Optics: measuring and testing – Material strain analysis – With polarized light
Reexamination Certificate
2006-01-10
2006-01-10
Lauchman, Layla G. (Department: 2877)
Optics: measuring and testing
Material strain analysis
With polarized light
C356S035000
Reexamination Certificate
active
06985214
ABSTRACT:
Photoelastic elements are formed deliberately with stress concentrations so that, when evaluated with a polariscope, more pronounced isochromatic bands or fringes result when loads are applied to these elements or to assemblies of these elements. A kit of photoelastic elements, at least some of which have stress concentrations formed therein, is also disclosed. In addition, a toy for producing color patterns is disclosed.
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Anderson John C.
Szaroletta William K.
Barnes & Thornburg LLP
Lauchman Layla G.
Purdue Research Foundation
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