Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 48, listelenen: 21-40
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MXenes/graphene heterostructures for Li battery applications: a first principles study
(Royal Soc Chemistry, 2018)MXenes are the newest class of two-dimensional (2D) materials, and they offer great potential in a wide range of applications including electronic devices, sensors, and thermoelectric and energy storage materials. In this ... -
Promising Piezoelectric Performance of Single Layer Transition-Metal Dichalcogenides and Dioxides
(American Chemical Society, 2015)Piezoelectricity is a unique material property that allows one to convert mechanical energy into electrical one or vice versa. Transition metal dichalcogenides (TMDC) and transition metal dioxides (TMDO) are expected to ... -
Equilibrium limit of thermal conduction and boundary scattering in nanostructures
(Amer Inst Physics, 2014)Determining the lattice thermal conductivity (kappa) of nanostructures is especially challenging in that, aside from the phonon-phonon scattering present in large systems, the scattering of phonons from the system boundary ... -
Harmonised method for impact resistance requirements of E-glass fibre/unsaturated polyester resin composite railway car bodies
(Elsevier Sci LTD, 2018)This paper shows for the first time an approach to harmonise and unify various railway standards into a single method for small object strike against rail vehicles. Emerging composite materials applications for structural ... -
Ab initio calculations of martensitic phase behavior in Ni2FeGa magnetic shape memory alloys
(Elsevier Science Sa, 2014)A series of spin polarized energy calculations based on density functional theory (DFT) have been carried out to investigate the structural, magnetic, electronic and mechanical properties of Ni2FeGa magnetic shape memory ... -
Piezoelectricity in two-dimensional materials: Comparative study between lattice dynamics and ab initio calculations
(Amer Physical Soc, 2017)The elastic constant C-11 and piezoelectric stress constant e(1),(11) of two-dimensional (2D) dielectric materials comprising h-BN, 2H-MoS2, and other transition-metal dichalcogenides and dioxides are calculated using ... -
Shape Memory Behavior of [111]-Oriented NiTi Single Crystals After Stress-Assisted Aging
(Chinese Acad Sciences, Inst Metal Research, 2016)The shape memory behavior of [111]-oriented Ni51Ti49 (at.%) single crystals was investigated after stress assisted aging at 500 degrees C for 1.5 h under a compressive stress of -150 MPa. It was found that a single family ... -
U-Shape Slot Antenna Design with High-Strength Ni54Ti46 Alloy
(Springer Heidelberg, 2016)In this paper, a compact, printed, capsule-U-shape ultra-high-strength Ni54Ti46 antenna that can be used in biomedical and communication applications is presented. An accurate electromagnetic model of the shape memory alloy ... -
On the Formability of Ultrasonic Additive Manufactured Al-Ti Laminated Composites
(Springer, 2018)Ultrasonic additive manufacturing (UAM), different from most of additive manufacturing technologies, enables manufacturing of composite parts consisting of two or more materials. The current study focuses on mechanical ... -
Compressive response of Ni45.3Ti34.7Hf15Pd5 and Ni45.3Ti29.7Hf20Pd5 shape-memory alloys
(Springer, 2015)The shape-memory properties of Ni45.3Ti34.7Hf15Pd5 and Ni45.3Ti29.7Hf20Pd5 polycrystalline alloys were determined through superelasticity and shape-memory tests in compression. It has been revealed that the Ni45.3Ti34.7Hf15Pd5 ... -
Shape memory and transformation behavior of high strength 60NiTi in compression
(IOP Publishing LTD, 2016)This study investigates the transformation behavior of highly Ni-rich 60NiTi alloys after aging at 600 degrees C for 3 h. After 600 degrees C-3h aging, R-phase disappeared and alloy transformed in one step. The latent heats ... -
Effects of aging on the shape memory and superelasticity behavior of ultra-high strength Ni54Ti46 alloys under compression
(Elsevier Science Sa, 2016)This study investigates the effects of aging on the shape memory and superelasticity behavior of a Ni-rich Ni54Ti46 (at%) alloy. Differential scanning calorimetry (DSC), X-ray diffraction (XRD), transmission electron ... -
Modelling free and oxide-supported nanoalloy catalysts: comparison of bulk-immiscible Pd-Ir and Au-Rh systems and influence of a TiO2 support
(Royal Soc Chemistry, 2018)The relative stabilities of different chemical arrangements of Pd-Ir and Au-Rh nanoalloys (and their pure metal equivalents) are studied, for a range of compositions, for fcc truncated octahedral 38- and 79-atom nanoparticles ... -
Positive and negative two-way shape memory effect in [111]-oriented Ni51Ti49 single crystals
(Elsevier Science Sa, 2015)This study investigates the effect of precipitates and compressive loading at selected temperatures on the two-way shape memory effect (TWSME) properties of a [111]-oriented Ni51Ti49 single crystal shape memory alloy. The ... -
Effects of orientation on the shape memory behavior of Ni51Ti49 single crystals
(Elsevier Science Sa, 2017)The orientation dependence of the shape memory responses of [001], [011] and [111]-oriented Ni51Ti49 single crystals and Ni50.8Ti49.2 polycrystals are systematically studied in compression. Thermal cycling under constant ... -
Achieving Fast Kinetics and Enhanced Li Storage Capacity for Ti3C2O2 by Intercalation of Quinone Molecules
(American Chemical Society, 2019)Using first-principles calculations, we demonstrated that high lithium storage capacity and fast kinetics are achieved for Ti3C2O2 by preintercalating organic molecules. As a proof-of-concept, two different quinone molecules, ... -
Real-time virtual clothes try-on system
(Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2016)Virtual clothes try-on has recently come into the researchers' focus owing to its commercial potential. It can be used as an efficient tool in online shopping, allowing users to narrow down their choices to a few designs ... -
Design, fabrication, and testing of a multiple-actuation shape memory alloy pipe coupler
(SAGE Publications LTD, 2018)Shape memory alloy pipe couplers use the shape memory effect to apply a contact pressure onto the surface of the pipes to be coupled. In the current research, a shape memory alloy pipe coupler is designed, fabricated, and ... -
Effect of grain refinement and phase composition on room temperature superplasticity and damping capacity of dual-phase Zn-Al alloys
(Cambridge University Press, 2018)The effects of grain refinement and phase composition on superplasticity and damping capacity of eutectic Zn-5Al and eutectoid Zn-22Al alloys were investigated. For grain refinement, equal-channel angular pressing (ECAP) ... -
Distributions of Compressive Strength Obtained from Various Diameter Cores
(Amer Concrete Inst, 2012)Test results from cores with diameters smaller than the standard sizes and with length-to-diameter (Vd) ratios less than I are considered to be unreliable due to higher variability in concrete strength. There is, however, ...
