Başlık için Metalurji ve Malzeme Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 79, listelenen: 12-31
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Decomposition in Ni-Co-Mn-In functional Hensler alloys and its effect on shell-ferromagnetic and magnetocaloric effects
(Amer Physical Soc, 2020)Ni-Co-Mn-In Heusler-based compounds are interesting for their magnetocaloric properties and have been widely investigated for this purpose. For Co compositions more than 5 at% in (Ni100-xCox)(50)Mn25+yIn25-y the material ... -
Deformation behaviour of a new Magnesium ternary alloy
(Amer Inst Physics, 2018)Magnesium based alloys are yet to fill a greater niche especially in the automotive and aeronautical industry. In fact, such alloys have a big weight saving potential, together with good damping characteristics. However, ... -
Deformation Capacity of a Ternary Magnesium Alloy in a Gas-Forming Process at Elevated Temperatures
(Springer, 2019)An experimental ternary magnesium alloy, Mg-2Zn-2Ce, has been investigated. The attention was focused on the possibility of using this alloy for an unconventional sheet-forming process based on a flexible medium (gas-forming) ... -
Development of BaZr0.80Y0.20O3 and SrCe0.95Yb0.05O3 Heterostructures for Proton-conducting Oxides
(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 ... -
DEVELOPMENT OF HYDROGEN PURIFICATION MEMBRANE BASED ON Pd-Mn-Ag TERNARY SYSTEM
(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 ... -
Development of LLDPE based active nanocomposite films with nanoclays impregnated with volatile compounds
(Elsevier Science Bv, 2018)In this study, a novel procedure was performed for grafting of nanoclays (montmorillonite (MMT) and halloysite (HNT)) with essential oil constituents (thymol (THY), eugenol (EUG) and carvacrol (CRV)) using Tween 80 as ... -
Development of rolling technology for twin roll casted 1500MM wide magnesium AZ31 alloy
(Minerals, Metals & Materials Soc, 2009)Magnesium alloy AZ31 sheets of 4.5-6.5mm thick and 1500mm width were produced by twin roll strip casting first time in Turkey. Afterwards, sheets were hot and cold rolled down to less than 1mm both by laboratory and ... -
A dual-doping strategy of LaCoO3 for optimized oxygen evolution reaction toward zinc-air batteries application
(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 ... -
Effect of Al doping on the magnetic and elastic properties of Fe65Ni35 Invar alloys
(Scientific Technical Research Council Turkey-Tubitak, 2019)Invar alloys have great importance due to their low thermal expansion coefficient. The effect of Al doping on Fe65Ni35 Invar alloy was investigated by temperature-dependent magnetization and elastic modulus measurements. ... -
Effect of B-site Al substitution on hydrogen production of La0.4Sr0.6Mn1-xAlx (x=0.4, 0.5 and 0.6) perovskite oxides
(Elsevier Ltd, 2021)Thermochemical water splitting using perovskite oxides as redox materials is one of the important way to use solar energy to produce green hydrogen. Thus, it is hence important to discover new materials that can be used ... -
Effect of crystal orientation on the segregation of aliovalent dopants at the surface of La0.6Sr0.4CoO3
(Royal Soc Chemistry, 2018)The effect of crystal orientation on aliovalent dopant segregation at the surface of La0.6Sr0.4CoO3 as a model perovskite oxide was investigated. La0.6Sr0.4CoO3 pellets were produced and then annealed in air at 800 degrees ... -
Effect of different hydrogen Fugacities on the microstructure of additively manufactured Ti-6Al-4V
(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 ... -
Effect of Heat Treatment on the Microstructure, Phase Distribution, and Mechanical Properties of AlCoCuFeMnNi High Entropy Alloy
(Hindawi Ltd, 2017)The present paper reports the synthesis of AlCoCuFeMnNi high entropy alloy (HEA) with arc melting process. The as-cast alloy was heat treated at 900 degrees C for 8 hours to investigate the effect of heat treatment on the ... -
Emergence of net magnetization by magnetic field biased diffusion in antiferromagnetic L10 NiMn
(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 ... -
Enhanced injectability of aqueous β-tricalcium phosphate suspensions through PAA incorporation, gelling and preshearing
(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 ... -
Evidence for the formation of nanoprecipitates with magnetically disordered regions in bulk Ni50Mn45In5 Heusler alloys
(Amer Physical Soc, 2019)Shell ferromagnetism is a new functional property of certain Heusler alloys which was recently observed in Ni50Mn45In5. We report the results of a comparative study of the magnetic microstructure of bulk Ni50Mn45In5 Heusler ... -
Evolution of Microstructure and Texture in AZ31 Alloy Subjected to Gas Forming
(Springer, 2017)In this study, AZ31 sheets were subjected to gas forming using a stepped geometry die and employing two different temperatures (400A degrees C and 450A degrees C) and exposure times (60 s and 120 s). Microstructural ... -
Exchange bias caused by field-induced spin reconfiguration in Ni-Mn-Sn
(Amer Physical Soc, 2016)Exchange bias is observed in ferromagnetic/antiferromagnetic (FM/AF) layered stacks and in materials with neighboring ferromagnetic and antiferromagnetic granules. The latter is commonly observed in Ni-Mn-based martensitic ... -
Fabrication and characterization of SmCo5/Nb ferromagnetic/superconducting hybrid thin films grown by RF magnetron sputtering technique
(Pergamon-Elsevier Science Ltd, 2017)Ferromagnet/Superconductor (F/S) bilayer hybrids show exclusive states due to the mutual interaction between the superconductor and the underlying ferromagnetic substructures in micron scale. In this work, we aimed to ... -
Fabrication of BaZr0.80Y0.20O3-delta Sputtering Target for Thin-Film Proton Conducting Oxides
(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 ...