Materials Literature
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Zinc Oxide (ZnO) is a prominent photovoltaic material used as either buffer or window layers in Copper-Indium-Gallium-Sulfide (CIGS) or Cadmium-Telluride (CdTe) thin film solar cells. In this chapter, ZnO will be explored from the material point of view to the thin film growth and characterization, leading to applicat…
In der vorliegenden Arbeit wird eine empirische Untersuchung zum trockenen Trennschleifen von kohlenstofffaserverstärktem Kunststoff (CFK) vorgestellt. Im Mittelpunkt steht das Ermitteln der Zusammenhänge zwischen Prozessparametern und der Wärmeentstehung sowie resultierenden Temperaturen in der Schleifzone. Darüber h…
Biofuels are considered to be the most promising substitutes for the decarbonisation of the transport sector, especially heavy road and air transport. For this reason new and more sustainable drop-in biofuel alternatives are being pursued with the aim of overcoming the current challenges and limitations exhibited by 1…
The new findings in the behavior of geodesic acoustic modes (GAMs) and turbulent particle flux dynamics on the T-10 tokamak are presented. For the first time in T-10 the broadband oscillations (<250 kHz) of electric potential and density in Ohmic and ECRH regimes (Bt = 1.6…2.4 T, Ipl = 0.15…0.3 MA, n‾e = (0.6…5)×10¹⁹…
CoP is Modderite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Co3+ is bonded to six equivalent P3- atoms to form a mixture of distorted face, edge, and corner-sharing CoP6 octahedra. The corner-sharing octahedra tilt angles range from 47–59°. There are a spread…
Strong correlations and strong spin-orbit coupling are important areas of research in condensed matter physics with many open questions.Transition metal oxides provide a natural way to combine these strong correlations and strong spin-orbit coupling in electronic systems.Iridium compounds in the d 5 configuration (Ir…
3D printed dogbone samples were manufactured with ultrasonically assembled glass microfibre reinforcement, and subsequently loaded in tension to failure. The change in tensile modulus and ultimate tensile strength were determined with respect to the angle between fibre orientation and the loading axis.
Duplex stainless steel (DSS) usage in bridge construction has increased significantly in the last twenty years because of the material’s exceptional mechanical properties, good corrosion resistance, negligible need of maintenance and thereby low life cycle costs. Three suitable DSS grades used in bridge structures are…
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The results of experimental studies of soil properties in area that was contaminated following the disaster at drilling of the gas-bearing-well at oil and gas production facility are represented. The local population uses this soil for agricultural purposes. Conclusions on the impact of emergency on the state of soil,…
Two types of numerical simulations for the hydrodynamic solution of water entry problems are performed and systematically compared in order to highlight their peculiarities: a viscous Unsteady Reynolds Averaged Navier Stokes (URANS) based on Volume of Fluid (VoF) approach and a meshless Smooth Particle Hydrodynamics (…
Graphene nanostructures with defined edges are proposed as a promising platform for the realization of nano-electronics and spin-electronics. However, patterned graphene nanostructure can lead to extra damage and drastically reduce its charge carrier mobility due to the edge disorder. The high flexibility of a top-dow…
This paper concerns the fracture failure and bias tearing strength criterion for a PVDF coated bi-axial warp knitted fabrics (BWKFs) widely used in air supported membrane structures (ASMSs). Central slit tearing tests were carefully conducted on bias specimens with seven off-axis angles, and the corresponding tearing…
In this paper the mechanical properties degradation of aged coated fabrics is investigated. Tests on the tension strength and the tearing strength of the aged fabrics are carried out, which is from the membrane roof of Qingdao Stadium used for more than 13 years. The strength degradation degrees of the aged fabrics ar…
The potential of the modified bacterial cellulose (BC) nanofibers was determined bearing metal ion coordination interactions to enhance the protein adsorption and binding capacity. Thus, a household synthesized metal chelating monomer, namely N-methacryloyl-l-histidine methylester (MAH), and a commercial metal chelati…
One of the biggest motivations behind the development of the metal matrix composites (MMCs) is the improvement of the mechanical wear resistance of the unreinforced metallic matrix material mainly by the load-bearing effect of the hard reinforcement phases. However, in a large number of applications, MMCs are also req…
P-5 (5%Cr) steel is used in the construction of high temperature industrial equipment that works in the flue gas environment because of its high corrosion resistance. However, there are studies reporting higher oxidation rates of Cr containing steels in moist environments when compared to oxidation in air. In order to…
Araştırmada, çevreyle dost ahşap doğal boyası üretilmesi hedeflenmiştir. Çay boyası ISO 1574 -TS 1563 ‘göre hazırlanmış; ASTM D 1413-76 (1976)’na bağlı kalınarak emprenye muamelesi yapılmıştır. Bu amaçla sarıçam ve doğu kayını odununa doğal çay boyası/ su bazlı vernik uygulaması gerçekleştirilmiştir. Eğilme direnci ve…
Türkiye’de; ihracat rakamları, istihdam değerleri ve üretim miktarları açısından tekstil ve hazır giyim sektörü, en önemli sektörlerinden birisidir ve ihracat gelirlerinin yaklaşık olarak %22’sıni karşılamaktadır. Tekstil ve hazır giyim sektöründe yaklaşık 2 milyon kişi çalışmaktadır. Sektörün büyüklüğü ile paralel ol…
Magnesium (Mg) alloys have shown biodegradable properties that make them appealing for various biomedical applications.Mg corrodes gradually in the body and it has low density and modulus of elasticity, close to that of the bone.However, the fast rate of degradation and low strength are the main challenges that hinder…