Hi Andrea,

Try "fracture strength of Si" in Google. There are a couple of pdfs
that may be of use. Try this as well:

Wilson C and Beck P 1996 Fracture testing of bulk silicon
microcantilever beams subjected to a side load
J. Microelectromech. Syst. 5 142–50

Regards,

Michael

> ---------- Forwarded message ----------
> From: "Andrea Mazzolari" 
> To: mems-talk@memsnet.org
> Date: Sat, 19 Apr 2008 23:20:09 +0200 (CEST)
> Subject: [mems-talk] Silicon fracture strength
> Hi all,
> i need to bend very thin (50um or less) silicon crystals. I'm looking for
> informations about silicon fracture strength in order to be able to
> predict the maxium bending radius which can be achieved.
> Any suggestion to some literature treating this topic ? I've tried to
> search for it, but i've been not very lucky.
>
> Many thanks,
> Andrea