Obtaining and Analyzing the Al2O3-ZrO2 Ceramic Layers on Metallic Substrate

Archives of Metallurgy and Materials

article

M. Luțcanu¹  M. Coteață³  M.A. Bernevig¹  C.D. Nechifor²  M.M. Cazacu²  P. Paraschiv⁴  B. Istrate³  G. Bădărău¹  I.G. sandu¹  N. Cimpoeșu¹ 

[1] Gheorghe Asachi Technical University of Iasi, Faculty of Materials Science and Engineering;“Gheorghe Asachi” Technical University of Iasi, Department of Physics;Gheorghe Asachi Tech Univ Iasi;“Gheorghe Asachi” Technical University of Iasi, Department of Sport

关键词: ceramic layer;    atmospheric plasma spraying;    SEM;    EDS;   

DOI  :  10.24425/amm.2022.137780

学科分类：物理（综合）

来源: Akademia Gorniczo-Hutnicza im. Stanislawa Staszica / University of Mining and Metallurgy

【 摘 要 】

In this case ceramic layers from Metco ZrO2 and Al2O3 powders mixture (25/75; 50/50 and 75/25) were obtained throughatmospheric plasma spraying (APS) after five passes on low carbon steel substrate. The sample surfaces mechanically grinded(160-2400) before and after ceramic layer deposition. Powder’s mixtures and the surface of ceramic thin layers were analyzedthrough: scanning electron microscopy (SEM). In order to understand the effect of surface wettability of the ceramic layers, beforeand after grinding the surface, three different liquids were used. Experimental results confirm the modification of the steel substratesurface characteristic from hydrophilic to hydrophobic when the ceramic layer was deposited. Surface free energy of hydrationincreases for all the samples with zirconia percentage addition before polishing process.

【 授权许可】

CC BY-NC