A Portable Residual Stress Analyzer.

reportActive / Technical Report | Accession Number: ADA041831 | Open PDF

Abstract:

A portable device for stress measurements based on a position sensitive detector and using a miniature air-cooled X-ray tube was built to demonstrate the potential of such a system. The measuring apparatus, weighing 11 kg, could be held by one person with the electronics housed in a separate cabinet. A variety of steel samples, having from 0 to -700 MPa were tested by comparing measurements made on a diffractometer to those made with the portable device. The device proved to be accurate and accomplished the entire measurement using two psi tilts to a statistical error of less than or - 40 MPa in under 20 seconds on all samples. In some cases in 4 seconds. The portability of the apparatus and rapid measurement time suggest applications for the X-ray stress measurement never possible before, such as on-sight inspection during fabrication or in-field measurements. Author

Author(s):
James, M. R. ; Cohen, J. B.
Author Organization(s):
NORTHWESTERN UNIV EVANSTON ILL DEPT OF MATERIALS SCIENCE
Descriptive Note:
Technical rept.,
Pagination:
0036

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
TR-19
Contract/Grant Number(s):
N00014-75-C-0580
 Subject Terms
Joint Capability Areas:
JCA_5.3_Planning; JCA_5_Command and Control; JCA_1_Force Support; JCA_6_Net Centric; JCA_1.3_Human Capital Management; JCA_1.2_Force Preparation; JCA_1.3.2_Personnel Management
Modernization Areas:
Quantum Science and Computing
Communities of Interest:
Energy and Power Technologies
Descriptor(s):
*RESIDUAL STRESS, *ANALYZERS, PORTABLE EQUIPMENT, POSITION(LOCATION), HIGH RATE, STRESS ANALYSIS, ACCURACY, SENSITIVITY, X RAY DIAGNOSTICS, ERROR ANALYSIS, INSPECTION, FIELD CONDITIONS, X RAY DIFFRACTION CAMERAS
Field(s)/Group(s):
Mechanics
Keyword(s):
WUNR031733
Report Date:
1977 Jul 12