Materials Literature
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The phase change nanofibers are prepared via electro spinning with the poly(styrene-co-acrylonitrile) (SAN) as carriers and the lauric acid (LA) as the phase change materials (PCMs). The content of the solution, the solubilizer palmitic acid (PA) and the parameters of the electro spinning vary with the favorable condi…
Among nanocarbon fillers, carbon nanotubes are considered to be an ideal reinforcement due to their miniscule size, and excellent electrical, thermal, and mechanical properties. However, carbon nanotubes can be utilized in polymer nanocomposites only if they are homogenously dispersed into polymer matrices. The multiw…
Biodegradable aliphatic poly (butylene succinate-co-butylene itaconate) (PBSBIs) from succinic acid, itaconic acid and 1,4-butanediol were synthesized through a polycondensation with titanium tetraisoproxide (TTP), diphenylphosphinic acid (DPPA) as the novel co-catalysts in this article. By means of gel permeation chr…
A series of cardo polyimides (PIs) containing large‐volume cardo groups were prepared via aromatic nucleophilic substitution polymerization of bisphenols and bis(fluorophthalimide)s. This series of cardo PIs show excellent solubility in a variety of organic solvents. The glass transition temperatures (Tgs) of these PI…
Recently, the measurement of threshold stress intensity factors for various low alloy ferritic steels was performed in high-pressure hydrogen gas, and it was revealed that the threshold for subcritical crack extension under rising displacement was lower than that for crack arrest under constant displacement. We previo…
The use of osteoarticular implants has improved the quality of life of millions of patients. In this work nanotubular structures tailored made on Ti6Al4V substrates was used as drug delivery system of ibuprofen as a proof of concept. Three different nanotubular films with different sizes and forms (NT, NT+ and NTb) we…
Two materials, pure poly(acrylic acid) (PAA) and nanocomposites with a matrix of PAA and carbon nanotubes (CNTs) as reinforcing agent were synthesized by semi-continuous heterophase polymerization (SHP). CNTs were prepared by a chemical vapor deposition technique and purified by steam. CNTs were characterized by a hig…
Nanoscaled ionic conductors are crucial for future nanodevices. A well-known ionic conductor, AgI, exhibited conductivity greater than 1 Ω(-1) cm(-1) in α-phase and transformed into poorly conducting β-/γ-phase below 147 °C, thereby limiting applications. Here, we report that transition temperatures both from the β-/γ…
The tensile properties of API 5L X70 pipeline steels have been measured in a high-pressure (10 MPa) hydrogen gas environment. Significant decreases in elongation at failure and reduction of area were observed when testing in hydrogen as compared with air, and those changes were accompanied by noticeable changes in fra…
The preforming step, which is the first stage of the RESIN Transfer Molding process, has been analyzed by many experimental or numerical approaches in the literature for reinforcements made of synthetic fibers. The complex mechanical behavior of a flax-based plain weave fabric was studied with the view to investigate…
We explore the pressure versus temperature phase diagram of a system of dimeric Janus nanoparticles using molecular dynamics simulations. Each nanoparticle is modeled as a dumbbell which has one monomer that interacts by a standard Lennard-Jones potential while the other monomer interacts by a core-softened potential.…
Polyaniline-impregnated polyacrylamide conducting hydrogels have been synthesized chemically via interfacial polymerization route using different acidic doping agents like sulfuric acid (H2SO4), hydrochloric acid (HCl), and perchloric acid (HClO4). The best properties were found in case of H2SO4-doped polyacrylamide/p…
For the bridging adhesion of different classes of materials in their intact functional states, the adhesion of biomolecules onto inorganic surfaces is a necessity. A new molecular design strategy for bridging adhesion was demonstrated by the introduction of two independent recognition groups on the periphery of spheri…
In this work, hybrid composites were produced by blending oil palm fibers with coir fibers and high-density polyethylene for fixed fiber content (40 wt%). The composites were manufactured by twin-screw extrusion followed by compression molding. In particular, the effect of coupling agent (maleated polyethylene) concen…
Owing to their remarkable electrical, mechanical, thermal, catalytic, and optical properties as well as their unique structure, carbon nanotubes and graphite have been exploited to produce high performance and multifunctional composites. The resultant composites are differentiated on the basis of their properties to m…
In analogy to III-V compounds, which have significantly broadened the scope of group IV semiconductors, we propose a class of IV-VI compounds as isoelectronic counterparts to layered group V semiconductors. Using ab initio density functional theory, we study yet unrealized structural phases of silicon monosulfide (SiS…
Sintesis ZSM-5 berbahan dasar kaolin Bangka sebagai sumber silika dan alumina dengan menggunakan TPABr sebagai templat organik telah dipelajari. ZSM-5 disintesis untuk membandingkan pengaruh waktu aging 6, 12, dan 24 jam menggunakan metode hidrotermal pada suhu 175°C dengan variasi waktu kristalisasi 12, 24, 36, dan 4…
We investigate the geometry of polycrystals, showing that for polycrystals formed of convex grains the interior grains are polyhedral, while for polycrystals with general grain geometry the set of triple points is small. Then we investigate possible martensitic morphologies resulting from intergrain contact. For cubic…
Segmentation improvements: Thresholding macros work better with 16 and 32-bit Wipe Background provides better feedback on the number of filtered particles. Prompt now features built-in help with description of filtering ranges Strahler Analysis improvements: Strategy has been re-written to address issues #11 and #12,…
The plasmodium of Physarum polycephalum has been used to solve graphically represented puzzles and mimic the development of different types of networks in laboratory experiments. Thus, it can be characterized as a biological computing device. Although this non-silicon computer is mainly using input data solely coded a…