Giannis Giannatsis asked:
I have just noticed a message from Du pont concerning the old and new
resins she provides for use in the EOS machines, and I especially liked
the idea of a transparent resin like Somos 3100 Series. I am currently
interested in mechanical tests on RP models (especially bio-medical
models) and especially for photoelasticity tests so a transparent resin
may be the answer.
Till now I have come up with two possible ways of doing such tests in
medical stereolithography models. The first one is by using the model
itself, which I think must be made as transparent as possible. The
second way must be using the model in a secondary process (silicon
moulding maybe?) to produce the necessary parts for testing. Does anyone
have any experience on such tests, or have any relevant information ?
Thank you in advance for your answers .
Giannis Giannatsis (firstname.lastname@example.org)
Dept. of Industrial Management
Univ. of Piraeus
There have been several papers illustrating the use of RP models for
stress analysis. I refer you to:
E. Gargiulo, "Stereolithography for Photoelastic Stress Analysis,"
Proceedings of the Fourth International Conference on Rapid Prototyping,
Dayton, Ohio, June 1993.
T. W. Corby, Jr., "Frozen-Stress Photoelastic Analysis of Rapid
Prototype Stereolithography Models," Proceedings of the Seventh
International Conference on Rapid Prototyping, San Francisco, CA, March
University of Dayton
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