Materials Literature
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Biogenatic nanosilica was synthesized by sol-gel method from rice husk ash. The batch reactor was designed to scaling-up from laboratory scale approximately 5 g to approximately 300 g of the feed raw materials. The synthesized silica products from lab-scale vessel and scaling up designed batch reactor were compared wi…
This research has focused on the fabrication of a urea biosensor based on electrically conducting poly (pyrrole-co-para-phenylenediamine) (PPy-co-PPD). High amount of free amino groups (-NH2), originating from PPD, in the PPy-co-PPD structures made them suitable for chemical immobilization of urease. The PPy-co-PPD fi…
Abstract The INCEFA-PLUS project (INcreasing Safety in NPPs by Covering gaps in Environmental Fatigue Assessment) aims to generate and analyse Environmentally-Assisted Fatigue (EAF) experimental data studying parameters such as mean strain, hold times and surface finish. To understand the implications of these paramet…
Abstract In this study, we performed fracture toughness characterization of ten neutron-irradiated Eurofer97 variants using precracked miniature multi-notch bend bar (M4CVN) specimens based on the Master Curve method in the ASTM E1921 standard. The neutron irradiation was performed in the flux trap position of the Hig…
Abstract Aluminum alloys are desirable in mobile fuel cell applications due to the combination of strength, hydrogen resistance, and low density. In dry hydrogen environments, the fatigue and fracture resistance of common structural aluminum alloys are not degraded compared to air environments. However, aluminum alloy…
Abstract The development of advanced power plants requires alloys to operate at elevated temperature and pressure for an extended period of time. It is critical to consider creep during the design process to avoid catastrophic failure. Creep rupture data are often not available for desired operating conditions. Accura…
Abstract Uniaxial samples have been manufactured for tension/compression testing from 316L stainless steel by laser powder bed fusion (LPBF). Samples manufactured by LPBF are known to contain high levels of residual stresses. These uniaxial samples were built from a solid cylindrical rod and subsequently machined to r…
Abstract Improved design fatigue curves were developed in the Subcommittee on Design Fatigue Curve in the Atomic Energy Research Committee in the Japan Welding Engineering Society (JWES). Working Group on Design Fatigue Curves (WG DFC) in the JSME has studied the validity and the applicability of the improved design f…
Abstract The “Establishing AMR Structural Integrity Codes and Standards for UK GDA” (EASICS) project has recently been established to help support the acceptance of Advanced Modular Reactors, or AMRs, which are typically based on high temperature Generation IV reactors. The EASICS project is looking to help define the…
Transition metal dichalcogenides (TMDCs) are promising for future electronic and optoelectronic applications, such as field effect transistors (FETs), for their high carrier mobility with a thin layer, wide bandgap, and organic-like flexibility. However, background doping and unipolar electrical characteristics are co…
Photoluminescence (PL) measurements at a wide temperature range, up to room temperature, for high-quality and high-density GaAs/AlGaAs quantum dots (QDs) fabricated by droplet epitaxy were carried out to investigate the anomalous temperature dependence of the PL peak energy from the QD ensemble. In addition to a repor…
Two new transition coordination polymers (CPs) with the chemical formula of {[Zn4(dip)4(H2O)2(4-ppbp)2]·12H2O}n (1, H2dpa = diphenic acid, 4-ppbp = (propane-1,3-diylbis(piperazine-4,1-diyl))bis(pyridin-4-ylmethanone)) and [Co(dipH)2(bdin)]n (2, bdin = N,N-(butane-1,3-diyl)diisonicotinamide) have been successfully prep…
Submicro- and nanosized domain patterns are demanded by various applications. The most attractive method for fabrication of structures of these scales is the domain writing by an AFM-tip voltage Utip. The use of this method is limited by the appearance of so-called anomalous domains, in which a small area under the ti…
We experimentally study the optical properties of Al- S i O 2 hyperbolic metamaterials. The hyperbolic dispersion and ultrathin Al film ∼ 12 n m make the Al- S i O 2 multilayers possess transmission efficiency ∼ 0.3 for the spatial frequency ranging from k 0 to 1.42 k 0 at 363.8 nm illumination. The atomic concentrati…
Compatibility investigation was performed between magnesium stearate and acidic drug compounds (ibuprofen, indomethacin and valproic acid) and acidic pharmaceutical excipients (lactic acid and citric acid) using differential scanning calorimetry (DSC). DSC study indicated the possible incompatibility for the mixture b…
Abstract This article presents the impact of MgB2 wire bending and diameter on transport critical current density and irreversible magnetic field of a resultant coil. Unreacted MgB2 wires 500 mm in length and 0.63 or 0.83 mm in diameter have been used in the fabrication of small diameter (14 mm) superconducting coils.…
In the next few years, the progresses in plasma technology will play an increasing role in our lives, providing new sources of energy. The studies conducted by scientists on plasma state not only accelerate technological developments, but also describe the characteristics and types of plasmas and improve the understan…
Abstract Residual stresses are internal self-equilibrating stresses that remain in the component even after the removal of external load. The aforementioned stress when superimposed by the operating stresses on the offshore piping, enhance the chances of fracture failure of the components. Thus, it is vital to accurat…
Abstract Internal CO2/H2S corrosion of gathering pipelines is a serious problem in natural gas plant. It is important for field engineers to assess the corrosion degree and control corrosion risk. A multi-kernel support-vector-machine (SVM) method is presented to rank internal corrosion of gathering pipelines accordin…
Abstract While establishment of appropriate policies and securing key technologies on spent nuclear fuels are state-of-the-arts in the world due to saturation of fuel pools and/or temporary facilities, the details of transportation, storage and repository are different depending on the situation in each country. There…