ADVANCED MATERIALS & PROCESSES •
MARCH 2014
17
Fig. 2 —
Schematic of the HMIAM
[13]
(top)
and light reflectance method
[11]
(bottom).
Fig. 3 —
Schematic of the liquid metal
cleanliness analyzer (LiMCA) technique
[14]
.
Vacuum
Gasket
Steel tube
Mg
Mg
Liquid
magnesium
Sample
Top of brightimeter
45°
Incident lenses
Collecting lenses
Filter
Lamp
Photocell
16 mm
3 mm
19 mm
Inclusions
in a filter
cake
Cement
Steel filter
Filter cup
Data display
Signal processing
Differential amplifier
Argon
Vacuum
Atmosphere
Insulating tube
Electrodes