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Experimental Stress Analysis
NOTEBOOK

Vishay Measurements Group

Issue 16 - April 1991

Contents

Believe the Data - Editorial ... Page 1 - The roles of mathematical models, mechanics of materials, and physical tests in stress analysis.

The Strain Gage vis-a-vis Material (& Immaterial) Properties - Strain Measurement Technology ... Page 2 - How the modulus of elasticity, Poisson's ratio, coefficient of thermal expansion, thermal conductivity, and material homogeneity affect strain measurements.

Metrication Survey Summary - Reader Responses ... Page 7 - Results of a survey on metrication in engineering education.

Some Less-Than-Ideal Material Behavior - Student Exercise ... Page 9 (An online version is also available.) - Measurement of mechanical hysteresis in aluminum alloy, and time-dependent strain, (creep in polymers and elastic aftereffects in glass). Discussion of resistivity hysteresis in strain gages.

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