PSD Photoelastic Stress Demonstration Unit

7.3.1.- FOTOELASTIZITÄT UND STRAIN-MESSUNG 14.1.7.- FOTOELASTIZITÄT UND STRAIN-MESSUNG
PHOTOELASTIC STRESS DEMONSTRATION UNIT - PSD

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The Photoelastic Stress Demonstration Unit, "PSD", designed by EDIBON, allows, together with a light source, to study and analyze stress distribution and concentration from line images obtained by photoelasticity tests.

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ALLGEMEINE BESCHREIBUNG

The Photoelastic Stress Demonstration Unit, "PSD", consists of a frame on which the test specimens are placed. The specimens are made of a special transparent material that has a double optical refraction effect under the action of a mechanical load.

The individual specimens are loaded by applying external forces and illuminated with a polarized light (required element). The load is applied by means of a spindle, allowing the application of tensile or compressive force, which is measured by means of a dynamometer.

Polarizing filters represent the stress distribution in colors. By using white or monochromatic light and a different configuration of linear and circular polarizer/analyzer we can obtain the direction of principal stresses and the difference of principal stresses. A filter is included to generate monochromatic light.

The Photoelastic Stress Demonstration Unit, "PSD" requires the light source.

ÜBUNGEN UND GEFÜHRTE PRAKTIKEN

GEFÜHRTE PRAKTISCHE ÜBUNGEN IM HANDBUCH ENTHALTEN

  1. Study of different plane stress states generated in different models subjected to compressive load.
  2. Study of different plane stress states generated in different models subjected to tensile loading.
  3. Study of stress distributions with linear or circularly polarized light.
  4. Investigation of the stress distribution by means of images obtained by photoelasticity.
  5. Investigation of stress concentration by means of images obtained by photoelasticity.

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PHOTOELASTICITY UNIT - EFO
  • EFO
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7.3.1.- FOTOELASTIZITÄT UND STRAIN-MESSUNG
EFO
Spannungsoptik- Gerät.
Unit for photoelasticity practices, illustrating the subjects of the Photoelasticity theory, the Elasticity theory, Strength of Materials, and Structure theory.It is very suitable for the introduction and study of photoelasticity: optical...
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