Layer
Name
Layer #1
Physical characteristics
Type of layer
granular
Thickness
4.5   0.1  
Mass
0.614 0.005
Texture
loose fine grained
Type of porosity
open pores
Porosity
0.669 0.02
Density
0.536 0.025
Formation mode
manual deposition
Temperature
174.0  
Comments
formed by cooling phase delta to phase beta (through phase gamma) at 110K
Number
1
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Ammonium hydrogen phosphate-beta powder 32-80µm 0.614 1.0 Certified purity > 99% for phase delta. From X-ray powder diffraction analysis, the samples were pure without the presence of minor phases.