Politeknik Dergisi 2147-9429 Gazi Üniversitesi 10.2339/politeknik.1656679 Plating Technology Material Characterization Kaplama Teknolojisi Malzeme Karekterizasyonu Effect of CdO Content on the Mechanical and Electrical Properties of Ag-CdO Nanocomposite Coatings Produced by Electrodeposition Elektrodepozisyon Yöntemiyle Üretilen Ag-CdO Nanokompozit Kaplamalarda CdO Miktarının Mekanik ve Elektriksel Özelliklere Etkisi https://orcid.org/0000-0001-5490-3449 Karslıoğlu Ramazan ANKARA YILDIRIM BEYAZIT UNIVERSITY https://orcid.org/0000-0002-4255-5173 Coşmuş Dila ANKARA YILDIRIM BEYAZIT UNIVERSITY 12 04 2025 28 6 1793 1800 03 20 2025 04 09 2025 Copyright © 1998, Politeknik Dergisi 1998 Politeknik Dergisi

In this study, silver (Ag) and cadmium oxide (CdO) reinforced Ag matrix nanocomposite coatings were successfully deposited onto copper substrates using the electrodeposition method. The effect of CdO content in the coating electrolyte on the microstructure, mechanical, and electrical properties of the Ag matrix was investigated. Microstructural characterization was carried out using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD). Mechanical properties were evaluated using the microhardness method, while electrical resistance measurements were conducted on pure Ag and Ag-CdO nanocomposite coatings using the two-probe method. The obtained results showed that the CdO content in the electrodeposition bath had a significant effect on the microstructure. The addition of CdO considerably improved the mechanical properties while causing no significant increase in the electrical resistance of the matrix material. Consequently, it was determined that Ag-CdO nanocomposite coatings containing 1.0 g/L CdO exhibited the best mechanical and microstructural properties in this study.

Bu çalışmada, gümüş (Ag) ve kadmiyum oksit (CdO) takviyeli Ag matrisli nanokompozit kaplamalar, elektrodepozisyon yöntemi ile bakır altlıklar üzerine başarıyla kaplanmıştır. Kaplama elektrolitine eklenen CdO'nun miktarının, Ag matrisinin mikroyapı, mekanik ve elektriksel özellikleri üzerindeki etkisi araştırılmıştır. Mikroyapı karakterizasyonu, taramalı elektron mikroskobu (SEM), enerji saçınımlı X-ışınları spektroskopisi (EDS) ve X-ışınları difraktometresi (XRD) ile gerçekleştirilmiştir. Mekanik özellikler, mikrosertlik yöntemi kullanılarak değerlendirilmiş, elektriksel direnç ölçümleri ise katkısız Ag ve Ag-CdO nanokompozit kaplamalar üzerinde iki prop yöntemi kullanılarak yapılmıştır. Elde edilen sonuçlar, elektrodepozisyon banyosuna eklenen CdO miktarının mikro yapı üzerinde belirgin bir etkisi olduğunu göstermiştir. CdO ilavesi mekanik özellikleri önemli ölçüde iyileştirirken, matris malzemesinin elektriksel direncinde kayda değer bir artışa neden olmamıştır. Sonuç olarak, bu çalışmada 1,0 g/L CdO içeren Ag-CdO nanokompozit kaplamaların, en iyi mekanik ve mikroyapısal özellikleri sunduğu belirlenmiştir.

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