TY  - JOUR
T1  - Effect of Heat Treatment and Applied Load on Mechanical and Tribological Properties of Ni-B-CeO2 Composite Electroless Coating
TT  - Ni-B-CeO2 Kompozit Akımsız Kaplamanın Mekanik ve Tribolojik Özelliklerine Isıl İşlem ve Yükün Etkisi
AU  - Gültekin, Deniz
AU  - Duru, Erhan
AU  - Akbulut, Hatem
PY  - 2022
DA  - March
DO  - 10.31590/ejosat.1083546
JF  - Avrupa Bilim ve Teknoloji Dergisi
JO  - EJOSAT
PB  - Osman SAĞDIÇ
WT  - DergiPark
SN  - 2148-2683
SP  - 573
EP  - 578
IS  - 34
LA  - en
AB  - Cerium oxide (CeO2) particle reinforced Ni-B composite coating was produced by electroless coating method from a Ni-B coating bath containing CeO2 particles. In the electroless plating bath, nickel sulfate hexahydrate ((NiSO4.6H2O) was used as nickel source, dimethylamine borane ((CH3)2NHBH3) as reducing agent, thiourea (CH4N2S) as stabilizer and sodium acetate (CH3COONa) as complexing agent. The aim of the study is to investigate the structural characterization of CeO2 particle reinforced coating and the effects of wear test conditions on its tribological properties. The surface morphology of the coating was performed by scanning electron microscope (SEM), and phase structure analysis was performed by X-ray diffraction (XRD). Nanohardness measurements were carried out with a nanoindenter device, and wear tests were done with a ball-on-disk test device. Worn surface analyzes were made using a 3D profilometer. Experimental results showed that the hardness of the coating increased with heat treatment; however, its tribological behavior changed depending on different loads
KW  - Electroless coating
KW  - Ni-B coating
KW  - Composite
KW  - Wear
KW  - Tribology.
N2  - Seryum oksit (CeO2) partikül takviyeli Ni-B kompozit kaplama CeO2 partikülleri içeren bir Ni-B kaplama banyosundan akımsız kaplama yöntemi ile üretilmiştir. Akımsız kaplama banyosunda nikel kaynağı olarak nikel sülfat hekzahidrat ((NiSO4.6H2O), indirgeyici ajan olarak dimetilamin boran ((CH3)2NHBH3), stabilizatör olarak tiyoüre (CH4N2S) ve kompleks oluşturucu olarak da sodyum asetat (CH3COONa) kullanılmıştır. Çalışmanın temel amacı, CeO2 partikül takviyeli kaplamanın yapısal karakterizasyonu ve aşınma deney şartlarının tribolojik özellikleri üzerindeki etkilerini araştırmaktır. Kaplamanın yüzey morfolojisi taramalı elektron mikroskobu (SEM) cihazı, faz yapısı analizi ise X-ışını kırınımı (XRD) cihazı ile yapılmıştır. Nanosertlik ölçümleri nanoindenter cihazı ve aşınma testleri disk üzerinde bilye test cihazı ile gerçekleştirilmiştir. 3D profilometre kullanılarak aşınmış yüzey analizleri yapılmıştır. Deneysel sonuçlar, kaplamanın sertliğinin ısıl işlem ile arttığını, bununla birlikte farklı yüklere bağlı olarak tribolojik davranışının değişim gösterdiği anlaşılmıştır.
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UR  - https://doi.org/10.31590/ejosat.1083546
L1  - http://dergipark.org.tr/tr/download/article-file/2292850
ER  -