Erişim şekli için "info:eu-repo/semantics/openAccess" Metalurji ve Malzeme Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 28, listelenen: 1-20
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Annealing-time and annealing-temperature dependencies of the size of Ni-Mn-In shell-ferromagnetic nano-precipitates by Scherrer analysis
(Amer Inst Physics, 2018)Shell-ferromagnetic effects are observed in Ni-Mn-based off-stoichiometric Heuslers decomposed into ferromagnetic precipitates embedded in an antiferromagnetic matrix when the surface-to-volume ratio of the precipitates ... -
Characteristics of 5M modulated martensite in Ni-Mn-Ga magnetic shape memory alloys
(Amer Inst Physics, 2015)The applicability of the magnetic shape memory effect in Ni-Mn-based martensitic Heusler alloys is closely related to the nature of the crystallographically modulated martensite phase in these materials. We study the ... -
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 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 ... -
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 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 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 ... -
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 ... -
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 ... -
Flame retardant effect of aluminum hypophosphite in heteroatom-containing polymers
(Springer, 2020)In the present study, the effect of the aluminum hypophosphite (AlHP) concentration on the flame retardant properties of the four different polymers [polyamide 6 (PA6), poly(lactic acid) PLA, thermoplastic polyurethane ... -
Formation of precipitates in off-stoichiometric Ni-Mn-Sn Heusler alloys probed through the induced Sn-moment
(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 ... -
The influence of nitridation time on the structural properties of GaN grown on Si (111) substrate
(Springer Heidelberg, 2009)In the present paper, the effect of in-situ substrate nitridation time on crystalline quality of GaN films grown on Si (111) substrates by metal organic chemical vapor deposition (MOCVD) were investigated. A thin buffer ... -
Large magnetocaloric effects in magnetic intermetallics: First-principles and Monte Carlo studies
(E D P Sciences, 2015)We have performed ab initio electronic structure calculations and Monte Carlo simulations of frustrated ferroic materials where complex magnetic configurations and chemical disorder lead to rich phase diagrams. With lowering ... -
Mechanical and microstructural evaluation of solid-state foamed Ti6Al4V-ELI alloy
(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 ... -
Neutron diffraction and symmetry analysis of the martensitic transformation in Co-doped Ni2MnGa
(Amer Physical Soc, 2020)Martensitic transformations are strain driven displacive transitions governing the mechanical and physical properties in intermetallic materials. This is the case in Ni2MnGa, where the martensite transition is at the heart ... -
A new generation of highly customized Mg alloy-based implants
(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 ...