Table 1 Properties of the raw material powders
Powder | Size (mesh) | Purity (wt%) | Impurity |
---|---|---|---|
Fe2O3 | 100 | ≥99 | Cl−, SO4 2−, Cu, N |
Al | 100–200 | ≥99 | Fe, Si, Cu, H2O |
B | amorphous | ≥99 | – |
Powder | Size (mesh) | Purity (wt%) | Impurity |
---|---|---|---|
Fe2O3 | 100 | ≥99 | Cl−, SO4 2−, Cu, N |
Al | 100–200 | ≥99 | Fe, Si, Cu, H2O |
B | amorphous | ≥99 | – |