Elektrolitik Kaplanmış Nikel/Grafen Kompozit Kaplamaların Üretimi ve Karakterizasyonu

Year 2019, - Cilt:8 - IMSMATEC Özel Sayı, 29 - 36, 15.12.2019

Ferda Mindivan , Kemal Aydın , Harun Mindivan

https://doi.org/10.17100/nevbiltek.633289

Cited By: 1

Abstract

Nikel (Ni)
ve grafen nano plaka (GNP) takviyeli Ni esaslı kaplamalar, Watts tipi kaplama
banyosu kullanılarak doğru akım (DC) şartları altında hazırlanmıştır.
Elektrolitik kaplama için altlık olarak St 37 çelik, yanal boyutu ~5 nm ve
kalınlığı ~5-8 nm boyutlarında olan GNP tabakaları ise takviye malzemesi olarak
kullanılmıştır. Elde edilen kaplamaların morfolojik, elementel ve faz
değerlendirmeleri sırasıyla taramalı elektron mikroskobu (SEM), enerji
dağılımlı x-ışınları spektrometre (EDS) ve X-ışını kırınım ölçer (XRD) ile
gerçekleştirildi. Ayrıca hazırlanan kaplamaların sertlik ve aşınma davranışları
incelenmiştir. Elektrolitik yöntemle hazırlanan 0,3 g/l GNP içeren kompozit
kaplama daha düzgün istif yoğunluğuna ve daha kompakt bir yapıya sahiptir. Ni-GNP
(0.3 g/l) kompozit kaplama, saf Ni kaplamaya kıyasla üstün sürtünme özellikleri
sergilemiştir.

Keywords

Elektrolitik Kaplama, Nikel-Grafen, Morfoloji, Mikroyapı, Aşınma.

Supporting Institution

Bilecik Şeyh Edebali Üniversitesi

Project Number

2018-01.BŞEÜ.03-03

Thanks

Bu çalışma Bilecik Şeyh Edebali Üniversitesi, Bilimsel Araştırma Projeleri birimi tarafından desteklenmiştir (Proje No: 2018-01.BŞEÜ.03-03).

Production and Characterization of Electrodeposited Nickel/Graphene Composite Coatings

Abstract

Nickel (Ni) - Graphene
nanoplatelet (GNP) composite coating was prepared under direct current (DC)
conditions by co-deposition of GNP particles and Ni from a Watts type bath. St
37 steel substrate was used for electrodeposition and GNP layers having a
lateral dimension of ~5 nm and a thickness of ~5-8 nm were used as
reinforcement. Morphological, elemental and phase evaluations were conducted on
the deposited coatings by scanning electron microscopy (SEM), energy dispersive
X-ray spectroscopy (EDS) and X-ray diffraction (XRD), respectively.
Furthermore, the hardness and wear behaviors of the prepared coatings were
investigated. The results showed that the composite coating prepared by
electrodeposition in a Ni plating bath containing 0.3 g/l GNP, exhibited a
uniform and compact structure. Ni-GNP (0.3 g/l) composite coating showed
superior frictional properties compared to pure Ni coating. 

Keywords

Electrodeposition, Nickel-Graphene, Morphology, Microstructure, Wear

Project Number

2018-01.BŞEÜ.03-03

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