Materials Literature
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Baja Hadfield memiliki sifat ketangguhan, keuletan, ketahanan impak, ketahanan terhadap aus dan memiliki work hardening yang sangat baik. Memiliki kandungan unsur karbon 1-1,4% dan mangan 11-14% berat, rasio kurang lebih 1:10. Potensi peningkatan kekuatan terhadap pengerasan regangan, dapat dilihat dari rentang kekuat…
Supercapacitors are most interesting in the area of rechargeable battery based energy storage because they offer an unbeatable power density, quick charge/discharge rates and prolonged lifetimes in comparison to batteries. The book covers inorganic, organic and gel-polymer electrolytes, electrodes and separators used…
Pseudocapacitors P.M. Anjana and R.B. Rakhi Supercapacitors are expected to be the integral parts of power devices in a broad range of future applications. Supercapacitors must deliver high energy and power densities, safe mode of operation, and long cycle life, for their widespread practical applications. A meaningfu…
In the industrial manufacturing of metals, the achievement of products featuring desired characteristics always requires the control of process parameters in order to obtain a suitable microstructure. The strict relationship among process parameters, microstructure, and mechanical properties is a matter of interest in…
Low acidity catalytic formulations were prepared incorporating MgO and Li2O to the conventional CoMoW / Al2O3 catalysts. The CoMoW active phases were impregnates using an ammoniacal solution containing the metallic complexes as citrates. A high dispersion of the Co, Mo and W species in octahedral coordination, inhibit…
Double-perovskite structured multiferroic Bi2FeMnO6 (BFMO) ceramics synthesized via solid-state reaction route at 880 o C for 3 h, crystallized in a distorted rhombohedral structure with R3c space group. Their lattice parameters in the hexagonal system were determined to be a = 5.571 Å and c = 13.191 Å. SEM images sho…
Novel Bimetal Oxides/Sulfides Composites Electrodes for Electrochemical Supercapacitors Shuhua Liu, Zongyu Huang and Xiang Qi Supercapacitors (SCs) possess a bright future because of their high power supply and superior stability. Pseudocapacitive oxides of transition metals (NiCo2O4, FeCo2O4, Zn2SnO4 etc.) have been…
Redox Electrolytes/Mediators for Supercapacitors X. Zhou, Y. Wang, C. Zhang, and X. Qiao This chapter is intended to summarize research progress of relatively new supercapacitors, redox electrolyte/mediator supercapacitors using other types of supercapacitors as references. The chapter will articulate the most importa…
Hybridized Reinforcement of Natural Rubber/Styrene ButadieneRubber (NR/SBR) Blend with Treated Bis (3–Triethoxysilylpropyl) Tetrasulfide(Si 69)–Hybrid Carbon Black/Nanocalcium Carbonate Filler: Mooney Viscosity, Crosslink Density and Cure Characteristic
The energy values have been calculated by the density functional theory with the exchange-correlation functional B3LYP, the basic set 6-31G(d,p) and Grimme dispersion corrections of covalent bonds in a free molecule of dioligomer ε−aminocaproic acid (ACA) and when it is part of an intermolecular complex with a graphen…
Based on the combination of the vacuuming and high-speed thermal heating, the scientific and technical development of the high-performance thermo-vacuum method, which is an environmentally friendly process, was carried out with the continuous production of nanodispersed carbon. An analysis of the physical processes th…
A systematic computational calculation based on the state-of-the-art quantum mechanics mothed was carried out to study the response of mechanical properties to various strains exerted on graphene, SiC sheet, and recently predicted two-dimensional (2D) sandwiched GaP and InP binary compounds. It was found that these 2D…
SiO2 nanoparticle is a versatile material with diverse technological applications. However, the cost associated with the production from chemical and biological source is high and the quantity or yield produced is often small which cannot adequately meet the increasing demands of the population. Thus, there is need to…
In review, deals with the theory of exciton quasimolecules in a nanoheterostructures. It has been found that the formation of a exciton quasimolecule in a nanoheterostructures made up of aluminum oxide quantum dots synthesized in a dielectric matrix is of threshold character and can occur in a nanosystem where the dis…
BARCELONA—Mutations to the proto-oncogene KRAS are drivers in a number of malignancies. The KRASG12C mutation, in which the glycine present as the 12th residue in the wild-type protein is replaced by a cysteine, is present in roughly 13 percent of lung cancers, 3 percent of colorectal cancers, and 1-3 percent of other…
Sodyum silikoflorür, Na 2 SiF 6 'nın kimyasal formülü ile son zamanlarda seramik, metalurji ve kimya mühendisliği gibi çeşitli endüstrilerde birçok uygulama alanı bulan inorganik sentetik bir malzemedir. Bu tozun en önemli kullanımlarından bazıları opal cam-seramik, sırlar ve fritlerdir. Uygulama alanlarının gün geçti…
Background: Conventional therapeutic approaches for ischemic heart disease have limited benefit in preventing post-ischemic heart failure. Therefore, stem cell therapy emerges as a hopeful tool for treatment of ischemic heart disease following myocardial infarction.Aim: To standardize a protocol ensuring the best diff…
Gel Polymer Electrolytes for Supercapacitor Applications K.K. Purushothaman, B. Saravanakumar, S. Vadivel, N. Krishna Chandar, Mohd Imran Ahamed Flexible supercapacitors are emerging as potential energy storage devices for advanced mobile electronic devices. The gel polymer electrolytes are considered as the potential…
Cast magnesium alloy AZ31 was processed by equal channel angular pressing (ECAP); 1-8 passes were applied using different processing routes A, BC and C. Samples were cut from the extruded billet in the extrusion, transversal and normal directions. Micro-tensile tests were performed at room temperature with an initial…
Shape memory polymer composite (SMPC) samples for long-term exposure in Space environment have been designed and tested. SMPC laminates consisted of two carbon fiber reinforced (CFR) plies and a SMP interlayer. Samples were manufactured by prepreg lamination and molding with subsequent thermomechanical processing for…