Materials Literature
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On stereocouples of images of ductile fracture surfaces, obtained by scanning electron microscope, with usage of stereophotogrammetry algorithms, 3D-images of fracture surfaces have been reconstructed. This allowed accumulation representative results of fracture surface elements measurement that is important for elabo…
采用微波爆聚法，将镁铝摩尔比为3的硬脂酸根插层水滑石与甲基丙烯酸甲酯（MMA）单体快速聚合，借助红外光谱、X射线衍射、热分析和高分辨透射电镜等表征手段对其进行了表征。结果表明，制备得到的MgAl-硬脂酸根-LDH／聚甲基丙烯酸甲酯（PMMA）纳米复合材料快速实现了剥离的纳米水滑石片层均匀分散于PMMA基体中，与PMMA基体相容性较好，界面效应减弱，而且该材料热稳定性较纯PMMA有较大提高。
The results of the experimental study of mechanical properties high strength cast iron RF 60 on the basis of the study of the microstructure by quenching and subsequent vacation.
It is shown in the paper that significant temperature dependence of the NQR frequency 69Ga is observed in GaSe. It is described as linear with conversion transconductance of 1,54 kHz/deg for the temperature range of 250—390 K. The undoped crystal for thermometric substance is grown by Bridgman method and annealed in v…
This thesis deals with the synthesis and characterization of new ligands comprising group-16 element, mainly, sulfur and selenium derivatives and their complexation properties. Chapter 1 deals with the general introduction based on recent literatures. Chapter 2 deals with the synthesis of some azomethine diselenides a…
The results of defect healing in order to recover the metal continuity are received. It is stated that imposition on activated current area of the external magnetic field leads to healing of edge cracks.
A critical displacement of atom from its equilibrium position corresponding to inflection of curve potential is considered as its delocalization (local stimulation). The application of a model of delocalized atoms to plastic deformation of glassy materials is discussed. A linear correlation between yield limit and sof…
故障现象：一台海信LED42K01P电源板损坏，检查发现开关变压器T803（BK-10-05H＼ROH）线圈烧断，N975（TNY175PN）烧毁。因为无法购买到T803，若要整块电源板更换，机主无法接受。
The article studies automation methods of design-engineering preproduction with the use of continuous 3D technology ASCON using the example of detail “Base”.
Because our limited fossil fuel reserves are being depleted while worldwide energy demands are increasing, an energy crisis has emerged. To mitigate the problem, one major approach is to design and discover new energy materials with superior cost-effectiveness and functionality. Along this line, this dissertation work…
Currently actively developing direction of seismic protection associated with the use of absorbing screens made in the form of sandwich structures. In this work are the key assumptions and calculation scheme, allowing to obtain an approximation of the method of calculation of such structures under dynamic loading.
In this Licentiate Thesis, the properties and effects of iron and iron oxide filled carbon nanotube (Fe-CNT) memories are investigated using experimental characterization and quantum physical theoretical models. Memory devices based on the simple assembly of Fe-CNTs between two metallic contacts are presented as a pos…
由四（4·吡啶氧甲基）甲烷（tpom）和对苯二甲酸（tpa）与Cd（NO3）2·4H20合成了配位聚合物{[Cd2（tpom）（tpa）2：]．（DMF）（H20）3}n，通过元素分析、红外光谱、X-射线粉末衍射、热重、X-射线单晶衍射对配位聚合物的结构进行了表征。结果表明，标题化合物属于单斜晶系C2／c空间群，晶胞参数为a=3．4747（17）nm，6=2．0899（10）nm，c=1．4292（10）nm，β=111．642（5）°，V=9．647（9）nm3，Z=8，De=1．374g·cm-3，F（ooo）=3984．0，／μ=0．939mm-1，其6586个可观测点的结构偏差因子R1=0．0566，wR2=0．1408。…
目的研究MRI对比剂钆-二乙烯三胺五乙酸（Gd．DTPA）标记骨髓间充质干细胞（BMSC5）的可行性及标记之后体外MR成像示踪的可能性，材料与方法骨髓间充质干细胞由SD大鼠双侧股骨骨髓中获取，培养、传代并纯化细胞，采用临床通用Gd—DTPA增强剂标记骨髓间充质干细胞；透射电子显微镜观察标记情况，并用台盼蓝染色方法及噻唑监（MTT）法测定标记细胞的活力及增殖能力；对标记的细胞进行体外7．0TMR成像。结果透射电子显微镜可清晰观察到Gd-DTPA颗粒大部分存在于骨髓间充质干细胞细胞浆中，少许贴附于细胞膜上。台盼蓝染色方法证实标记之后细胞的存活率没有受到影响，MTT法证实标记之后对BMSCs增殖能力没有影响体外试管扫描示标记细胞呈高T1…
在自由落体条件下研究三元Fe62．5Cu27．5Sn10合金的亚稳相分离和凝固组织形成规律。结果表明：液相分离使得合金液滴在快速凝固过程中形成2-3层壳核组织和均匀弥散组织，其相组成为α-Fe固溶体和Cu3Sn金属间化合物相。分析液滴内部L2（富Cu）液相的运动特征发现，温度梯度和浓度梯度所引起的Marangoni运动促进壳核组织的形成，合金液滴的最终凝固组织由冷却速率、过冷度和Marangoni运动共同决定。如果液滴直径足够小，快速冷却能够抑制液相分离，凝固组织演变为等轴枝晶形态，其相组成为α-Fe固溶体和Cu2FeSn化合物。EDS分析显示，初生α-Fe相在快速凝固过程中发生了显著的溶质截留效应。
The design of the vibrating table with pneumatic linear acting vibroexciter and an elastic system as a pneumatic rubber elastic suspensionis considered. The research results of its efficiency are leaded.
The EFDA-ITER programme for materials wants to develop new structural materials for future nuclear magnetic fusion reactors. In this context, special attention must be paid in the development of new composite materials that could support the hard working conditions of the nuclear fusion reactors: high temperature, hig…
We have developed a scanning photoelectron microscope system with the capability of depth profiling in electron spectroscopy for chemical analysis (ESCA). We call this system “3D nano-ESCA.” The system has been installed at the University-of-Tokyo Materials Science Outstation beamline, BL07LSU, at SPring-8. A total sp…
在2013年中国国际纺织面料及辅料（秋冬）博览会上，英威达带来的创新产品包括LYCRA@（莱卡@）纤维、COOLMAX@面料、THERMOLITE@面料及保暖材料等。而在同期举行的2013上海国际内衣泳装原辅料展上，英威达还展示了泳衣领域的创新产品，这些产品赋予泳衣在泳池环境中更贴身、更舒适的性能。
为进一步提高固体润滑涂层的耐热性和耐磨性，以改性环氧树脂为主要成分，聚酰胺为固化剂，制备了合MoS2、石墨和sb2O3的粘结固体润滑涂层。参照相关标准测试了涂层的外观、附着力、硬度及摩擦学性能；研究了石墨、MoS2质量比及Sb2O3用量对涂层耐热性、耐磨性的影响。结果表明：50g改性环氧树脂，15g聚酰胺，石墨与MoS2质量分数为3：2，总质量为30g时，石墨与MoS2的协同效应最好，涂层具有较好的耐热性及耐磨性，经高温灼烧几乎无变化，磨损失重、摩擦系数最小，分别为263mg和0．28；增强剂Sb2O3的加入使涂层硬度提高，耐磨性增加，对其耐热性影响不明显，用量为3g时涂层摩擦学性能最佳，摩擦系数降至0．26。