I want to ask about Photoelastic Material and Brittle Coating ?

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Hakim S. sultan Aljibori

Dear Junaid, good dsy

go to this link:

https://www.phase-trans.msm.cam.ac.uk/2003/Superalloys/coatings/

Dr. Hakim

Gerhard Martens

Please have a look here for photo-elastic PU coating material:

http://www.vishaypg.com/micro-measurements/photo-stress-plus/

In addition you may have a look at the following link, but the author listed in addition only distributors for photoelastic sheet and other casted forms (the first link above is taken from here):

http://nile.physics.ncsu.edu/pub/peDiscSolve/photoelastic-resources.pdf

Saad Kariem Shather

Photoelasticity is a nondestructive, whole-field, graphic stress-analysis technique based on an optomechanical property called birefringence, possessed by many transparent polymers.

Photoelasticity, as used for two dimensional plane problems,

file:///C:/Users/ali/AppData/Local/Microsoft/Windows/Temporary%20Internet%20Files/Content.IE5/JJBHCP15/photoelasticity.pdf