Bibliographic Details
| Title: |
ENERGY DISPERSIVE X-RAYS SPECTROSCOPY STUDY OF THE OXIDATION CHARACTERISTICS OF AN ELECTRODEPOSITED NICKEL/SILICA COMPOSITE COATING ONTO CARBON STEEL. |
| Authors: |
MARTIAL ABRO, KOUTOUAN DÉSIRÉ1 desire.abro@inphb.ci, KWA-KOFFI, EDITH KOUASSI2, WEEFAR, KORGBOI HENRY1, YAO, KOUASSI BENJAMIN1 |
| Superior Title: |
Oxidation Communications. 2023, Vol. 46 Issue 4, p1053-1063. 11p. |
| Subject Terms: |
*ENERGY dispersive X-ray spectroscopy, *COMPOSITE coating, *METALLIC composites, *CARBON steel, *IRON oxides, *SILICA, *FERRIC oxide |
| Abstract: |
Metal Matrix Composites (MMC) are often used to enhance the oxidation resistance properties of materials. In this work, the performance of two electrodeposited nickel composites matrix onto steel containing 3 wt.% (SP3) and 5 wt.% (SP5) of silica particles has been studied. The weight changes of SP3 and SP5 investigated by gravimetry indicate a mass gain of 0.18 and 2.86 mg cm-2 respectively, from the five first thermal cycling before they stabilise. The microstructure of the scale depicts the formation of oxides in the equatorial plane of coatings. This feature, elucidated by Energy Dispersive X-Rays Spectroscopy (EDX), is found to be the result of concomitant diffusions of iron ions outward and oxygen ions inward of the coating to form nickel/iron oxides. Nevertheless, the extent of oxide scale increases with silica load due to solid state reactions implying nickel oxide, iron oxides, and silica particles. [ABSTRACT FROM AUTHOR] |
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| Database: |
Academic Search Premier |