Materials Literature
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As limited results were reported in terms of the evolution of sliding friction with growth of oxide layer in thickness during running-in, a pin-on-disc wear test was carried out in this study. 4.8Ni-1.5Cr cast iron as core layer and low carbon steel as outer layers, were thermo-mechanically processed via three differe…
The table-top generation of high average power coherent soft x-ray radiation in a compact set up is of high interest for numerous applications. We have demonstrated the generation of bright soft x-ray laser pulses at 100 Hz repetition rate with record-high average power from compact plasma amplifiers excited by an ult…
Herein we report on the fabrication and the properties of two highly efficient blue light emitting multilayer polymer light emitting diodes (PLEDs). The first device structure combines a thermally stabilized polymer with a material processed from an orthogonal solvent, allowing for the fabrication of a triple layer st…
A series of novel thieno[3,2-c]pyridine-based RGBY phosphorescent Ir complexes have been synthesized and characterized. Solution-processable double-layered OLEDs fabricated with theses materials as the light-emitting layer exhibit high efficiencies. The monochromatic large-area of 40 x 83 mm2 Yellow and Green OLEDs ha…
Three new solution processable small molecular host materials based on bis-[3,5-di(9H-carbazol-9-yl)phenyl] structural moiety have been developed for blue phosphorescence (FIrpic dopant) organic light-emitting diodes. Whereas N,N-bis-[3,5-di(9H-carbazol-9-yl)phenyl]methylamine (CzPAMe) has the highest solid state trip…
Ductile Iron has been a great material in water carrying pipes, heavy duty parts of farm equipment and other heavy applications. This work looked into the corrosion rate of ductile iron in different environments of usage and storage for a period of six (6) months. The environments were outside air, air conditioned (A/…
Face milling is the most common milling operation and can be performed using a wide range of different tools. Tool life is an important indicator of the milling operation in manufacturing process. In high speed machining, there are two forms of security lapse including cutter body rupture and flying out to effect face…
This study presents a TFT structure which has less photo process and higher cost competitiveness in AMOLED display markets. A novel LTPS based 6 masks TFT structure for bottom emission AMOLED display is demonstrated in this paper. High field effect mobility (PMOS < 80 cm2/Vs ) and high reliability (PBTS △Vth< 0.02V @…
The dynamical correlation function, , of liquid germanium at 1500°C is obtained from the Fourier transform using experimental . The limiting value for time to zero of was compared with experimental . From this result, the validity of present is confirmed. From the result of , the value of correlation of located betwee…
With the development of the coating technology, coated tools have been widely used in processing industries. Thread turning is one of its applications. The performance of coated thread inserts varies with the change of coating material, coating thickness, matrix material and tool structure. Two tungsten-cobalt type al…
The transmittance curves describing effects important in the behavior of the diffracted fields generated by coherent illuminated. However, when it is performed a spatial transform on a transmittance curve, this can be done by tilting the screen, for example, the projection of a circle curve is an ellipse as result the…
The design engineer is daily confronted with the need for materials to meet design requirements of strength, stiffness, toughness, wear-resistance, corrosion-resistance, high-temperature operation and so on. Steel is the most versatile material and can be made into various forms, types or grades and possesses diverse…
Micro- and nanostructures enable specific optical functionalities, which rely on diffractive effects or effective medium features, depending on pattern dimension and wavelength. Performance predictions of optical systems which make use of nanostructured materials require having an accurate description of these materia…
Zeolites form a class of microporous aluminosilicates of great interest due to their multifarious applications in industry and everyday life. Their porous structure allows small molecules to be adsorbed and to diffuse inside crystals, and depending on the zeolite type and on the diffusant species a variety of behaviou…
This investigation attempts to improve the wear resistance of low chromium white cast iron (LCCI) by thermomechanical treatment. The thermomechanical treatment of the brittle LCCI with crack-free was successfully carried out by bonding it with a ductile low carbon steel firstly. Afterwards the dry sliding wear behavio…
理论预言，B—C—N化合物可能存在多种结构，并具有优良的物理性能，因此其合成研究引起了各国学者的关注。运用二级轻气炮冲击加载与样品回收技术，在40GPa压力附近探索了B—C—N化合物的新相合成条件。X射线衍射、高分辨率透射电镜、电子衍射、X射线光电子能谱等检测技术的分析结果表明，3种不同原子比例的B—C-N前驱物在40GPa的强冲击合成条件下，均能生成一种新的B-C—N致密新相单晶体，尺寸约为60nm。具有这种结构的B-C—N化合物在文献中未见报道。研究结果对进一步探索B-C—N新相的结构形态及其高温高压合成条件具有参考意义，也为理论工作者提供了一种新的B-C—N结构模型。
Abstract The atomic force microscope (AFM) has been shown to be an increasingly useful tool in the characterization of membrane surfaces, in the assessment of their fouling resistance, and for the understanding of the mechanisms of fouling by colloidal and biocolloidal materials. Used in conjunction with membrane modi…
Studies on preparation and characterization of TEMPOoxidized cellulose nanofibrils from non-wood resources (非木材資源からの TEMPO 酸化セルロースナノフィブリルの 調製と特性解析に関する研究
指導教員名 磯貝 明 論文題目 Studies on structures and properties of cellulose-based functional films prepared using aqueous alkali/urea systems (水系アルカリ-尿素系を用いて調製した機能性セルロース系 フィルムの構造と特性) High-performance films with high optical transparency, flexibility, thermal stability, mechanical strength, biodegradability, and gas barrier prop…
Lattice-matched heterovalent alloys and superlattices have some unique physical properties. For example, their band gap can change by a large amount without significant change in their lattice constants, thus they have great potential for optelectronic applications. Using first-principles total energy calculation and…