Materials Literature
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As current reactors approach the end of their operable lifetime, new reactors are needed if nuclear power is to continue being generated in the United States. Some utilities have already began construction on newer, more advanced LWR reactors, which use the same fuel as current reactors and have a similar but updated…
The internal oxidation depth of the self-healing agent by the oxygen diffusion in matrix was defined as the indicator to durability assessment for self-healing ceramics. Using the reported oxidation diffusion coefficient, The attainment depth of the oxygen ion by inner direction diffusion was evaluated. Furthermore, t…
Vertically aligned carbon-nanotube (CNT) film is expected as a superior low contact thermal resistance material. The microscopic deformation behavior of CNT in contact is clarified by previous study, but the difference in the deformation behavior when changing the length of CNT is not clarified. The vertically aligned…
The present paper investigates effect of line-beam irradiation on electrode films for micro solid oxide fuel cells in a process of green-tape laser sintering. The line-beam formed with a cylindrical lens was scanned in parallel to or in vertical to the long axis of the beam, having the advantages of a uniform sintered…
Bacterial Cellulose is the natural cellulose, characterized by a three-dimensional structure network of micro fibril. BC possesses an array of unique properties, including high crystallinity, high tensile strength, therefore BC have been an interesting topic in the field of research and development. In this paper, the…
パワーデバイスで問題となる異種材界面はく離に対して,温度サイクル試験環境を想定したせん断の破壊モードに対応するはく離評価法を提案し,パワーデバイスに用いられる高耐熱封止樹脂のはく離強度評価を検討した.
In this master of thesis study, WO3 thin films were prepared by reactive RF magnetron sputtering method and the effects of the film deposition parameters on the optical, structural and electrochromic properties of the films were investigated. Thin film properties depend on the deposition parameters such as total press…
Wettability behavior of drop弖 ets on i 蹴
The SMC belt composed of two kinds of SMAs with different phase transformation temperatures and SMP was fabricated and the three-way (reciprocating) movement and recovery force in bending actuation were investigated. The results obtained can be summarized as follows. (1) The three-way bending movement was achived duri…
Graphene has exhibited great potential for the application of next-generation electronic devices. However, undesirable interface stress induced during graphene transfer and device fabrication process causes the deformation of graphene, resulting in the change in its electronic properties. In this study, the effect of…
Fukushima Daiichi NPP accident would be terminated, if sufficient accident countermeasures, such as water proof door, mobile power, etc. In case of Europe, it had already recommended to install core catcher from the lessons of Chernobyl Accidents. In this paper we introduce simplified core catch by using core catcher…
The Nano Indentation has measurement error which caused by the Pile-Up and the Sink-In. Because it is difficult to interpret the existence of the Pile-Up and the Sink-In using the Nano Indentation test results. Recently, it is possible to observe the Pile-Up and the Sink-In using simultaneous measurement the Nano inde…
The analysis is made of meta and chemical properties of elements as a result of which metals were chosen conforming to necessary requirements formation of inter-metallic compounds with arsenic. The results of this analysis were confirmed by experiments on arsenic removal in iron-carbon melts
Dermatopathologists need more reliable tools for analyzing biopsies of lesions that are potentially melanomas and determining the best treatment plan for the patient. Previously inaccessible, the chemical and physical properties of melanin provide insight into melanoma biochemistry. Two-color, near-infrared pump-probe…
This paper describes dynamic self-assembly of hydrogel microparticles that can encapsulate various materials. Using a centrifuge-based microfluidic device, we fabricated multi-compartmentalized hydrogel microparticles that encapsulated magnet-responsive colloid particles in one compartment. The hydrogel microparticles…
The deformation twinning is an important deformation mechanism of magnesium and other HCP metals. This paper provides a framework of crystal plasticity model involving the effect of deformation twinning of HCP metals. The lattice rotation due to the deformation twinning is introduced into a conventional crystal plasti…
Heat recovery from flue gas is very effective in order to economize fossil fuel consumption, and results in the reduction of CO_2 emission. However, the temperature of flue gas decreased with increasing the amount of recovery heat. It seems that the decrease of temperature causes formation of secondary condensed parti…
Repeatable healing function of damaged materials is one of the promising topics in self-healing materials. As a solution of this challenge, we previously proposed the introduction of holes as stress-activated micro-channels on the surface of microcapsules as self-healing medium. Here, these micro-channels must be open…
Barkhausen Noise (BHN) Method can estimate stress of steel as a nondestructive testing. In this study, BHN probe with the 3 pole magnetization was manufactured. By using the BHN probe with the 3 pole magnetization, a rotating magnetic field was successfully formed. Moreover, the BHN measurement with grain-oriented ele…
Metal assisted etching (MacEtch) can produce high-aspect ratio nano-structure on a silicon wafer by selective and anisotropic etching with the help of catalyst of noble metal. This paper introduces a hierarchical structuring process which integrates MacEtch with deposited silver nano-particles and micro-structuring of…