Materials Literature
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We report the magnetic, heat-capacity, dielectric and magnetodielectric (MDE) behaviour of a Haldane spin-chain compound containing light rare-earth ion, Nd2BaNiO5, in detail, as a function of temperature (T) and magnetic field (H) down to 2 K. In addition to the well-known long range antiferromagnetic order setting i…
Nowadays, ferromagnetic shape memory Heusler alloys are ones of famous multifunctional materials exhibiting many interesting features in the temperature interval of the martensitic transformation due to the strong interrelation between crystal structure and magnetic order. The multiferroic, magnetoresistive, martensit…
In this review we present information about obtaining and properties of carbon nanomaterials (graphite oxide, grapheme oxide, reduced graphene oxide), which are used as electrodes for supercapacitors (SC). This review describes methods of obtaining graphite oxide, followed by separation of graphene oxide and reducing…
Today, the pollution due to non-degradable material such as plastics, has led to studies about the development of environmental-friendly material. Because of biodegradability obtained from natural sources, polylactid acid (PLA) and ijuk fiber are interesting to modify into a composite. This material is also expected t…
A high sensitivity magnetic field sensor based on magnetoelectric (ME) coupling is presented. The ME sensor FeCuNbSiB/Nickel-PZT-FeCuNbSiB/Nickel is made by bonding magnetization-graded magnetostrictive materials FeCuNbSiB/Nickel at the free ends of the piezoelectric Pb(Zr1-x,Tix)O3 (PZT) plate. Experiments indicate t…
Ceramic-matrix composites of different types have been comprehensively studied using three-dimensional numerical simulation, resonance analysis of impedance spectra, and pulse-echo ultrasonic measurements. The results of finite-difference simulation of longitudinal ultrasonic wave propagation in different viscoelastic…
Over the last 50 years, remarkable improvements in mechanical and barrier properties of polymer composites have been realized. Their improved properties have been widely studied and employed for food packaging to keep food fresh, clean and suitable for consumption over sufficiently long storage period. In this paper,…
An acute toxicopathological study of silver nanoparticles (AgNPs) was conducted in concentrations of 0, 1, 10 and 100 ppm in adult tilapia (Oreochromis niloticus) at days 0, 1, 2, 3 and 4. Mortality, clinical sign, histopathology and immunohistochemistry were observed and evaluated. Calculated LC50 at 24 hr was 53 ppm…
In order to investigate the microstructure of magnesium oxide hydration product within seawater, two reaction conditions (liquid‐solid and gas‐liquid‐solid) and two solutions (seawater and deionized water) were adopted for magnesium oxide hydration. The characterization of the hydration product using X‐Ray diffraction…
Rigid polyurethane foams, prepared by a single step method, were modified with the two types of ground tire rubber particles, i.e. untreated and thermo-mechanically reclaimed using a co-rotating twin screw extruder. The foaming process as well as the structure and the physical, mechanical and thermal properties of the…
The aim of this study was to model the color strength of viscose/lycra (95:5) blended knitted fabrics using a fuzzy logic approach where color strength is a function of dye concentration, salt concentration, and alkali concentration. Dye concentration, salt concentration, and alkali concentration are the most importan…
Numerous approaches have been used to improve the tissue-implant interface of titanium (Ti) and titanium alloy (Ti6Al4V). They all aim at increasing cell migration and attachment to the metal, preventing unspecific protein adsorption and improving post-implantation healing process. Promising methods for titanium and t…
N. Hoff, L. M. Kachanov, and Yu. N. Rabotnov derived coupled high-temperature creep and damage equations on the basis of several assumptions; in particular, they used the incompressibility condition, which contradicts the notion of damage. To eliminate this contradiction, one should consider the mass conservation law…
This paper focuses on using low melt alloys (LMAs) containing In, Ga, Sn, and Bi as compliant high performance thermal interface material. The investigation described herein involves in-situ thermal performance of LMAs as a function of applied pressure as well as performance evaluation after accelerated life cycle tes…
Axial Structure of the hysteresis motors like the other axial types of electrical machines, have some outstanding characteristics regarding radial structures such as higher torque to weight ratio, excellent efficiency, adjustable air-gap, and balanced rotor-stator attractive forces. Since, the accurate measurement of…
Abstract The magneto‐electric (ME) coupling of multiferroic materials is of high interest for a variety of advanced applications like in data storage or sensor technology. Since the ME coupling of single‐phase multiferroics is too low for technical applications, the manufacturing of composite structures becomes releva…
This paper presents an experimental and theoretical study of the influence of a tensile load on the relaxation of residual stresses in a hardened cylindrical specimen of ZhS6KP alloy under creep conditions at 800°C. An experimental study was conducted to investigate the distribution of the axial residual stress tensor…
The synergistic inhibition effects of the coptis extract (CP)/berberine (BB) and thiourea (TU) on the corrosion of mild steel in 3% NaCl solution saturated with CO2 at 60 °C was investigated by potentiodynamic polarization curves, electrochemical impedance spectroscopy (EIS) and X-ray photoelectron spectroscopy (XPS)…
In the present work, boronizing coating was produced by pack cementation to improve the surface performance and increase the usage lifetime of P110 oil casing tube steel during operation. Scanning electron microscope (SEM), X-ray diffraction (XRD) and glow discharge optical emission spectroscope (GDOES) were used to i…
Recent studies in the field of thermomechanical treatment (TMT) of Ti-Ni shape memory alloys are presented and discussed. The main problems of structure and phase transformations, and their effect on the Ti-Ni functional properties are stated. The structure formation and phase transformations are studied using TEM, XR…