Materials Literature
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We investigated the effect of alloy composition on mechanical properties and formability of flame resistance magnesium cast alloys prepared by antigravity suction casting. It was well known that the combustion temperature of the Mg alloy is increased 200 K by the addition of 1 mass% of Ca. In addition, mechanical prop…
Overvakning av metaller och organiska miljogifter i limnisk biota, 2014 : Rapport nr 11:2014
The high-speed observation of dimethyl ether (DME) combustion spray in constant volume vessel was conducted under engine-like high-pressure and high-temperature condition. DME spray model coupled with oxidation reaction model was improved on the basis of the experimental results. Using the improved spray model, the ef…
The Japan Soclety of Mechanlcal Englneers
Ahlborn, Marieke; Haberzettl, Torsten; Wang, Junbo; Alivernini, Mauro; Schlütz, Frank; Schwarz, Anja; Su, Youliang; Frenzel, Peter; Daut, Gerhard; Zhu, Liping; Mäusbacher, Roland (2014): XRF data of sediment core TTl12-3 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.870569, In supplement to: Ahlborn, M et al. (2…
"Plasma Tube" has been proposed for nano particle transportation with particle surface purification in this study. The well-controlled efficient particle transportation is realized by combining plasma actuator effect, electrostatic force and high oxidation potential of produced ozone. Particles in the plasma tube can…
Due to their high specific surface area and measurable change in conductance according to the chemical environment changes, carbon nanotubes (CNTs) have been proved to be an ideal material for next generation of gas sensor. Besides, with the successful synthesis of spinnable CNT array, mass production of CNT sheet bas…
In this paper, we examined the friction properties of the nanostripe structures consisted of soft and hard metals under dry condition. The nanostripe structure consists of Ag as soft metal and Cr as hard metal. We measured the friction force between Ag-Cr nanostripe structure and six counterparts (Mo, Ni, Ti, Si_3N_4,…
In this study, elastic-viscoplastic properties of plain-woven laminates with various combinations of fiber/matrix materials are analyzed using a triple-scale homogenization analysis method to investigate how the combinations affect the properties of laminates. For this, first, the analysis models in macro-, meso- and…
Creep constitutive equation is needed to conduct damage evaluation for welded part in a high temperature component. However uniaxial creep test has been done to identify some parameter included in the constitutive equation, the typical testing method cannot be applied to the local region in the HAZ. The purpose of thi…
Two-dimensional numerical simulation was conducted for an anode-supported direct-internal-reforming planar solid oxide fuel cell. The microstructure parameters of the porous electrodes were taken from real SOFC electrodes through FIB-SEM quantification and applied to the simulations. The microstructure data sets were…
Bio-adhesives are a promising material, as they have a low immunity response and are biodegradable. These adhesives have many applications, including medical emergency responses in military and civilian situations. Spider silk is an excellent material with many applications because of its exceptional mechanical proper…
Mathematical model of interconnecting piercing machine executive device with ground massif was submitted. It’s shown that modeling is topical scientific-technical problem. Solving that problem will allow to increase technical level of developed machines for pipe driving.
本報では,微細加工されるMEMSデバイスやその製造プロセスの他,砂岩等地質環境などで見られる,凹凸構造を持つ固体表面上に付着する気泡・液滴挙動の予測のため,フェーズフィールドモデルに基づく二相流体力学数値解析法の適用性を検討する.
This paper describes development of regenerative medical system using microcapsules including gas by shock waves. Special polymer microcapsules were made, their structure is composed gas, liquid and membrane. To observe deformation process and disintegration of microcapsule, the pressure waves generated by piezoelectr…
A bi-modal porous ceramics with cylindrical pores and communicated pores were fabricated through unidirectional solidification of water slurry containing CO_2 gas. The cylindrical pores were formed during the unidirectional solidification under reduced pressure and a composite of ice and ceramics powder was obtained.…
A ball indenter was impressed on low index planes in pure Mg, Mg-0.5at%Zn alloy, Mg-0.5at%Al alloy, Mg-0.5at.%Y alloy, Mg-0.9at.%Y alloy single crystals and pure Zn single crystals, and the formations of the indentations were investigated. In pure Mg and Mg alloy single crystals, indentation forms isotropic round shap…
Ultra-High Molecular Weight Polyethylene (UHMWPE) is widely used as a bearing material in artificial joints. However, UHMWPE wear particles are considered to be a major factor in long-term osteolysis and loosening of implants. Many researchers have reported that the volume and size of particles were critical factors i…
近年、フィラー充填ゴムにおける粗視化分子動力学法(粗視化MD)を用いたシミュレーションが注目されている。粗視化MDを用いることで、応力-歪み曲線等も求めることができる。しかしながら、粗視化MDでは、フィラー自体もポリマー鎖も双方とも粒子で表しており、原理的には全ての粒子のダイナミクスを解析することで、ゴムの伸張時に分子鎖レベルで何が起こっているのかの解析が原理的には行えるはずである。本研究では、高分子鎖の解析に着目し、粗視化MDシミュレーションの結果の解析を行ったので、報告する。
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…