Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Congratulations KootK on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Polycrystalline Diamond

Thread starter metass
Start date Sep 22, 2006

Status: Not open for further replies.

Sep 22, 2006

metass

Materials

What is the true temperature at which grahitization of diamond occurs? I have read that for Co-based PDC's above 700°C the diamond layer disintegrates. Is this due to graphitization of diamond or a consequence of the Co expanding and the diamond dropping out?