Materials Literature
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In this study, we discussed about the effect of film thickness on bending deformation of coated nanowire (NW). The three dimensional theoretical model for analyzing the effect was proposed in this paper. The dependence of the misfit strain on the film thickness was introduced in the model. We concluded that bending di…
Characteristic of nanowire is gradually attracting many researchers with potential applications of nano devices, nano sensors, solar sells and so on. This paper describes fabrication and evaluation of Cu nanowire surface fastener grown in porous aluminum. To fabricate nanowire surface fastener, at first anodic aluminu…
We examined ejecta size distribution when aluminum alloy 2017-T4 spheres with a diameter of 3.2 mm impacted aluminum alloy 6061-T6 targets with a plane surface and a curved surface at velocities of 4 km/s. We used a two-stage light-gas gun at the Institute of Space and Astronautical Science (ISAS)/Japan Aerospace Expl…
Direct internal reforming solid oxide fuel cell (DIR-SOFC) can keep the homogenous temperature distribution on the cell surface to control the heat generation by Joule heat and endothermic heat by hydrocarbon fuel reforming. However, reforming reaction is concentrated around the flow inlet side because the fuel is rap…
Spider silk has many potential biomedical uses. Currently, synthetic spider silk is produced in goat milk via the pBC1 expression system. The extraction process associated with these proteins is long and difficult and the yields are not optimal. The focus of this project is to create goats that produce higher yields o…
We report a broadband terahertz metamaterial absorber with two nested back-to-back split-ring resonators constituting a single planar resonator. Bandwidths of 0.66THz and 0.98THz with the absorptivity above 0.8 and 0.6 were experimentally obtained respectively. CLEO:2014 © 2014 OSA.
First-principles calculations were performed to understand the relationship between grain boundary energy and free volume in magnesium. A linear relationship between grain boundary energy and free volume was found not only in pure Mg grain boundaries, but also in segregated grain boundaries. This indicates that the fr…
In this paper, statistical distribution of tensile strength of poly-p-phenylene benzobisoxazole (PBO) fiber with kinking damage was investigated in monofilament tests. Kinking damages was created on surface of virgin fiber by winding bundle fibers to steel rod. Diameter of steel rod was set to 5, 2.5, 1.25 and 0.65 mm…
To clarify whether the nanoscale stress concentration dominated the fracture, we created titanium doglegged nanocolumns on a titanium thin film using dynamic oblique deposition. Two types of specimens were prepared: a forward specimen (loading to dogleg opening direction) and a reverse specimen (loading to dogleg clos…
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The general method is not always effective for the measurement of fatigue small crack growth properties by relation of accuracy and a device characteristic. Non-contact and the highly precise measurement are expected by the use of a magnetostriction effect to apply in this study. The small crack growth properties meas…
Kualitas semen gigi Zinc Oxide Eugenol-Ethoxy Benzoic Acid (ZOE-EBA) dapat ditingkatkan dengan penambahan Aluminium Oxide (Al2O3). Hal ini disebabkan sifat alumina yang mudah proses fabrikasinya, ketahanan terhadap korosi, ketahanan pemakaian, bioinert dan biokompatibel. Tujuan penambahan Aluminium Oxide (Al2O3) adala…
Aerosol deposition (AD) method is a novel deposition method. Various ceramics films can be formed on a substrate at room temperature by using AD method. Dielectric and mechanical properties of ceramics films such as PZT, BT and Al_2O_3 has been reported. However, formation of metal films by using this method has not b…
Damping properties of foamed plastics is analyzed experimentally using an impulse technique. To investigate the influence of expansion ratio on vibration damping characteristics, vibration tests are implemented. The damping capacities of foamed plastics are identified by the experimental result. These results show tha…
A large number of tiny particles hit the specimen to improve the mechanical properties of treated materials in Fine Particle Peening (FPP) process. The induced surface modification is influenced by many parameters such as material properties, particle size, particle amount, air pressure and so on. Especially, it is we…
Solid Oxide Fuel Cells (SOFC) can realize very high power generation efficiency to convert the chemical energy of H_2 directly into electrical energy. Achieving practical SOFCs will require more than just improvement in power generation performance; ensuring reliability and durability will also be crucial. So, in this…
Accurate diagnosis is imperative for success of root canal treatment. Currently employed vitality tests, in the true sense are termed as sensibility tests as they assess the response of the nerves of the pulp to a stimulus like heat or electric current. Assessment of pulp vitality should ideally be done based on evalu…
In this research, it was searched that magnetostrictive materials for sensors by using combinatorial method. Combinatorial method is the one of the useful method that could search for optical composition of alloy materials or novel alloy materials. In this method, samples having various compositions are synthesized on…
Pravilno izvedena tehnologija zaštite može se znatno produljiti vijek službe broda. Najraširenija metoda zaštite u brodogradnji su premazi. Zaštitni premazi se koriste za privremenu zaštitu limova prije obrade te za trajnu zaštitu od korozije i obraštanja sagrađene brodske konstrukcije. Nekvalitetni premazi ili njihov…
A new fabrication method for realizing ordered nanopillar array is developed. In this method, firstly, a nanodot array is fabricated by combination of Nano Plastic Forming (NPF) and thermal dewetting, which does not involve costly and complicated processes such as EB-lithography. Then the Au-capped nanopillar arrays a…