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I was wondering if I could get some tip suggestions here.
A colleague is looking to quantify mechanical differences among different turtle shells. I believe that the shells are similar to trabecular bone.
Is it possible to do traditional force curves and get a Young's modulus with such a stiff sample? If so, which tips are most appropriate?
A lot of the literature I've seen uses a nanoindenter with a diamond tip. Can these tips be mounted onto an AFM? These tips seem to be very expensive...do they need to be replaced as often as AFM tips do? Are there any specific tips that have been used that work well in an AFM?
Thanks!
Gabriela
Hi, Gabriela,
Yes, you can get diamond tip suitable for AFM based nanoindentation from BrukerAFMprobes.com, below are the models you can select for your case:
http://www.brukerafmprobes.com/category-list.aspx?CategoryID=282
These probes are not considered as consumbles, usually they can last very long time and even the diamond tip break from the cantilever, you can still get it repaired from the factory.
Ang