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Güncel gönderiler

Güncel Gönderiler: Malzeme Bilimi ve Mühendisliği Bölümü Yayın Koleksiyonu

Toplam kayıt 51, listelenen: 21-40

Titanium-magnesium based composites: mechanical propertiesand in-vitro corrosion response in ringer's solution

Esen, Z; Dikici, Burak; Duygulu, Özgür; Dericioğlu, Arcan F. (Elsevier Science BV, 2013-06-20)

Ti-Mg composite rods exhibiting both bioinert and biodegradable characteristics have been manufactured by hot rotary swaging from elemental powders of titanium and magnesium. As a result of processing, spherical magnesium ...
Corrosion Behaviours of Ti6Al4V-Mg/Mg-Alloy Composites

Esen, Ziya; Öcal, Ezgi Bütev; Akkaya, Aslı; Gürçay, Bensu; Özcan, Ceren; Özgümüş, Burcu Aslı; Duygulu, Özgür; Dericioğlu, Arcan F. (Elsevier LTD., 2020-04-15)

The effect of coupling of unalloyed Mg and Mg-alloys (AZ91 and WE43) with Ti6Al4V alloy on corrosion and degradation behaviours of produced composites has been investigated in simulated body fluid (SBF) by hydrogen evolution, ...
Comparison of the Short and Long-Term Degradation Behaviors of As-Cast Pure Mg, Az91 and We43 Alloys

Bütev Öcal, Ezgi; Esen, Ziya; Aydınol, Kadri; Dericioğlu, Arcan F. (Elsevier LTD., 2020-02-01)

The corrosion behaviors of pure magnesium, AZ91, and WE43 alloys have been evaluated by weight loss, hydrogen evolution rate, pH change measurements and potentiodynamic polarization as well as electrochemical impedance ...
Epitaxial Graphene and Carbon Nanotubes on Silicon Carbide

Buke, Göknur Cambaz (CRC Press-Taylor & Francis Group, 2014)
In Vitro Bioactivity Investigation of Alkali Treated Ti6al7nb Alloy Foams

Bütev, Ezgi; Esen, Ziya; Bor, Şakir (Elsevier, 2015-02-01)

Biocompatible Ti6Al7Nb alloy foams with 70% porosity manufactured by space holder method were activated via alkali treatment using 5 M NaOH solution at 60 degrees C. The interconnected pore structures enabled formation of ...
Compositional Dependence of Raman-Active Mode Frequencies and Line Widths in Tlıns2xse2(1-X) Mixed Crystals

Güler, I.; Gasanly, N. M.; Korkmaz, F. (Elsevier Science, 2014-11-01)

The Raman spectra of mixed crystals TlInS2xSe2(1-x) have been investigated in the composition range of 0.25 <= x <= 0.75 and in the high-frequency region of 250-350 cm(-1) at room temperature. It was observed that Raman-active ...
Corrosion of Metallic Biomaterials

Dikici, Burak; Esen, Ziya; Duygulu, Özgür; Güngör, Serap (Springer Verlag, 2015)

Metallic materials have been used as biomedical implants for various parts of the human body for many decades. The physiological environment (body fluid) is considered to be extremely corrosive to metallic surfaces; and ...
A Comparison of Radiation Shielding of Stainless Steel With Different Magnetic Properties

Çalık, Adnan; Akbunar, Şahin; Uçar, Nazim; Yılmaz, Nihat; Karakaş, Mustafa Serdar; Akkurt, İskender (Vinca Inst Nuclear Sci, 2014)

The radiation shielding properties of three different stainless steels have been investigated. For this purpose, linear attenuation coefficients at photon energy levels of 662 keV and 1250 keV have been mea sured. The ...
Temperature Dependence of the Brillouin Frequency Shift and the Linewidth of the LA Mode in the Ferroelectric Phase of PZT-x (PbZr1-xTixO3)

Yurtseven, F.; Korkmaz, C. Şişman (IEEE, 2015)

The temperature dependence of the Brillouin frequency and the linewidth of the LA mode is studied for the concentration of x=0.45 in the ferroelectric phase of PbZr1-xTixO3 (PZT-x) within the temperature range of 443 to ...
Characterization of Ti6Al7Nb alloy foams surface treated in aqueous NaOH and CaCl2 solutions

Bütev, Ezgi; Esen, Ziya; Bor, Şakir (Elsevier Science BV, 2016-07)

Ti6Al7Nb alloy foams having 53-73% porosity were manufactured via evaporation of magnesium space holders. A bioactive 1 mu m thick sodium hydrogel titanate layer, NaxH2-xTiyO2y+1., formed after 5 M NaOH treatment, was ...
Tini Reinforced Magnesium Composites By Powder Metallurgy

Esen, Ziya (John Wiley and Sons LTD., 2011)

Rod shaped Mg-TiNi composite samples were manufactured bypowder metallurgical route in which the samples were heated and deformed simultaneously using rotary hot swaging technique. Firstly, encapsulated argon filled copper ...
Local Chemical and Topological Order in Al-Tb And its Role in Controlling Nanocrystal Formation

Kalay, Y. E.; Kalay, I.; Hwang, Jinwoo; Voyles, P. M.; Kramer, M. J. (Pergamon-Elsevier Science LTD, 2012-03)

How the chemical and topological short- to medium-range order develops in Al-Tb glass and its ultimate effect on the control of the high number density of face-centered-cubic-Al (fcc-Al) nuclei during devitrification are ...
The Effect of Processing Routes On the Structure and Properties of Magnesium-Tini Composites

Esen, Ziya (Elsevier Science SA, 2012-12-15)

TiNi particulate-reinforced magnesium matrix composites were fabricated by rotary hot swaging and post-annealing heat treatment. The magnesium matrix of the processed composites was observed to contain elongated grains ...
Nanocrystallization In Cu-Zr-Al-Sm Bulk Metallic Glasses

Sıkan, Fatih; Yaşar, Bengisu; Kalay, İlkay (Springer, 2018-04)

The effect of rare-earth element (Sm) microalloying on the thermal stability and crystallization kinetics of melt-spun ribbons and suction-cast rods of Zr48Cu38.4Al9.6Sm4 alloy were investigated using differential scanning ...
A novel approach for synthesis of monticellite based bioactive ceramic powders from boron derivative waste

Köroğlu, Levent; Bütev, Ezgi; Esen, Ziya; Ayaş, Erhan (Elsevier Science BV, 2017-12-15)

Monticellite bioactive ceramics have a high usage potential as bone graft substitutes due to their superior mechanical properties compared to hydroxyapatite and excellent bioactivity. Turkey has almost 72% of the global ...
Surface characteristics and in-vitro behavior of chemically treated bulk Ti6Al7Nb alloys

Esen, Ziya; Öcal, Ezgi Bütev (Elsevier Science SA, 2017-01-15)

The effect of various treatments on surface chemical composition and structure, and bioactivity of Ti6Al7Nb bulk alloys has been investigated. The alloys were treated employing aqueous solutions of NaOH and CaCl2 separately, ...
Effect of borotitanizing on microstructure and wear behavior of Inconel 625

Kanca, Erdoğan; Günen, Ali; Çakır, Hüseyin; Karakaş, Mustafa Serdar; Gök, Mustafa Sabri; Küçük, Yılmaz; Demir, Mehmet (Elsevier Science BV, 2017-02-15)

nconel 625, a nickel-based superalloy, is used in a wide range of applications including the marine and petroleum industries under where it is subjected to harsh conditions such as high temperatures and highly corrosive ...
Clinoptilolite/PCL-PEG-PCL composite scaffolds for bone tissue engineering applications

Pazarçeviren, Engin; Erdemli, Özge; Keskin, Dilek; Tezcaner, Ayşen (Sage Publications LTD, 2017-03)

The aim of this study was to prepare and characterize highly porous clinoptilolite/poly(epsilon-caprolactone)-poly(ethylene glycol)-poly(epsilon-caprolactone) composite scaffolds. Scaffolds with different clinoptilolite ...
Effect of electrical discharge machining on dental Y-TZP ceramic-resin bonding

Rona, Nergiz; Yenisey, Murat; Küçüktürk, Gökhan; Gürün, Hakan; Çoğun, Can; Esen, Ziya (Elsevier Ireland LTD, 2017-04)

Purpose: The study determined (i) the effects of electrical discharge machining (EDM) on the shear-bond strength (SBS) of the bond between luting resin and zirconia ceramic and (ii) zirconia ceramic's flexural strength ...
Effect of sn alloying on the diffusion bonding behavior of al-mg-si alloys

Atabay, Sıla Ece; Esen, Ziya; Dericioğlu, Arcan F. (Springer, 2017-07)

Effect of Sn as an alloying element on the diffusion-bonding behavior of Al-Mg-Si alloy has been studied by means of differential scanning calorimetry (DSC), X-ray diffraction (XRD), scanning electron microscopy (SEM) and ...

Toplam kayıt 51, listelenen: 21-40

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