• Coating of Si3N4 with HAp via atomic layer deposition 

  Kuşhan Akın, Şeniz Reyhan (2023-08)

  Silicon nitride (Si3N4) is an attractive implant material, particularly in orthopedic surgery. Although it has only been on the market for spinal fusion surgery requirements so far, it is also a promising candidate for ...
• Reaksiyon Bağlı Silisyum Nitrür Seramiklerinde Sinterleme İlavesinin Mikroyapı ve Antibakteriyel Davranışa Etkisinin İncelenmesi 

  Kuşhan Akın, Şeniz Reyhan (2021)

  Silisyum Nitrür (Si3N4) genellikle yüksek sıcaklık ve yapısal uygulamalarda tercih edilen, üstün özellikli bir oksit dışı seramiktir. Çok sert bir malzeme olmasının yanı sıra, çubuksu beta () tanelerin gelişimi ile seramik ...
• Microstructural Refinement of Ti-6Al-4V Alloy Fabricated by Additive Manufacturing Using Thermochemical Processes 

  Bilgin, Güney Mert; Esen, Ziya; Kuşhan Akın, Şeniz Reyhan; Dericioğlu, Arcan Fehmi (2016)
• Effect of post fabrication aging treatment on the microstructure, crystallographic texture and elevated temperature mechanical properties of IN718 alloy fabricated by selective laser melting 

  Ozer, Seren; Bilgin, Güney Mert; Davut, Kemal; Esen, Ziya; Dericioglu, Arcan F. (2022-08)

  The effect of building direction and post fabrication aging treatment on the microstructure, crystallographic texture and high temperature mechanical properties of Inconel 718 (IN718) alloy fabricated by selective laser ...
• Designing thermochemical processes for ti-alloys produced by additive manufacturing techniques 

  Esen, Ziya; Doğu, Merve Nur; Bilgin, Güney Mert; Tan, Evren; Berkay Gümüş, Berkay; Dericioğlu, Arcan F. (2019)

  Ti-6Al-4V alloys are extensively used in biomedical, aerospace and petro-chemical applications mainly due to their high specific strength, excellent corrosion resistance and high fatigue strength. In contrast to conventional ...
• Effect of SiC addition on the thermal diffusivity of SiAlON ceramics 

  Kuşhan Akın, Şeniz Reyhan; Turan, Servet; Gençoğlu, Pervin; Mandal, Hasan (2017)

  Despite the fact that thermal conductivity is a crucial parameter for SiAlON ceramics with respect to their suitability in various applications, including high-temperature structural components, wear parts, and cutting ...
• Wetting behavior and reaction layer formation in C/SiC composite-titanium alloy joints 

  Saltik, Simge; Esen, Ziya; Dericioglu, Arcan F. (2022)

  The present study investigates the effect of brazing parameters on reaction layer formation, and mechanical properties of C/SiC composite-Ti6Al4V alloy joints produced by brazing technique. The wetting mechanism of the ...
• Nanoscale structure and structural relaxation in Zr 50Cu 45Al 5 bulk metallic glass 

  Hwang, Jinwoo; Melgarejo, Z.H.; Kalay, Y.E.; Kalay, İlkay; Kramer, M.J.; Stone, D.S.; Voyles, P.M. (2012-05-11)

  Hybrid reverse Monte Carlo simulations of the structure of Zr 50Cu 45Al 5 bulk metallic glass incorporating medium-range structure from fluctuation electron microscopy data and short-range structure from an embedded atom ...
• Microstructural and texture evolution during thermo-hydrogen processing of Ti6Al4V alloys produced by electron beam melting 

  Doğu, Merve Nur; Esen, Ziya; Davut, Kemal; Tan, Evren; Gümüş, Berkay; Dericioğlu, Arcan F. (2020-10)

  The present study was conducted to reveal the effects of building angles and post heat-treatments (2-step Thermo-Hydrogen Processing (THP) and conventional annealing treatment) on the density, microstructure and texture ...
• Kinetics and Mechanisms of Isothermal Devitrification in Amorphous Cu50Zr50 

  Cullinan, Tim; Kalay, İlkay; Kalay, Y. Eren; Kramer, Matt; Napolitano, Ralph (2015-02)

  The crystallization kinetics and microstructural dynamics associated with devitrifying a meltspun Cu50Zr50 metallic glass were investigated using isothermal treatments, in situ high-energy synchrotron X-ray diffraction, ...
• Fragmentation and Coulomb explosion of multicharged small boron clusters 

  Taş, Murat; Akman, Nurten; Özdoǧan, Cem; Boustani, Ihsan (2012-06-22)

  We extensively study the fragmentation and Coulomb explosion of multiply charged small boron clusters B n (n=2-13), where n is the cluster size. Our calculations are based on ab initio quantum-chemistry methods. Highly ...
• Experimental Investigation on Wire Electric Discharge Machining of Biodegradable AZ91 Mg Alloy 

  Ürtekin, Levent; Özerkan, Hacı Bekir; Çoğun, Can; Genç, Asım; Esen, Ziya; Bozkurt, Fatih (2021-10)

  The AZ91 magnesium alloy, used commonly as a biodegradable material in biomedical applications, is generally formed by conventional casting method (CCM) and high-pressure die casting method (HPDCM). The AZ91 alloys exhibit ...
• Effect of nitrogen on the antibacterial behavior of oxynitride glasses 

  Akın, Şeniz R. Kuşhan; Dölekçekiç, Emrah; Webster, Thomas J. (2021-07-01)

  The main drawback of bioglasses is their restricted use in load bearing applications and the consequent need to develop stronger glassy materials. This has led to the consideration of oxynitride glasses for numerous ...
• Antibacterial behavior of oxynitride glasses as a glassy grain boundary phase for silicon nitride-based ceramics 

  Kuşhan Akın, Şeniz R.; Dölekçekiç, Emrah; Webster, Thomas J. (2021-07)

  Silicon nitride-based ceramics have provided significant advantages due to their high chemical resistance, high elastic modulus, and combination of hardness and fracture toughness (depending on self-reinforcement). Over ...
• Microstructure and Mechanical Properties of CoCrFeNi(TiAl) High Entropy Alloys 

  Kalay, İlkay (2020)

  The structure and mechanical properties of CoCrFeNi and CoCrFeNiTi0.5Al0.5 (in molar ratio) high entropy alloys were investigated using X-ray diffraction (XRD), optical microscope (OM), scanning electron microscope (SEM), ...
• Investigation of phase selection hierarchy in Mn-Al alloys 

  Genç, Ayşe Merve; Acar, Özgün; Turan, Servet; Kalay, İlkay; Savacı, Umut; Kalay, Yunus Eren (2019-12)

  Primarily attributed to the formation of the ferromagnetic tau-phase, near equiatomic composition of Mn-Al have recently received much attention in permanent magnet industry. Several mechanisms have been proposed in ...
• Effects of Process Parameters on Fe2O3/α-Al2O3 Luster Pigments Produced By Precipitation Method 

  Günhan, Büşra; Kaya, Güray; Kök, Mesut; Weinekotter, Çiğdem; Poyraz, H. Bogaç; Ceylantekin, Rasim; Kuşhan Akın, Şeniz Reyhan (2020)

  Common known examples of substrate-based pigments are mica/TiO2 and mica/Fe2O3 luster pigments produced using wet chemical methods and gas-phase reaction techniques. Luster coatings, in particular those prepared using ...
• Effect of CNT impregnation on the mechanical and thermal properties of C/C-SiC composites 

  Tülbez, Simge; Esen, Ziya; Dericioğlu, Arcan F. (2020-06)

  The present study investigates the effect of additional carbon source, in the form of carbon nanotubes (CNTs), on mechanical and thermal properties of carbon fiber reinforced silicon carbide (C/C-SiC) ceramic matrix ...
• Kinetics and mechanisms of isothermal devitrification inamorphous cu50zr50 

  Cullinan, Tim; Kalay, İlkay; Kalay, Y. Eren; Kramer, Matt; Napolitano, Ralph (Springer, 2015-02)

  The crystallization kinetics and microstructural dynamics associated with devitrifying a melt-spun Cu50Zr50 metallic glass were investigated using isothermal treatments, in situ high-energy synchrotron X-ray diffraction, ...
• Crystallization kinetics and phase transformation mechanisms incu56zr44 glassy alloy 

  Kalay, İlkay; Kramer, Matthew J.; Napolitano, R. E. (Springer, 2015-08)

  The kinetics and phase selection mechanisms involved in the crystallization of an amorphous Cu-Zr alloy of eutectic composition (Cu56Zr44) were investigated using in situ high-energy X-ray diffraction (HEXRD), transmission ...

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