Table 1 EMI shielding effectiveness of Mg-3Zn alloy in various states.
From: Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
Alloys | Shielding effectiveness at 1200 MHz (dB) | Δ1 | Δ2 | Δ3 | |||
---|---|---|---|---|---|---|---|
Solutionized | Aged (10 h) | Aged (25 h) | Aged (60 h) | ||||
3Zn-0% | 68.9 | 70.2 | 75.2 | 76.5 | 1.3 | 6.3 | 7.6 |
3Zn-20% | 75.2 | 75.9 | 79.5 | 80.7 | 0.7 | 4.3 | 5.5 |
3Zn-50% | 82.4 | 82.9 | 85.2 | 86.8 | 0.5 | 2.8 | 4.6 |