Mathematical Calibration of the Ring Test with Bulge Formation

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.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1972
Accession Number
AD0750885

Entities

People

  • Alan T. Male
  • Fred Gurney
  • Vincent De Pierre

Tags

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Calibration
  • Compression
  • Computations
  • Computer Programs
  • Computers
  • Corporations
  • Diameters
  • Friction
  • Geometry
  • Materials
  • Materials Laboratories
  • Mathematical Analysis
  • Metalworking
  • Stresses
  • Thickness

Readers

  • Aerospace Test and Evaluation
  • Materials Science (Mechanical Engineering).
  • Tribology (the study of the boundary interaction between sliding surfaces, lubrication, wear and friction).