Materials Literature
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In this article a comparative study of the behaviour of different commercial anti-graffiti on natural stone and brick is presented. 8 different European substrates were selected and 4 commercial anti-graffiti of different chemical nature were applied on these substrates. The variations of their hydric properties and a…
Despite the interest in identifying systemic effects caused by the metallic particles released from long term metallic implants in the body, few works support reliable conclusions about the effects of those particles in organs. The aim of the present work is to look for damages in tissues of liver, kidney, lung and he…
Equal participation of women and men in industrial research is still a major challenge for the European Union. In most European countries, female graduates proportionately outnumber male graduates. However, scientific research and technological development remain male-dominated, especially in industry. Construction is…
Titania nanofibers were successfully synthesized by sol-gel coating of electrospun polymer nanofibers followed by calcining to form either the pure anatase or rutile phases. Characterization of these materials was carried out using scanning electron microscopy (SEM), transmission electron microscopy (TEM), diffuse ref…
Fluorescent silica nanoparticles, Cornell dots (Cdots), were incorporated into electrospun celluloseacetate (CA) fibers. Two types of C dots were usedin this study. The first type was comprised of afluorescent dye-containing silica core surrounded bya silica shell. These nanoparticles fluoresce at 572nm when exposed t…
The variation of welding parameters such as weld geometry and post-weld heat treatment on the corrosion behaviour of austenitic stainless steel in a saline environment of 1.0 M NaCl was investigated in this work. Rods of austenitic stainless steel of known chemical composition were prepared and welded using electric a…
The utilization of nanostructured materials for development of biosensors is a growing field in medical diagnostics. In this work a glucose biosensor based on bioactive polyglycerol (PGLD) and chitosan dendrimers (CHD) was developed. PGLD and CHD were bioconjugated with the enzyme glucose oxidase (GOx) to obtain dendr…
Many statistical experimental designs are too costlyor require too much raw material to be feasible forlab-scale fiber spinning experiments. In this study afour-factor response surface design is presented tostudy the fiber spinning process in detail at the labscale. The time, cost, and amount of raw materialrequired t…
This research work describes a thermo mechanical investigation of a low alloy steel treated in the (α + γ) phase region. The aim is to develop a high tensile, ductile microstructure that could have a wide range of engineering applications. Recent advances in the area of precipitation, recrystallization mechanisms, and…
An evaluation was made of the abrasive wear of six composite thermofixed dental resins subjected to different polymerization times. The method of evaluation was based on sharpness measurements to quantify the abrasive wear resistance of the resins. To this end, a test bench was built, consisting of a rotating porcelai…
In this paper, we present a combined study of the length-change and tensile strength evolution of highand low-C3A Portland cements. This approach has proven useful to provide an assessment on the performance under severe and moderate sulfate attack. While higher expansion rates are observed in high-C3A samples, tensil…
Growing numbers of plants have sprung up in recent years to treat the electric arc furnace slag generated in scrap metal melting. When this by-product is separated, crushed and screened, it yields a granular material known as steel slag aggregate, which may be profitably used in the manufacture of commercial concrete.…
This study investigated the alteration of surface roughness of the nanofill composite Filtek Z350 3M/ESPE®, caused by simulated brushing associated with the use of mouthrinses with or without alcohol. Sixty specimens were prepared and distributed into six groups: distilled water, ethylic alcohol, Listerine® Vanilla Mi…