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Experimental Stress Analysis
NOTEBOOK

Vishay Measurements Group

Issue 4 - September 1986

Contents

The Big Picture - Editorial ... Page 1 - The need for full-field stress analysis during the design process.

The PhotoStress ® Method of Strain Measurement - Strain Measurement Technology ... Page 2 - Introduction to the PhotoStress photoelastic coating method with discussions of techniques, resolution, separation of principal strains, and coating reinforcements.

Method for Precasting Photoelastic Sheets - Strain Measurement Technology ... Page 8 - Technique for casting photoelastic sheets and freezing uncured materials for future use.

Look Before You Leap - Student Exercise ... Page 9 (An online version is also available.) - Production of a simple dog-bone load link that produces no shear strains in the central portion of the necked section. Applications of both PhotoStress coatings and strain gages for strain measurements. Includes construction details.

To request a copy of this issue, contact the Educational Program Coordinator.