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Browsing Fakülteler / Faculties by Author "Ayday, Aysun"

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Coatings of Bioactive TiO2 Films on TI6AL4V Alloy by Micro Arc Oxidation

Ayday, Aysun (POLISH ACAD SCIENCES INST PHYSICS, 2018)

Micro arc oxidized TiO2 coatings were prepared in different concentrations of (CH3COO)(2)Ca center dot H2O and different coating times on biomedical Ti6Al4V alloy. The surface topography, phase, and element composition of ...
Coatings of Bioactive TiO2 Films on TI6AL4V Alloy by Micro Arc Oxidation

Ayday, Aysun (POLISH ACAD SCIENCES INST PHYSICS, 2018)

Micro arc oxidized TiO2 coatings were prepared in different concentrations of (CH3COO)(2)Ca center dot H2O and different coating times on biomedical Ti6Al4V alloy. The surface topography, phase, and element composition of ...
Effect of Ag concentration on structure and wear behaviour of coatings formed by micro-arc oxidation on Ti6Al4 V Alloy

Cagatay Demirbas; Ayday, Aysun (TAYLOR & FRANCIS LTD, 2020)

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 ...
Effect of Two-Step Oxidation on Performance of Micro-Arc Oxidation on 6063 Aluminum Alloy

Ayday, Aysun (POLISH ACAD SCIENCES INST PHYSICS, 2017)

This paper investigates the effect of different electrolytes containing silicate and phosphate by two-step oxidation using the micro-arc oxidation technique. The growth effect, surface roughness, and element distributions ...
EFFECTS OF AN Al2O3 NANO-ADDITIVE ON THE PERFORMANCE OF CERAMIC COATINGS PREPARED WITH MICRO-ARC OXIDATION ON A TITANIUM ALLOY

Cagatay Demirbas; Ayday, Aysun (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2017)

In this research, nano-sized Al2O3 particles were added to silicate-based coatings and the effect of these particles on the microstructure, composition and properties of the coatings was investigated. The effects of the ...
Growth Characteristics of Plasma Electrolytic Oxidation Coatings on Aluminum Alloys

Ayday, Aysun; Durman, Mehmet (POLISH ACAD SCIENCES INST PHYSICS, 2015)

The ceramic coating on aluminum alloy was prepared in sodium metasilicate electrolyte by plasma electrolytic oxidation (PEO). The effect of PEO treating time on surface layer was investigated. The morphology and phase ...
INFLUENCE OF Na 2SiF6 ON THE SURFACE MORPHOLOGY AND CORROSION RESISTANCE OF AN AM60 MAGNESIUM ALLOY COATED BY MICRO ARC OXIDATION

Ayday, Aysun (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2016)

Oxide coatings were formed by micro arc oxidation (MAO) on an AM60 magnesium alloy substrate. The effects of Na2SiF6 in an electrolytic solution on the micro arc oxidation process and the structure and mechanical properties ...
Role of graphene additive on wear and electrochemical corrosion behaviour of plasma electrolytic oxidation (PEO) coatings on Mg-MWCNT nanocomposite

Fatih Aydin; Ayday, Aysun; M. Emre Turan; Huseyin Zengin (TAYLOR & FRANCIS LTD, 2020)

In this study, wear and electrochemical corrosion behaviour of as-cast magnesium (Mg)/multiwall carbon nanotube (MWCNT) and plasma electrolytic oxidation (PEO) coated Mg/MWCNT samples were evaluated by dry sliding wear ...
Role of graphene additive on wear and electrochemical corrosion behaviour of plasma electrolytic oxidation (PEO) coatings on Mg-MWCNT nanocomposite

Fatih Aydin; Ayday, Aysun; M. Emre Turan; Huseyin Zengin (TAYLOR & FRANCIS LTD, 2019)

In this study, wear and electrochemical corrosion behaviour of as-cast magnesium (Mg)/multiwall carbon nanotube (MWCNT) and plasma electrolytic oxidation (PEO) coated Mg/MWCNT samples were evaluated by dry sliding wear ...
Study of the Nickel-Tungsten and Nickel-Cobalt Coatings Plated on Ductile Iron

Ayday, Aysun; H. Skulev (POLISH ACAD SCIENCES INST PHYSICS, 2016)

Hard coatings such as nickel, chromium and tungsten can improve the surface properties of the substrate. The coating surfaces have been developed for increase of the wear resistance, hardness or corrosion resistance for ...
The Effects of Na2SiO3 Concentration on the Properties of Plasma Electrolytic Oxidation Coatings on 6060 Aluminum Alloy

Ayday, Aysun; Kumruoğlu, Levent Cenk; Kurnaz, Süleyman Can; Özel, Ahmet (SPRINGER, 2012)

In this study, 6060 aluminum alloy was coated by plasma electrolytic oxidation (PEO) process. The effect of sodium silicate concentration (A solution-7.5 g/L-B solution-15 g/L) on various morphological properties and ...
The influence of Nano-TiO2 and Nano-Al2O3 Particles in Silicate Based Electrolytes on Microstructure and Mechanical Properties of Micro Arc Coated Ti6Al4V Alloy

Cagatay Demirbas; Ayday, Aysun (UNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS, 2018)

Ceramic oxide coatings were fabricated on Ti6A14V alloy by micro arc oxidation (MAO) in silicate electrolytes, with nano-TiO2 and nano-Al2O3 and without nano-additives Effects of nano additives on the structural and ...
The influence of Nano-TiO2 and Nano-Al2O3 Particles in Silicate Based Electrolytes on Microstructure and Mechanical Properties of Micro Arc Coated Ti6Al4V Alloy

Ayday, Aysun (UNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS, 2018)

Ceramic oxide coatings were fabricated on Ti6A14V alloy by micro arc oxidation (MAO) in silicate electrolytes, with nano-TiO2 and nano-Al2O3 and without nano-additives. Effects of nano additives on the structural and ...
The influence of Nano-TiO2 and Nano-Al2O3 Particles in Silicate Based Electrolytes on Microstructure and Mechanical Properties of Micro Arc Coated Ti6Al4V Alloy

Cagatay Demirbas; Ayday, Aysun (UNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS, 2018)

Ceramic oxide coatings were fabricated on Ti6A14V alloy by micro arc oxidation (MAO) in silicate electrolytes, with nano-TiO2 and nano-Al2O3 and without nano-additives Effects of nano additives on the structural and ...
The influence of Nano-TiO2 and Nano-Al2O3 Particles in Silicate Based Electrolytes on Microstructure and Mechanical Properties of Micro Arc Coated Ti6Al4V Alloy

Ayday, Aysun (UNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS, 2018)

Ceramic oxide coatings were fabricated on Ti6A14V alloy by micro arc oxidation (MAO) in silicate electrolytes, with nano-TiO2 and nano-Al2O3 and without nano-additives. Effects of nano additives on the structural and ...
Wear performance of ductile iron after electrolytic plasma hardening

Ayday, Aysun; Durman, Mehmet (REDAKCIA KOVOVE MATERIALY, 2019)

This study aimed to improve the tribological behavior of electrolytic plasma treated (EPT) ductile iron (DI). For this purpose, ductile iron was electrolytic plasma hardened under different processing parameters (treatment ...