Study of Microstructures and Tribological Performance of As-Milled Exfoliated Graphites 球磨态膨胀石墨的结构表征和摩擦学性能研究
Origin of graphites in early Precambrian banded iron formation in anshan, china 鞍山前寒武纪条带状含铁建造中石墨的成因
These include use of nano-scale particles of graphene, a one atom thick layer of carbon molecules that form the basic structure of graphites. 这其中包括利用纳米级微粒图表,构成石墨基本结构一个原子厚度的碳分子。
Cast steel with spheroidal graphites is a new kind of engineering material. The carbon content of it is between plain carbon steel and grey iron. 球墨铸钢指的是碳含量介于普通高碳钢和低碳灰铸铁之间的一种新型工程材料。
Effect of Chemical Compositions and Second Phases on Thermal Fatigue Property of Cast Steel with Spheroidal Graphites 成分及第二相组织对球墨铸钢热疲劳性能的影响
Titanium doped graphites were prepared and their microstructure were studied. 制备了不同掺钛量的钛掺杂石墨并研究了其导热性能。结果表明,与相同条件制备的纯石墨材料相比,钛掺杂石墨的导热性能大大提高。
The present status of activated carbon fibers, carbon nanotubes and expansile graphites as the electrode materials for electrical double-layer capacitors were discussed respectively. 对目前已用做电双层电容器电极材料的活性碳纤维、纳米碳管和膨胀性石墨的研究情况分别做了论述。
The thermal shock behavior of 4 kinds of impurity doped graphites was investigated under a simulated plasma disruption condition using high-energy laser and electron beam. 用高能激光束和电子束轰击实验材料,模拟聚变堆面对等离子体材料在等离子体破裂时的工作状态,考察了4种掺杂石墨材料在热冲击下的热腐蚀规律。
Research on Mechanism and Application of Cast Steel with Spheroidal Graphites 球墨铸钢机理及应用研究
As a candidate plasma facing material, Graphites are widely used as the armor material for first wall and divertor plate in current tokamak devices. 石墨被广泛用于当今的托卡马克装置中,作为真空室第一壁和偏滤器靶板的保护材料,也是未来聚变堆的一种候选面对等离子体材料。
Application researches on doped graphites as plasma facing materials 掺杂石墨作为面对等离子体材料的应用研究
Radiation damages of the recrystallized graphites by ion bombardment in HT-7 fusion environment were also studied. 对掺杂石墨的热力学性能、微观结构及在HT-7装置的聚变环境中的行为进行了考察。
The influence of the orientations of the flake graphites on the spallation of pearlite colony is also discussed. 还讨论了石墨片的空间取向对珠光体团剥落的影响。
A Study on the Composition and Structure of Chinese Natural Graphites 天然石墨的组成和结构研究
In this paper, SiC coating was prepared by different methods ( paste coating, dip coating and vapor reaction coating) on the surfaces of C/ C composites and graphites. 本研究由不同的涂层制备方法(刷涂法、浸涂法、气相反应法)在C/C复合材料、石墨基体表面制备了SiC涂层。
The crack is easily initiating and propagating at the narrow ferrite matrix bridge between neighbouring graphites; 裂纹容易在相邻石墨间的窄铁素体基体桥处萌生与扩展;
The influence of chemical composition and second phase on wear resistance of cast steel with spheroidal graphites was studied quantitatively to provide technical basis for rational use of the new material and quality control in production. 主要研究成分及第二相组织对球墨铸钢耐磨性的定量影响规律,从而为合理应用这一新材料和生产中的质量控制提供技术依据。
This paper examines the frothing behaviour of secondary octanol and terpineol and studies their efficiencies of floating scale graphites. 本文测定了仲辛醇和松醇油的起泡性能,实验研究了这两种药剂作鳞片石墨起泡剂的浮选效果。
Thermal Shock Behavior of Doped Graphites Tested by High Energy Laser Beam and Electron Beam 掺杂石墨在高能激光束和电子束作用下的热冲击行为
By means of self-research spheroidal agents appropriate nodularizing treatment on the liquid of super high carbon steel, a certain amount of spheroidal graphites 、 carbides and pearlites can be obtained in the final as-cast structure. 通过研究发明的新型球化剂,对超高碳钢钢液球化处理,铸态组织中除珠光体外,还含有一定数量的球状石墨和碳化物。
In use of spheroidizing agency treatment, some spheroidal graphites and carbide on the matrix of lamellar or sorbitic pearlite can be achieved in as-cast state. 其基本特点是通过对钢水的球化处理使材料在铸态下得到一定量的球状石墨和碳化物,基体组织为片状珠光体或索氏体。
The effect of ball-milling time on the oxidation behavior of boron doped graphites 球磨时间对硼掺杂石墨材料抗氧化行为的影响
The results showed that spheroidal graphites and graphitizing elements improve the thermal fatigue property obviously, while carbides and its promoting elements weaken the property. 研究表明,球状石墨及促进石墨化元素有利于其热疲劳性能的提高,而碳化物及反石墨化元素则削弱其热疲劳性能。
Multi element doped graphites were prepared by hot pressing techniques using natural graphite powders as the precursor. 以天然石墨为原料,通过热压工艺,制备了含Zr多组元掺杂石墨材料。
The non-linear behaviour of graphites and its effects on the fracture energy 石墨的非线性行为及其对断裂能的影响
Determination of impurities in nuclear grade graphites by instrumental neutron activation analysis 仪器中子活化分析方法测定核纯级石墨中的杂质
Morphology of graphites in Isothermally solidified structure of Rare Earth Cast Iron 稀土铸铁的等温凝固组织及石墨形态的研究
The influence of the multiple inoculators containing antimony on the chilling tendency, the velocity of graphitizing annealing, quantity and size and shape of graphites, the matrix structure and the mechanical properties of the malleable cast iron was studied. 研究了含锑复合孕育剂对可锻铸铁白口倾向,退火石墨化速度,石墨的数量,大小及形状,基体组织以及机械性能的影响。
The increased graphites shorten the diffusion distance of carbon in austenite and the carbon atom transform to the graphite quickly. 石墨数量的增加缩短了碳在奥氏体内的扩散距离,促使碳原子快速转变成石墨,从而加速渗碳体的石墨化过程。