Table 1:
XRD data of unmilled free, unmilled cold pressed (CP), 30 h milled-free, 30 h milled CP and 30 h milled CP 400°C-annealed Co powder.
Material condition
Space group and number
Phases
Lattice parameter (Å)
𝑎
𝑐
Unmilled powder
P63/mmc no. 194
HCP
2.51
4.07
Unmilled CP
P63/mmc no. 194
HCP
2.50
4.06
Milled powder
Fm-3m no. 225
FCC
3.80
—
Milled CP
Fm-3m no. 225
FCC
3.75
—
Milled CP annealed
Fm-3m no. 225
FCC
3.80
—