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Title:Strain calibration in dynamic photoelasticity
Author(s):Ozanne, J.M.; Taylor, C.E.
Subject(s):Strain Calibration
Abstract:A method is developed which allows photoelastic analysis to be conducted on propagating stress waves. By the use of the Moire fringe method, the dynamic birefringence and strain are compared. The Moire fringe method is further used to obtain particle displacement as a function of time during the passage of a stress wave. The experimental apparatus is designed to permit a reproducibility from loading cycle to loading cycle of better than 99 percent. A ruby laser is utilized as a light source which provides a light of very high intensity and short duration. A 22 caliber pellet gun provides a dynamic load with a rise time of about 50 microseconds.
Issue Date:1965-08
Publisher:Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report:TAM R 282
Genre:Technical Report
Sponsor:University of Illinois Research Board; National Science Foundation
Rights Information:Copyright 1965 Board of Trustees of the University of Illinois
Date Available in IDEALS:2021-11-04

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  • Technical Reports - Theoretical and Applied Mechanics (TAM)
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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