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Browsing by Subject "SURFACE"

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Effect of Ag concentration on structure and wear behaviour of coatings formed by micro-arc oxidation on Ti6Al4 V Alloy

Demirbas, Cagatay; Ayday, Aysun (TAYLOR & FRANCIS LTD, 2021)

Micro-arc oxidation (MAO) coating was prepared on Ti6Al4 V alloy in the electrolyte based on different ratios of calcium acetate and a fixed ratio of sodium phosphate with/without Ag additive. The surface, elemental and ...
Experimental and numerical investigation of jet impingement cooling using extended jet holes

Tepe, Ahmet Umit; Yetisken, Yasar; Uysal, Unal; Arslan, Kamil (PERGAMON-ELSEVIER SCIENCE LTD, 2020)

In this study, jet impingement cooling on flat surface was investigated experimentally. The aim of this study is to elucidate the effect of extended jet holes on the heat transfer performance of the in-line array jet ...
Fabrication and characterization of an electrostatically bonded PEEK- hydroxyapatite composites for biomedical applications

Bastan, Fatih Erdem (WILEY, 2020)

In this study, it was aimed to produce electrostatically induced polyetheretherketone (PEEK) and strontium substituted hydroxyapatite (SrHA) composites. SrHA nanoparticles (5 and 10 vol%) were introduced in the PEEK matrix ...
LaCoO3-BaCoO3 porous composites as efficient electrocatalyst for oxygen evolution reaction

Mahmoudi, E; Mostafaei, J; Griesser, C; Bekheet, MF; Delibas, N; Penner, S; Asghari, E; Coruh, A; Niaei, A (2023)

To determine the effect of Ba addition to LaCoO3 perovskite structures as efficient oxygen evolution reaction (OER) catalysts, we have synthesized different composite materials in the LaCoO3-BaCoO3 compositional series ...
Performance and mechanism of interaction of crystal violet with organohalloysite

Mahrez, Nouria; Bessaha, Fatiha; Marouf-Khelifa, Kheira; Coruh, Ali; Khelifa, Amine (DESALINATION PUBL, 2020)

A series of new organic-inorganic nanohybrid materials were prepared by intercalating dimethylsulfoxide (DMSO) into the interlamellar space of halloysite at different contact times and DMSO/clay ratios. The X-ray diffraction ...
SIMULATION MODEL OF THE GROWTH KINETICS OF Fe2B LAYERS WITH CONSIDERATION OF THE BORIDE INCUBATION TIME EFFECT

Mebarek, Bendaoud; Keddam, Mourad; Boussebha, Hamza (WORLD SCIENTIFIC PUBL CO PTE LTD, 2020)

In this work, a mathematical model for simulating the thermochemical boronizing process is presented. The diffusion model used in this paper is based on Fick's laws by solving the mass balance equation of the (FeB/Fe2B) ...