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NİKEL KAPLI UHMWPE PARTİKÜLLERİ YÜZEYİNE NANOGÜMÜŞ SENTEZİNİN ELEKTROMANYETİK EKRANLAMA ÜZERİNE ETKİSİ
2023
Journal:  
Journal of Smart Systems Research
Author:  
Abstract:

Elektromanyetik radyasyon koruyucu malzeme geliştirmek amacıyla UHMWPE (Ultra High Molecular Weight Polyethylene) yüzeyleri akımsız kaplama yöntemiyle Nikel ile kaplanmış ve üzerine Ag nanopartikül sentezi yapılmıştır. Nikel kaplama ve nanogümüş katkısının tespiti ve kompozit matris içerisinde dağılımını gözlemlemek amacıyla SEM-EDS analizleri gerçekleştirilmiştir. UHMWPE içerisindeki hakim fazlar Ni ve NanoAg, XRD analizi ile tespit edilmiştir. Elde edilen tozlar 180 °C’de 15 dk süresince sıcak preslemeye tabi tutularak Ni kaplı ve nanogümüş katkılı UHMWPE kompozitleri elde edilmiştir. Ni kaplı ve NanoAg katkılı UHMWPE partiküllerine, ekranlama değerlerinin belirlenmesi için EMI-SE (Elektromagnetic Interference Shielding Effectiveness) ölçümü yapılmıştır. Elde edilen ekranlama değerleri Ni kaplama için 56 dB, NanoAg katkısı için 34 dB olarak belirlenmiştir. Hem X hem de Ku-bandı için sonuçlar karşılaştırıldıklarında Ni kaplı UHMWPE partikülleri üzerine NanoAg sentezinin ekranlama değerlerini nasıl etkilediği gözlemlenmiştir.

Keywords:

Effect Of Nanosilver Synthesis On Surface Of Nickel Coated Uhmwpe Particles On Electromagnetic Shielding
2023
Author:  
Abstract:

In order to develop electromagnetic radiation shielding material, UHMWPE (Ultra High Molecular Weight Polyethylene) surfaces were coated with Nickel by electroless coating method and Ag nanoparticle synthesis was made on it. SEM-EDS analyzes were carried out in order to detect the nickel plating and nanosilver additive and to observe its distribution in the composite matrix. The dominant phases Ni and NanoAg in UHMWPE were determined by XRD analysis. The obtained powders were subjected to hot pressing at 180 °C for 15 minutes and Ni coated and nanosilver added UHMWPE composites were obtained. EMI-SE (Electromagnetic Interference Shielding Effectiveness) measurement was performed on Ni coated and NanoAg doped UHMWPE particles to determine their shielding values. The obtained shielding values were determined as 56 dB for Ni coating and 34 dB for NanoAg additive. When the results for both X and Ku bands were compared, it was observed how NanoAg synthesis on Ni coated UHMWPE particles affected the shielding values.

Keywords:

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Journal of Smart Systems Research

Journal Type :   Uluslararası

Journal of Smart Systems Research