PSD Photoelastic Stress Demonstration Unit

PHOTOELASTIC STRESS DEMONSTRATION UNIT - PSD

SISTEMAS INOVADORES

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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NOTÍCIAS RELACIONADAS

Descrição Geral

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.

EXERCÍCIOS E PRÁTICAS GUIADAS

EXERCÍCIOS PRÁTICOS GUIADOS INCLUÍDOS NO MANUAL

  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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