Materials Literature
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This paper focuses on the thermo-mechanical behaviors of a shape memory alloy (SMA) plate with a circular hole under biaxial uneven tension. The phase transformation behaviors of SMA under complex stress state are formulated based on the one-dimensional phase transformation model developed by Zhou and Yoon. The stress…
A new cosmetic series VIVCO was commercialized by utilizing the solid-in-oil (S/O®) technique for L-ascorbic acid phosphate magnesium salt (vitamin C derivative) and hyaluronic acid. In the S/O® technique, active ingredients are coated by hydrophobic surfactant molecules and the treatment changes their surface propert…
This dissertation presents physical modeling and numerically efficient analyses of the interaction between electromagnetic waves and clusters of metamaterials comprising of core-shell nano-particles and plasmonic nanorods. Chapter 1 is the introduction for this thesis. The main idea of chapter 2 is to design an array…
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Fabrication of samples showing plasmonic properties is fundamental for the realization of devices that can exhibit peculiar electromagnetic properties. Here we illustrate results of experiments performed on systems with Au nanoparticles embedded in flexible substrates.
Recently both, electrical and material properties of tantalum oxide (Ta2O5) have been found to be useful for microelectronics and optoelectronics devices. The need of higher permittivity of dielectric material attracts more attention towards the tantalum oxide thin films. To ensure good electrical performance of the r…
Plastics Engineering is the official publication of the Society of Plastics Engineers (SPE). We provide plastics professionals with a wealth of information about machinery, technological advances, materials innovations, sustainability, and more.
Covers advancements in spacecraft and tactical and strategic missile systems, including subsystem design and application, mission design and analysis, materials and structures, developments in space sciences, space processing and manufacturing, space operations, and applications of space technologies to other fields.
Plastics Engineering is the official publication of the Society of Plastics Engineers (SPE). We provide plastics professionals with a wealth of information about machinery, technological advances, materials innovations, sustainability, and more.
The petroleum ether, chloroform, ethyl acetate, n-hexane and aqueous successive extracts from the stems of Actinidia macrosperma C. F. Liang have been screened for antibacterial and antifungal activities in vitro using the disc diffusion method, minimum inhibitory concentration (MIC) and minimum bactericidal concentra…
The present paper presents an analysis of the influence of loading history on unstable fracture of austenitic steel 304 (SS 304) using the J-integral and its applicability in situations where a loading history exists. A CT specimen is employed for the purpose. The loading history effect on the unstable fracture of SS…
A total of 150 samples of Oreochromis niloticus were collected during summer season of 2011 from different intensive farms previously known be infected and treated by disinfectant at Kafr El-Sheikh, Governorate. The samples were assessed for the determination of malachite green residual levels in fresh, scalded (boile…
Professor Dr Vernes opened the discussion of the paper by Professor Martin: Commonly, chemical reactions in nanotribological systems cannot be accessed by classical MD simulations. Was only the mechanical dissociation of iron oxide particles investigated here? Professor Martin re
New nonlinear optical (NLO) active organic materials are appealing candidates for optoelectronic and photonic technologies. For the evaluation of new NLO polymer materials for applicability in the mentioned technologies, the most important criteria are their electro-optic (EO) coefficients. We have implemented the Mac…
This paper discusses the production of iron-based nanophase hardfaced coatings by means of common arc welding methods. The key is the exact, close-to-eutectic composition of the newly developed alloys. In combination with a precise control of the dilution of the base metal, this results in an eutectic composition of t…
Multi-walled carbon nanotubes (MWNTs) were coated first with methylene blue (MB) by noncovalent adsorption and then by horseradish peroxidase (HRP) and glucose oxidase (GOD) by covalent-linking. The MB-MWNTs/GOD/HRP composites formed stable films on screen-printed electrodes (SPE). The electrochemical and electrocatal…
Transverse free dynamics of a beam-like nanostructure with axial load is investigated. The effects of a small size at nano-scale unavailable in classical mechanics are presented. Explicit solutions for natural frequency, vibration mode and transverse displacement are obtained by separation of variables and multiple sc…
Significance and Use The absorption coefficient of polyolefin polymer pigmented with carbon black is useful to judge the degree and uniformity of dispersion of the pigment, and the adequacy of the quantitative level of pigment addition. These factors
This document aims at presenting and explaining the mechanism of a simple green process, called Graftfast©, recently developed in order to graft polymer films onto any type of materials. This process is of great interest as it works in a short one step reaction at room temperature, atmospheric pressure in water. Parti…
Among most used materials in implantology and the manufacture of surgical instruments, one finds the austenitic stainless steel AISI 316L, considered for its well adapted mechanical characteristics, its biocompatibility and in particular its resistance to uniform corrosion. The implants are often subjected to cyclic m…