Miniature disk bend testing

hii

I  need a bit help in preparing my seminar topic on the subject "Miniature disk bend testing".If anyone can help me out from this problem i will be indebted for life time.

    You can post me the link, sites, any information on my email  id- bapu285@gmail.com.

waiting for a reply.

please help me out from this problem

                                   Durgamadhaba Tripathy