Accession Number : AD0750885


Title :   Mathematical Calibration of the Ring Test with Bulge Formation


Descriptive Note : Technical rept. 1 Jan-30 Nov 1971


Corporate Author : WESTINGHOUSE ASTRONUCLEAR LAB PITTSBURGH PA


Personal Author(s) : De Pierre, Vincent ; Gurney, Fred ; Male, Alan T


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/750885.pdf


Report Date : Mar 1972


Pagination or Media Count : 38


Abstract : An available mathematical solution of ring compression with bulge formation was used to calibrate ring test specimens on the basis of constant interface friction factor, m. Calibration curves for the 6:3:2 (Outside Diameter: Inside Diameter: Thickness) and other ring geometries were obtained by mathematical computation and a method was established for calibrating all ring geometries with bulge formation. Calculated calibration curves of the 6:3:2 ring showed very good correlation with experimentally determined interface friction factors, m. The investigation demonstrated that a valid mathematical solution of ring compression can be used for more accurate and less laborious calibration than experimental calibration of ring test specimens.


Descriptors :   *MATHEMATICAL ANALYSIS , DEFORMATION , STEEL , CALIBRATION , BRASS , FRICTION , COPPER , ALUMINUM


Subject Categories : Test Facilities, Equipment and Methods


Distribution Statement : APPROVED FOR PUBLIC RELEASE