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논문 기본 정보

자료유형
학술저널
저자정보
Oh-Seong Park (Pukyong National University) Hyeong-Kyu Cho (Korea Institute of Ceramic Engineering and Technology)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제23권 제2호
발행연도
2022.4
수록면
165 - 170 (6page)

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초록· 키워드

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Using electromagnetic shielding technology, the exterior walls of buildings can prevent the penetration of electromagnetic waves. This effectively reduces the electromagnetic field intensity and electromagnetic pulse inside buildings. Therefore, in recent years,researchers have focused on developing electromagnetic shielding technology. In this study, we analyzed the physical propertiesand EMP shielding efficiency of shielding materials, such as silicon carbide (SiC), obtained as a byproduct of the semiconductormanufacturing processes, and graphite mixed with mortar, used in the external walls. The shielding materials underwentpretreatment, such as grinding, before mixing them with mortar. Because shielding materials are expensive, the shieldingefficiency was calculated by mixing the respective shielding materials with mortar in only the outermost 10% of the samplemortar volume. Moreover, we calculated the shielding efficiency of the different samples of mortar with shielding materialsthroughout the volume of the samples using shielding effectiveness (SE) estimation formula. The predicted SE values of thesamples of mortar mixed with granular SiC, graphite powder, and SiC powder were 20 dB, 18 dB, and 28 dB, respectively. The SEof the sample of mortar mixed with SiC powder is approximately equal to 30 dB, that is, the maximum shielding efficiency (99.9%).

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