper installation techniques and gage length. For the laboratory conditions reported, the measured strains were equivalent to the electrical resistance gages within 100 micro strain.

Subject Categories:

  • Test Facilities, Equipment and Methods

Distribution Statement:

APPROVED FOR PUBLIC RELEASE