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The electromagnetic interference (EMI) shielding of Sm-containing magnesium alloys in the 30–1500 MHz testing frequency range was investigated by coaxial cable method. The results demonstrated that Mg–3Zn alloys displayed the best electromagnetic shielding property. When 0.5 wt% of Zr was added for crystal grain refinement, the shielding effectiveness (SE) was apparently reduced. The addition of the...
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