Alumina is very difficult to handle and almost impossible to prepare with conventional methods. Ion beam slope cutting (Leica EM TIC 3X) is a method that can achieve cross sections of material combinations consisting of hard and soft components.
Cross section to see the components of alumina
(benchmark values for this particular sample)
Mechanical pre-preparation: with Leica EM TXP using 9 µm diamond lapping foil at 2600 rpm.
|EM TIC 3X Parameters|
|Gun current||2.2 mA|