• Investigations of the Friction and Wear Resistance of the Natural Fiber-Reinforced Polyamide Composites 

  Doğru, Alperen; Can Kaymaz, İbrahim; Kandemir, Miray Batikan; Seydibeyoğlu, Mehmet Özgür (wiley, 2023)

  The search for natural and biobased materials to create a sustainable future has led many scientists to conduct research on natural-fiber-reinforced composites. Natural fibers have been used for thousands of years, but in ...

• Magnetic properties of the FCC and BCC phases of (MnFeCoNi)(80)Cu(20_x)Z(x()Z(1)& nbsp;Al, Ga) high-entropy alloys 

  Orbay, Yaşar; Rao, Ziyuan; Çakır, Aslı; Tavşanoğlu, Tolga; Farle, Michael; Acet, Mehmet (PERGAMON-ELSEVIER SCIENCE LTD, 2023)

  In this work, the FCC-BCC phase transition in (MnFeCoNi)80Cu20 (Al, Ga) high entropy alloys were investigated on the basis of structural, magnetic, hardness and thermal expansion properties. It is found that the equiatomic ...

• Effect of different hydrogen Fugacities on the microstructure of additively manufactured Ti-6Al-4V 

  Kaya, Ali Arslan; Metalnikov, Polina; Ben-Hamu, Guy; Eliezer, Dan (Elsevier Inc., 2023)

  In this study we compared the microstructural changes in the presence of hydrogen of Ti-6Al-4V alloy prepared by two different additive manufacturing (AM) methods: electron beam melting (EBM) and selective laser melting ...

• Thermal plasma synthesis of (La,Sr)CoO3-(La,Sr)2CoO4 composite cathodes for intermediate temperature solid oxide fuel cells (IT-SOFC) 

  Aysal, Havva Eda; Kılıç, Fahrettin; Çakmak, Gülhan; Öztürk, Tayfur (Elsevier Ltd, 2023)

  (La,Sr)CoO3 and (La,Sr)2CoO4 dual phase powders were synthesized via thermal plasma to be used as cathodes for intermediate temperature solid oxide fuel cells (IT-SOFC). This covered pure (La,Sr)CoO3 as well as the composites ...

• Enhanced injectability of aqueous β-tricalcium phosphate suspensions through PAA incorporation, gelling and preshearing 

  Şahin, Erdem (Elsevier Ltd, 2023)

  The major shortcoming of aqueous calcium phosphate suspensions used in biomedical applications is their unstable flow during delivery by mechanical means. In this study, microstructural changes and the resulting flow ...

• Formation of precipitates in off-stoichiometric Ni-Mn-Sn Heusler alloys probed through the induced Sn-moment 

  Eggert, Benedikt; Çakır, Aslı; Günzing, Damian; Josten, Nicolas; Scheibel, Franziska; Acet, Mehmet (Royal Society of Chemistry, 2023)

  The shell-ferromagnetic effect originates from the segregation process in off-stoichiometric Ni-Mn-based Heusler alloys. In this work, we investigate the precipitation process of L21-ordered Ni2MnSn and L10-ordered NiMn ...

• Emergence of net magnetization by magnetic field biased diffusion in antiferromagnetic L10 NiMn 

  Çakır, Aslı; Josten, Nicolas; Noorzayee, Sakia; Miroshkina, Olga; Zingsem, Benjami (AMER PHYSICAL SOC, 2023)

  NiMn is a collinear antiferromagnet with high magnetocrystalline anisotropy (K = -9.7 x 105 J m-3). Through magnetic annealing of NiMn with excess Ni, strongly pinned magnetic moments emerge due to an imbalance in the ...

• Influence of two-step austempering at different temperatures on mechanical and microstructural properties of AISI 9254 high silicon steel 

  Nalcacı, Burak; Baysun, Meltem; Bahador, Abdollah; Umeda, Junko; Münstermann, Sebastian; Kaya, Ali Arslan; Erdoğan, Mehmet (Taylor and Francis Ltd., 2023)

  This study was undertaken to understand the effects of two-step austempering treatment on an AISI 9254 high silicon steel towards tailoring the properties as desired while simultaneously employing the benefits of high and ...

• Characterization of 1–3 piezocomposites from PNN-PZT piezoceramics 

  Yalçın, Ezgi; Gözüaçık, Namık Kemal; Alkoy, Sedat; Sarı, Hüseyin Alptekin; Kaya, Mustafa Yunus; Öncel, Çınar; Menşur, Ebru (Elsevier B.V., 2023)

  Piezocomposite materials combine best properties of components while minimizing their disadvantages to provide desired properties. This study reports on piezocomposites with 1–3 connectivity prepared from 0.5Pb(Ni1/3Nb2/ ...

• DEVELOPMENT OF HYDROGEN PURIFICATION MEMBRANE BASED ON Pd-Mn-Ag TERNARY SYSTEM 

  Köse, Mehmet Mert; Pişkin, Fatih; Öztürk, Tayfur (International Association for Hydrogen Energy, IAHE, 2022)

  In this paper, we investigate Pd-Mn-Ag ternary system for potential alloys as separation membranes. For this purpose, thin film membranes of varying compositions were produced via magnetron sputtering. These were evaluated ...

• Magnetic properties of fcc and ? phases in equiatomic and off-equiatomic high-entropy Cantor alloys 

  Özgün, Özge; Koch, David; Çakır, Aslı (AMER PHYSICAL SOC, 2023)

  The equiatomic face-centered-cubic (fcc) high-entropy alloy CrMnFeCoNi has a valence electron concentra-tion of 8 electrons per atom, equivalent to that of Fe. Its ground-state properties are similar to that of fcc-Fe and ...

• Investigation into Ca-Doped LaMnCoO3 Perovskite Oxides for Thermochemical Water Splitting 

  Yiğiter, İhsan Emre; Pişkin, Berke (Springer, 2022)

  Two-step thermochemical water splitting (II-TWS), involving concentrating sunlight, has become prominent for green hydrogen production that does not require H2/O2 separation steps at high temperatures. The kinetics and ...

• Nanoporous surface modification of 316L support materials by electrochemical dealloying 

  Pişkin, Fatih (INDERSCIENCE ENTERPRISES LTD, 2022)

  The current study involves electroplating and dealloying processes applied sequentially to form a nanoporous Ni layer on 316L support material to produce a suitable substrate that enables thin film (< 1 mu m) deposition. ...

• A dual-doping strategy of LaCoO3 for optimized oxygen evolution reaction toward zinc-air batteries application 

  Hilal, Mohamed Elhousseini; Şanlı, Seyfettin Berk; Dekyvere, Sander; Çakmak, Gülhan; Younus, Hussein A.; Pişkin, Fatih; Pişkin, Berke; Verpoort, Francis (WILEY, 2022)

  Perovskite-based electrocatalysts are extensively investigated as a replacement for noble metals electrocatalysts for energy storage and conversion devices. Their interesting catalytic activity, low cost, and diversity are ...

• Development of BaZr0.80Y0.20O3 and SrCe0.95Yb0.05O3 Heterostructures for Proton-conducting Oxides 

  Özdal, Taner; Pişkin, Fatih (WILEY, 2022)

  An investigation was carried out on BaZr0.80Y0.20O3 (BZY) and SrCe0.95Yb0.05O3 (SCY) heterostructures for proton-conducting oxides. The heterostructures were produced by a combinatorial approach yielding 27 different phase ...

• Mechanical and microstructural evaluation of solid-state foamed Ti6Al4V-ELI alloy 

  Guglielmi P.; Piccininni A; Cusanno A.; Kaya, Ali Arslan (Elsevier B.V., 2022)

  Metallic materials adopted in biomedical applications play a key role in the replacement of so-called "hard tissues" (the human bone). Titanium (Ti) alloy prostheses are considered the best among all metallic implants due ...

• A new generation of highly customized Mg alloy-based implants 

  Serratore, Giuseppe; Piccininni, Antonio; de Napoli, Luigi; Şahin, Erdem; Kaya, Ali Arslan (Elsevier B.V., 2022)

  In the last years, the precision and personalized medicine is pushing the biomedical research efforts towards the direction of implant surgery requiring only 1-step approach: this goal has been achieved after the introduction ...

• Artificial neural network investigation of injectability and percolation of highly filled β -Tricalcium phosphate suspensions 

  Kulakoğlu, Serdar; Yalamaç, Emre; Şahin, Erdem (Elsevier Ltd, 2022)

  Over the past few decades, calcium phosphate cement has been used successfully for bone reconstruction applications. As percutaneous surgical methods have developed, there is an increased interest in calcium phosphate ...

• Production and Characterization of Sputtered Y-doped BaZrO3 for Proton Conducting Oxides 

  Pişkin, Fatih; Pişkin, Berke (Springer, 2022)

  A comprehensive study was carried out to evaluate single-phase BaZr0.80Y0.20O3-delta thin films produced by RF magnetron sputtering using a single target material. The present study mainly involved three objectives, i.e., ...

• Fabrication of BaZr0.80Y0.20O3-delta Sputtering Target for Thin-Film Proton Conducting Oxides 

  Pişkin, Fatih (MAIK NAUKA/INTERPERIODICA/SPRINGER, 2022)

  A systematic work was carried out to fabricate a phase-pure sputter target for thin film deposition of BaZr0.80Y0.20O3 - delta. The current study mainly involves two parts; i.e. determination of the ideal parameters for ...

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