Sample
Name
Water ice spherical particles 67±31 μm at 173 K
Database
Experimentalists
Date
2016-10-20
Thickness
5.0 $mm$
Diameter
48.0 $mm$
Surface roughness
granular
Sample changes
The sample kept at 173 K under primary vacuum for 12h underwent metamorphism (recrystallisation/sintering, change of grains size and shape) of the ice particles and possibly slight sublimation (not visible on picture of the surface).
Substrate material
aluminum sample holder
Cylindrical 48 mm diameter sample holder with a thickness of 5 mm
Fresh sample prepared just before the measurement.
Temperature
173.0 $K$
Time at T
12.0 $h$
Temperature max
173.0 $K$
The sample was kept at constant temperature of 173 K
Type
vacuum
Fluid temperature
173.0 $K$
Fluid pressure
6.0 $\pm$ 1.0 $mbar$
The sample was kept under constant primary vacuum, of less than 7.2 mbar
The sample was kept under constant primary vacuum, of less than 7.2 mbar
Number
1
Layers
Title
Deposition of the ice particles into the sample holder by sieving

Matters

#### Produced sample

Sample
Water ice spherical particles 67±31 μm at 173 K (this sample)
Processing steps
Step Chronology Date Type Process Changes
#1 during layer formation 2016-10-20 layer formation Deposition of the particles of ice in the sample holder using a 400 µm sieve This step prevents the deposition of large agglomerates of several particles on the surface.