Abstract
Slip systems in indented natural single crystal scheelite were studied using TEM. Indentations with loads from 10 to 200 g were applied on (001), (100), (110), and (112) crystallographic planes at room temperature. Focused Ion Beam (FIB) technique was used to machine electron-transparent foils with pre-defined orientations from specific locations in and around the indented areas. Five families of slip systems with a total of 16 physically different slip systems were observed. Most plastic deformation was carried out by two major slip systems, (001)⟨110⟩ and {112}⟨11 ⟩. The observations are interpreted using the crystallographic structure of scheelite.
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