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As you can see in the video above, the TintCoat Enhance Photoelastic Coating is simply brushed onto the specimen. Notice that the composite femur is attached to a rotisserie. The specimen is continuously rotated during the coating application and curing process to facilitate uniform coverage. This simple procedure ensures the most accurate thickness and strain results.
While you are waiting for the video to download you can check out the results of the actual GFP 1000 strain analysis on the composite femur.
The following three images illustrate the strain on the composite femur with paint-on photoelastic coating loaded with simple bending. The specimen was put in simple compression so that the moment arm of the femoral head caused the bending.
0 Degree Plane
45 Degree Plane
For complete details see the Specimen Preparation section of the GFP 1000 Online Tutorial.
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