Molybdenum Alloy Single Crystal
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- Category: Molybdenum knowledge
- Published on 08 July 2013
- Hits: 453
Nanoindentation was performed on a molybdenum alloy single crystal to investigate effects of focused ion beam (FIB) milling on mechanical behavior.
On a non-FIB-milled surface, pop-ins were observed on all load-displacement curves corresponding to a transition from elastic to plastic deformation. Similar pop-ins were not detected on surfaces subjected to FIB milling.
This difference indicates that FIB milling introduces damage that obviates the need for dislocation nucleation during subsequent deformation. A second effect of FIB milling is that it increased the surface hardness.
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