Materials Literature
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Microalloyed steels for forging applications have been newly developed in order to increase strength and toughness properties which thereby give the possibility for light weight constructions.The properties of these steels are set up by a controlled cooling directly from the forging heat without an additional heat tre…
The transport properties of interface between metal electrode and Nd0.7Sr0.3MnO3 bulk have been investigated under 2-wire measuring mode using permeating Ag and Ag-glue contact, respectively. The results show that, for the permeating Ag contact, the measured results are similar to that of 4-wire measurement, and an oh…
Institute of Electrical Engineering Fundamentals Wroclaw University of Technology Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland, ryszard.kacprzyk@pwr.wroc.pl Abstract A lot of standards describe resistance and resistivity measurement methods appropriate for a particular material or product. In the case of textile mate…
The aim of the paper is to present a new prospective method for on-line monitoring of partial discharge (PD) in large AC motors. The principle of this system consists to measure the weak magnetic high frequency field, due to PD, in the space between the magnetic core and the machine external frame of large generators.…
The results of a two-dimensional modeling of the microstructure formation in an eutectic ductile cast iron are presented. The cellular automaton model (CA) was used for the simulation. The model takes into account the nucleation of two kinds of grains that appear inside of the liquid during solidification: austenite a…
在 ZL114A ( Al-7Si )演员组合金的最容易溶解的 Si 的现在的工作，微观结构上的踪迹元素 Sr 的效果，张力的性质，金属断面的显微镜观察和形态学， investigated.The 被扔 ZL114A 铝合金用一个金属模子被准备，然后与 T6 technique.The 测试对待的热修正元素 Sr 能显著地改进的机械性质表演结果增加 0.04Sr 的 ZL114A-T6 铝 alloy.By 的最终的张力的力量，延伸和坚硬，价值
Appropriate base oils and homologous additives such as extreme pressure and anti-wear agents, oiliness agents and antioxidants were selected, and experiments testing the compatibility performance between additive, base oil and other components were carried out to develop the SK and SD series of rolling oils for cold r…
Transverse cracking is a prevalent problem that occurs in asphalt pavement binders in cold climates and diminishes the integrity of the road as well as shortens the life span of the road leading to premature failure. Current specification for testing asphalt pavement binders for transverse cracking fails to accurately…
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The ODS ferritic steel powder with chemical composition of Fe-14Cr-2W-0.3Ti-0.3Y2O3 was mechanically alloyed (MA) either from elemental or pre-alloyed powders in a planetary ball mill. Different milling parameters have been used to investigate their influence on the morphology and microstructure of the ODS ferritic st…
Block and random copolymers based on poly(octadecyl acrylate) (PODA) and polydimethylsiloxane (PDMS) have been synthesized and characterized. With increased PDMS content, the flexibility of the polymers increases, though they continue to exhibit a sharp melting point due to the presence of the PODA segment.
The current design methodology for concrete highway railings uses a yield line analysis procedure developed for Texas Department of Transportation (TxDOT) in the late 70’s by T. J. Hirsch of the Texas Transportation Institute. Review of various concrete bridge railings subjected to full-scale crash tests and field imp…
The purpose of this work is to evaluate the most appropriate way of recycling silicon kerf obtained during diamond wire slicing of silicon. Compared to prior art, our work consists in finding the best combination of silicon purification and cost of ownership for the recycling process, not necessarily to obtain the mos…
Confocal micro X-ray fluorescence (confocal MXRF) is continuing to be explored as a method for characterizing copper and argon doped sputtered beryllium capsules. Previously demonstrated was the utility of confocal MXRF in both the two- and three-dimensional modes and overlaying the data with X-ray micro computed tomo…
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Recently, two spectroradiometers from EKO have been added to the instrumentation available \nat the ESTER outdoor station of the University of Rome Tor Vergata, with the aim to \ncharacterize the spectral irradiance at the site and evaluate its influence on the performances of \nphotovoltaic modules, especially thin f…
We successfully demonstrated pattern formation of 60 nm gold nanoparticles using a highly productive combined technique of particle self-assembly and subsequent assembled particle pattern transfers. Dot and line patterns of nanoparticles were fabricated on a template substrate (SiO 2 /Si) utilizing template-assisted s…
The inactivation of Bacillus atrophaeus spores by a dielectric barrier discharge (DBD) plasma in atmospheric humid air was investigated in order to develop a low-temperature, low-cost, and high-speed plasma sterilization technique. The biological indicators covered with a Tyvek sheet were set just outside the DBD plas…
CaGa 2 S 4 :Ce crystallites were synthesized by the mechanochemical reaction of CaS, Ga 2 S 3 , and Ce 2 S 3 source powders. The growth process was studied by observing X-ray diffraction (XRD) patterns and Raman scattering spectra of the synthesized powder as a parameter of reaction time. Ce doping of CaGa 2 S 4 was s…
Various experimental methods (XRD, FTIR, SAXS, DLS and SEM) were used to investigate structures of the silk samples weaved by spiders in Turkey. Silk samples were collected from the natural habitats belonging to the spider species (i.e., Near Salt Lake/şereflikoçhisar, İvriz Dam/Ereǧli-Konya, Karataş Lake/Burdur and s…