Photoelastic stress of a protractor
Numéro d’image : 11620091
| Coloured light interference pattern of a plastic protractor. When photographed through cross-polarised white light some transparent plastics display coloured interference effects,according to the pattern of residual stress within the plastic (a result of moulding manufacturing). Areas of similar colour represent regions under similar degrees of stress. This phenomenon,known as photoelasticity,is utilised in engineering situations. Plastic models of bridges,gears,axles,etc may be made and subjected to proportional loads in order to predict the stress patterns that might occur in the real objects | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Pasieka, Alfred |
| Taille de l’image : | 5184 px × 3456 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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