Stress in Glass

Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.
The polarized light exhibits birefringence in stressed glass. This technique is often used in industrial applications to determine internal stress in transparent models.

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Filename: K17Pol-glass4568.jpg
Copyright: Ted Kinsman / Science Source Inc.
Image Size: 3753x5126 / 3.7MB; polarized light photograph polarized light technique glass clamp polarized light light stress clamp C clamp pressure force physics light birefringent
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Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.<br />
The polarized light exhibits birefringence in stressed glass. This technique is often used in industrial applications to determine internal stress in transparent models.