Table 1 The chemical composition of the Cu powders used for fabricating LT and HT CS Cu obtained by inductively coupled plasma analysis, except for oxygen, which was determined by instrumental gas analysis
Element | Concentration (ppm) | |
---|---|---|
LT CS Cu | HT CS Cu | |
Al | 1.2 | 1.9 |
Si | 11 | 6.3 |
S | <20 | <20 |
Mn | <0.1 | <0.1 |
Fe | 2.7 | 2.9 |
Ni | <2 | <2 |
Zn | <2 | <2 |
As | <5 | <5 |
Se | <5 | <5 |
Ag | <1 | <1 |
Cd | <0.2 | 0.7 |
Sn | <5 | <5 |
Sb | <5 | <5 |
Pb | <10 | <10 |
Bi | <20 | <20 |
O | 140 | 100 |