Materials Literature
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Rockfall impact is one of the fatal hazards in pipeline transportation of oil and gas. The deformation of oil and gas pipeline caused by rockfall impact was investigated using the finite element method in this paper. Pipeline deformations under radial impact, longitudinal inclined impact, transverse inclined impact, a…
The corrosion resistance of multilayered Sn/Ag 3 Sn films with a 30–80 nm-thick Ag layer on reflowed Sn layer (i.e., melting and resolidification of the electrodeposited Sn) on Cu alloy substrates was investigated by accelerated sulfidizing tests in (NH 4 ) 2 S x solutions and accelerated aging tests at 473 K, and com…
A non-circular drawing sequence was investigated for manufacturing medium carbon steel wires with improved spheroidization of cementite for better cold workability compared to those produced by the conventional wire drawing. The wire drawing and non-circular drawing processes with 20% area reduction per each pass were…
In co-operation with the German Aerospace Center, the Solar-Institut Jülich has been analyzing the different technologies that are available for methanol production from CO2 using solar energy. The aim of the project is to extract CO2 from industrial exhaust gases or directly from the atmosphere to recycle it by use o…
PURPOSE: To assess the effect of a rectal enema on interfraction prostate movement in bone alignment (BA) for prostate radiotherapy (RT), we analyzed the spatial difference in prostates in a bone-matched setup. MATERIALS AND METHODS: We performed BA retrospectively with data from prostate cancer patients who underwent…
In this work, we reported a facile approach to fabricate LaTiO3 (LTO) nanosheets for resistive switching memory applications. Different from other lanthanum titanates synthesized via solvothermal approaches, herein the unique composition ratio of La : Ti : O = 1 : 1 : 3 has been found. The drop-coating method was util…
A ratiometric fluorescent probe for the visual detection of Cu 2+ in aqueous media has been developed based on a “click” reaction between a pyrene azide and a positively charged terminal alkyne.
A nonlocal damage‐plasticity coupled area‐weighted model was proposed to investigate the fracture process of the ductile fracture materials with softening behavior, such as asphalt concrete materials. The model can overcome the mesh sensitivity problem in the analysis. A subroutine of ABAQUS software was developed to…
A Nafion (NF) ionomer was used as a potential new template or scaffold for mesoporous metal composites because intrinsic meso-structures have been found in NF. A facile EC catalytic process, involving a Cu+-mediated Pt reduction (CMPR), was successfully used as a major source of Pt nanoparticles (nPts). We found that…
The over capacity of lithium ion batteries with metal-oxides anode materials is usually regarded as originating from the low-voltage decomposition of the electrolyte and subsequent formation of a gel-like polymer layer deposited on the metal-oxides surfaces. In this work, we report a high over capacity value of 1800 m…
While it is well-known that oligoethylene glycol (OEG) terminated self-assembled monolayers (SAMs) can be deteriorated by UV irradiation in air, we now report that the analogous modification can also be performed in water, opening the opportunity for in situ tuning of biorepulsive properties. Surprisingly, this deteri…
Water leakage detection is important for a proper management of water distribution systems (WDS). This paper proposes the application of the leak detection approach based on a new Bayesian calibration methodology. The methodology uses a new developed index μ, which takes into account the difference in roughness values…
Thermal stability is one of the main concerns for the synthesis of hollow nanoparticles. In this work, molecular dynamics simulation gave an insight into the atomic reconstruction and energy evolution during the collapse of hollow gold nanoballs, based on which a mechanism was proposed. The stability was found to depe…
This study examines the influence of stitching on the structural and damage response of thin carbon/epoxy [02/902]s laminates subjected to low-velocity impact. Impact tests were carried out on unstitched and stitched laminates and the nature and extent of damage at various impact energies was characterized by radiogra…
The effects of the titanium dioxide (TiO 2 ) particles size on the friction coefficient and corrosion performance of the Ni-P/TiO 2 composite coatings before and after heat treatment at 400°C for 1h have been investigated. Pin-on-disc analysis results have revealed that the highest and the lowest friction coefficients…
Agricultural pesticide contamination results from the use and or misuse of agricultural pesticides. It proved that pesticides adversely affect the human health and the environment. These pesticides tend to bind tightly to the soil, most often in the surface layer and are persistent in the environment and thus may be p…
Anodic oxidation is used for the surface treatment of commercial implants to improve their functional properties for clinical success. Here we conducted ultrastructural and chemical investigations into the micro- and nanostructure of the anodic oxide film of a titanium implant. The anodic oxidized layer of a Ti6Al4V a…
Nanostructured niobium oxide semiconductor is gaining increasing attention as electro-optic and gas sensing material. However, the preparation of stable niobium oxide nanofilm with reproducible morphology and behaviour remains a challenge. Here we describe a rapid and well-controlled approach to synthesize a niobium o…
Visible light responsive TiO 2 crystals form on the surfaces of rutile TiO 2 nanocrystals during kinetic phase transformation from anatase to rutile. The nanocrystals exhibit excellent photoelectric conversion properties for photocatalytic hydrogen production.
This study was conducted to synthesize a series of nanosized BiOI-TiO2 catalysts to photodegrade Bisphenol A solution. The BiOI-TiO2 nanoparticles were synthesized in the reverse microemulsions, consisting of cyclohexane, Triton X-100, n-hexanol, and aqueous salt solutions. The synthesized particles were characterized…