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Microstructure and Properties of 3.5 vol.% TiBw/Ti6Al4V Composite Tubes Fabricated by Hot-hydrostatic Extrusion

Wencong、Zhang Zhang、Xueyan 等 9 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

一些 3.5vol .% TiB 络腮胡子增强了 Ti6Al4V 矩阵 composites (TiBw/Ti6Al4V ) 被一个二拍子的圆舞成功地制作热静水力学的挤出过程:在 1100 °C 的挤出并且在附近随后 -- 在 950 °C 的挤出。试管的尺寸在厚度关于在直径和 2mm 的 7mm。在 Ti6Al4V 矩阵的精制篮子编织结构在挤出过程以后在周围的温度被完成。而且, TiB 络腮胡子形成的原来的网络结构综合了被打破,当 TiB 络腮胡子优先地在渗出的方向被排列时。同时,一块含纤维的质地最后被发展,源于在挤出和阶段在期间的参与期间的部分动态再结晶近 -- 挤出。张力、压缩的测试结果证明试管的力量和韧性显著地被改进。特别…

Metal and Thin Film MechanicsAdditive Manufacturing and 3D Printing TechnologiesTitanium Alloys Microstructure and Properties

Low temperature solid-state synthesis and characterization of uniform YF3 submicroparticles

Hao、Fang、Hua-Lan 等 12 位作者2014-01-01稀有金属:英文版

In this paper, submicro-scaled YF3 particles with uniform rice-like morphologies were facilely synthesized by reacting yttrium nitrate with tetrabutylammonium fluoride via a solid-state reaction process at 50 °C for 12 h.The phase confirmation and morphology of the as-prepared YF3 particles were investigated by X-ray…

Luminescence Properties of Advanced MaterialsSilicone and Siloxane ChemistryInorganic Fluorides and Related Compounds

Synthesis and properties of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/chitin nanocrystals composite scaffolds for tissue engineering

Huyan、Li、He 等 11 位作者2014-01-01中国化学快报:英文版

Poly (3-hydroxybutyrate-co-3-hydroxyvalerate )(PHBV )/chitin nanocrystals (计算机数值控制) 合成脚手架被沥滤的盐综合并且热地导致了阶段分离(尖端) 技术。脚手架与宏毛孔有多孔的结构(100 –300 在直径的 m ) 并且微毛孔(10   m ) 。脚手架的表面特征被 X 光检查光电子光谱学(XPS ) 和静态的水接触角度测量描绘,并且机械性质被压缩测试调查。人的脂肪质导出干细胞(hADSCs ) 被播种到 PHBV/CNC 脚手架上,在 vitro,房间文化结果证明合成脚手架提高了 hADSCs 粘附,它暗示材料可以在织物工程有潜在的…

Bone Tissue Engineering Materialsbiodegradable polymer synthesis and propertiesElectrospun Nanofibers in Biomedical Applications

SCC investigation of low alloy ultra-high strength steel 30CrMnSiNi2A in 3.5wt% NaCl solution by slow strain rate technique

Liu、Jianhua、Guo 等 8 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

To evaluate stress corrosion cracking(SCC) mechanism of low alloy ultra-high strength steel 30CrMnSiNi2 A in environment containing NaCl, SCC behavior of the steel in 3.5wt% NaCl solution is investigated by slow strain rate technique(SSRT) with various strain rates and applied potentials, surface analysis technique, a…

Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsNon-Destructive Testing Techniques

Material and mechanical factors: new strategy in cellular neurogenesis

Hillary、Stoll、Keun 等 7 位作者2014-01-01中国神经再生研究:英文版

Since damaged neural circuits are not generally self-recovered,developing methods to stimulate neurogenesis is critically required.Most studies have examined the effects of soluble pharmacological factors on the cellular neurogenesis.On the other hand,it is now recognized that the other extracellular factors,including…

Bone Tissue Engineering MaterialsElectrospun Nanofibers in Biomedical ApplicationsAdvanced Materials and Mechanics

Effect of OMMT on Morphology and Property of PTT/ASA Blends

Chen Ju2014-01-01Cailiao yanjiu xuebao

Nanocomposites of poly(trimethylene-terephthalate)/poly(acrylonitrile-styrene-acrylate)/organic montmorillonite(PTT/ASA/OMMT) were prepared by means of melt-blending intercalation. The effect of OMMT contents on the phase morphology, crystallization behavior, rheological- and mechanicalproperties were investigated. Th…

Polymer crystallization and propertiesPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties

Electroless Plating and Magnetic Properties of Tb-Fe-Co-B Alloy at Room Temperature

Zhao Mei-fen2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

The Tb-Fe-Co-B thin films were prepared through a non-aqueous electroless plating method at room temperature. The structures and magnetic properties of Sm-Fe-Ni-B alloys were characterized using SEM,EDS,XRD and VSM analyses. The results indicated that the coating was smooth. The density,deposition rate were improved w…

Metallic Glasses and Amorphous AlloysMagnetic Properties of AlloysMetallurgical and Alloy Processes

Production of hydrogen-rich gas and multi-walled carbon nanotubes from ethanol decomposition over molybdenum modified Ni/MgO catalysts

Ruihao、Chen、Yinzhi 等 9 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

A series of molybdenum modified Ni/MgO catalysts(Ni-Mo/MgO) with different loading ratios of Ni : Mo were prepared by impregnation method. Ethanol decomposition to co-produce multi-walled carbon nanotubes and hydrogen-rich gas at temperatures of 600–800 ℃ was investigated over the synthesized Ni-Mo/MgO catalysts. The…

Catalytic Processes in Materials ScienceCatalysts for Methane ReformingHydrogen Storage and Materials

FEM Simulation of the Hydrogen Diffusion in X80 Pipeline Steel During Stacking for Slow Cooling

Zhen-yi、Huang、Qi Qi 等 7 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

在 X80 管道钢的氢散开行为上的温度的影响在叠期间在这管道钢用电气化学的穿入方法,温度地和氢散开在为慢冷却叠期间被学习因为慢冷却被 ABAQUS 有限元素方法模仿(女性) 软件。结果证明在这个过程,在氢散开系数和温度的自然对数之间有一种相互的关系。冷却的率随钢板厚度的增加逐渐地减少。氢内容在高温度是更高的(500400 ??????? x

Microstructure and Mechanical Properties of SteelsHydrogen embrittlement and corrosion behaviors in metalsMetal Alloys Wear and Properties

Effects of Yttrium Ion on Formation Mechanism of ZrO2-Y2O3 Ceramic Coatings Formed by Plasma Electrolytic Oxidation on Al-12Si Alloy

Wang Man Ping、Li、Jianping 等 9 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

2 -Y 2 O 3 陶器的涂层被血浆生产 ZAlSil 上的电解氧化( PEO ) 2 Cu 3 Ni 2 合金。涂层的微观结构和阶段作文被 SEM 和 XRD 调查。结果显示出那补充说钇离子的适当数量能在不同氧化阶段和减少弧电压改进陶器的涂层的成长的率。 ZrO 的厚度 2 -Y 2 O 3 涂层是比 ZrO 的厚的 16 m 氧化率改进的 2 涂层和最大值由 0.6 m/min 。另外,弧电压从 227 ~ 172 V 减少。氧化的率第一增加到某程度然后与钇离子增加的内容减少,这能被看见。当钇离子的内容是 0.05 g 时,生长率到达最大值

Advanced ceramic materials synthesisMagnesium Alloys: Properties and ApplicationsAluminum Alloys Composites Properties

Contents lists available at ScienceDirect

Herzl Chai2014-01-01OpenAlex

The mechanical properties of tooth enamel generally exhibit large variations, which reflect its structural and material complexity. Some key properties were evaluated under localized contact, simulating actual functioning conditions. Prominent cusps of extracted human molar teeth were polished down � 0.7 mm below the…

Bone Tissue Engineering MaterialsDental materials and restorationsCalcium Carbonate Crystallization and Inhibition

A comparative study of 3Φ SAPF with Different reference current generation

A. Jeraldine、viji、T. Aruldoss 等 4 位作者2014-01-01OpenAlex

In this paper three phase shunt active filter (SAF) with a control algorithm of unit vector template method is compared with power synchronous detection for reference current generation. For gate pulse generation modulated hysteresis current controller is used. The capacitor voltage is maintained constant by using PI…

Microgrid Control and OptimizationPower Quality and HarmonicsMagnetic Properties and Applications

Synthesis and Performance of a Novel Aromatic Amine Curing Agent for Epoxy Resin

Xiong Xuha2014-01-01OpenAlex

A new curing agent(PBMI-DDE) for epoxy resin was synthesized from phthalide-containing bismaleimide(PBMI) and aromatic amine(DDE) according to the Michael addition reaction. The chemical structure of PBMI-DDE was characterized by1 H NMR spectroscopy and Fourier transform infrared spectroscopy(FTIR). The curing perform…

Epoxy Resin Curing ProcessesSynthesis and properties of polymersPhotopolymerization techniques and applications

TEMPERATURE SENSITIVITY AND PREDICTION OF THE MECHANICAL BEHAVIORS OF ULTRAFINE GRAINED ALUMINUM UNDER UNIAXIAL COMPRESSION

Quanwei、Zhan Zhan、Tao - 等 10 位作者2014-01-01固体力学学报:英文版

In the present work, we explore the strain hardening behaviors as well as the effect of temperature on the plastic deformation of ultrafine grained aluminum. The temperature sensitivity is determined and compared with that of coarse grained material. The results indicate that the flow stress of ultrafine grained alumi…

Microstructure and mechanical propertiesMetal Forming Simulation TechniquesHigh-Velocity Impact and Material Behavior

Different effects of substrates on the morphologies of single-walled carbon nanotubes

Li、Tao -、Gäng 等 8 位作者2014-01-01中国科学通报:英文版

和金属被扫描电子显微镜学,原子力量光谱学和拉曼光谱学描绘。在低传导性的底层趋势上扔了弯了形态学,被发现那 SWNT,他们中的一些形成戒指,当在金属底层上扔的 SWNT 仍然保持直、面向时。这些效果的机制也与热传导性和精力驱散的原则有关仔细被讨论,它是。

Carbon Nanotubes in CompositesGraphene research and applicationsNanopore and Nanochannel Transport Studies

Investigation of thermoelectric SiC ceramics for energy harvesting applications on supersonic vehicles leading–edges

Xiao-Yi HANa、Jun WANGa、Hai-Feng CHENGa2014-01-01OpenAlex

Utilizing thermoelectric technology to aerodynamic heat harvesting on the leading-edge is worth noticing in the thermal protection systems. In this paper, a nose-tip model in a supersonic flow field is developed to predict the thermoelectric performance of SiC ceramics structures. The generation performance is numeric…

Heat Transfer and OptimizationThermal properties of materialsThermal Radiation and Cooling Technologies

Transformation behaviors and superelasticity of Ti50Ni48Fe2 shape memory alloy subjected to cold-rolling and subsequent annealing

Xiaobo、Yuan、Chen 等 9 位作者2014-01-01稀有金属:英文版

Ti 的 SIM ) 50 Ni 48 Fe 2 合金减少与温度由再结晶由于脱臼密度的减少引起了的退火的增加。作为结果, SIM 减少。在之上一在 623 点冷滚动、退火?为 30 的 K ? min , Ti 50 Ni 48 Fe 2 合金与 5.8 的最大的可重获的紧张展出优秀 superelasticity ?在 7 的装载紧张的%?%。在如此的一个盒子中, 5 的完全的 superelasticity ?%能在 Ti 被获得 50 Ni 48 Fe 在变丑增加到 15 以后的 2 合金骑车。

Shape Memory Alloy Transformations

Synthesis of vinylferrocene and the ligand-exchange reaction between its copolymer and carbon nanotubes

Shi、Hai Hai、Wang 等 6 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

, 1.69 和 17.6% 分别地。共聚物的 grafting 的度从 thermogravimetric 分析被计算到 CNT 表面上并且从 27.1% ~ 79.7% 变化了。增加(Vf-co-St ) 极大地 poly 在无水的酒精支持了修改 CNT 的可分散性。从聚合物接枝 CNT 和共聚物准备的 composites 的电的传导性(丙烯腈, 1,3 丁二烯和苯乙烯, ABS ) 强烈取决于 grafting 的度。这些结果证明聚合物 grafted 的数量能被控制到 CNT 的表面上并且与这些 grafted 聚合物准备的 composites 的电的性质能被调节。

Fuel Cells and Related MaterialsConducting polymers and applicationsMolecular Junctions and Nanostructures

Magnetism and Sound Velocities of Iron Carbide (Fe3C) under Pressure

Zhao-Yi、Zeng、Cui'e 等 8 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

有弹性的性质和在高压力下面的 Fe3C 的健全速度被在密度功能的理论以内使用极化纺纱的概括坡度近似调查。磁性的阶段从地面转移,这被发现铁磁性(FM ) 说到无磁性(NM ) 状态发生在 73 GPa。基于 Fe3C 的预言的 Hugoniot,我们从有弹性的常数计算 FM-Fe3C 和 NM-Fe3C 的健全速度。与纯铁相比, NM-Fe3C 提供更好的匹配有压缩性并且砍有内部核心的地震数据的健全速度,在内部核心作为轻元素之一支持碳。

Microstructure and Mechanical Properties of SteelsMagnetic Properties and ApplicationsElectromagnetic Effects on Materials

Pseudo-Bonding Interaction between Boron-doped Heterofullerene and Zinc Porphine Predicted by DFT Calculation

Junying、Weng、Tingting 等 6 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

在做硼的 heterofullerene (C59B ) 和锌 porphine (ZnP ) 之间形成的超分子的建筑群上的理论学习,也就是 C59B-ZnP 和它的阴离子种类 C59B-ZnP,被密度执行在 wB97XD/6-31G (d) 的功能的理论计算水平。在卟啉和 heterofullerene 一半之间的强壮的相互作用基于几何学和电子结构分析为这些建筑群被预言。特别,伪 bonding 相互作用发生在 fullerene 的 B 原子和卟啉的 N 原子之间被预言发生在 C59B-ZnP 建筑群,但是在 C59B-ZnP 建筑群被打破。时间依赖者密度功能的理论计算在和 heterofullerene 的相互作用之上为 Z…

Carbon Nanotubes in CompositesMolecular Junctions and NanostructuresFullerene Chemistry and Applications