Dynamics of FGM rotor

hi everybody

i am workin over FGM rotor's dynamic analysis.i am able to formulate the model for it but thing is i am not able to find FGM..i am doing masters in IIT delhi..its my major project ..can anybody pls help me procure fgm (mean i just need a small circular beam ).please help me out..thnak you everybody..

with regards

sandeep kumar