And this graphite pebble is about the size of a billiard ball. 这个石墨块是和,台球的大小一样。
Expanded graphite ( EG) with different expansion ratio is prepared by using graphite with different particle size under the same conditions including oxidization and expansion at high temperature. 用不同粒度的石墨在相同条件下酸化、高温膨胀,可获得膨胀倍数不同的膨胀石墨。
It is a basic demand for evaluating the microstructure and performance to determine the graphite size and its spheroidization rate in nodular cast iron. 正确测定球墨铸铁中石墨大小及球化率,是对球墨铸铁组织性能进行评定的基本要求。
Coke particles are main raw materials for carbon graphite products. Its grain size composition and distribution, and microstructure have an effect on mechanical, physical and chemical properties for carbon graphite products and finished product ratio in manufacture of carbon graphite products. 焦炭颗粒是生产碳石墨制品的主要原料,它的粒度组成、分布及其微观结构不仅对碳石墨制品的机械性能和理化性能有一定的影响,而且还直接影响到各生产工序的成品率。
The results show that, with decreasing graphite particle size, the hardness of the material increases and the strength decreases, while the wear rate of the friction material and matching material increases. 研究结果表明:随着石墨粒度的细化,材料的硬度提高而强度降低;材料及偶件的磨损增大;
The relation between uneven nodular graphite in size on blast-furnace rapid metallograph and graphite floatation was studied by observing metallograph. 采用金相观察法研究了球墨铸铁炉前快速金相球墨大小不均与石墨漂浮的关系。
The Influence of Graphite Particle Size on Friction and Wear Properties of Copper-Ferrous Matrix Friction Materials 石墨粒度对Cu-Fe基摩擦材料性能的影响
Studying factors affect lining organization, tensile strength and steel wire rope's abrasive performance, such as the graphite accession quantity the graphite appearance, and grain size. 并研究石墨加入量、石墨形貌及石墨长度对衬套组织、强度、以及对钢丝绳耐磨性的影响。
Measurement and Characterization of Nano-graphite Particles Size 纳米石墨颗粒粒度的测量与表征
The graphite particles size distribution during wear process were acquired through Scanning Electronic Microscope ( SEM) imaging and the particle size analyzing by the software. 同时借助扫描电子显微镜和粒度分析软件,对磨损过程中产生的石墨磨屑进行了粒度分析,给出了不同条件下石墨磨屑尺寸的频率密度分布;
Based on the tests, the relation between diamond exposure and graphite size, graphite content in matrix and strengthening degree were obtained. 随后对石墨颗粒的粒度和强化程度进行反复试验,得到石墨颗粒的粒度、含量和强化程度对金刚石出刃的影响关系;
This paper has analyzed influence of different graphite size, graphite shape, graphite distribution and different structure, for the changing friction wear shape look and stress site according to the result of testing. 本文根据试验结果,分析了不同尺寸、形状和分布情况的石墨及不同基体组织对摩擦磨损形貌和应力场的影响,并且对材料的摩擦机理进行了分析。
The electrochemical performances of graphite anode for Li-ion batteries were studied in this paper. Graphite samples with different particle size distributing were gained by sedimentation technology; some natural flake graphite were oxidized in air, and some were doped with metal oxidation such as Li2O and NiO. 本文利用沉降技术制备了不同粒度分布的石墨,通过不同温度的氧化处理、掺入Li2O和NiO等工艺制备了改性的天然鳞片石墨;
Improvement of treating technology to raise the grade of graphite ore concentrates and protect big size scales of graphite 提高石墨精矿品位及保护石墨大鳞片的工艺实践
The graphite particle size frequency density distributions were also given. ⑶ For the structural arrangement and reactor operation condition of HTR-10, the graphite dust producing rate of HTR-10 was estimated as 2.74 kg/ year. The produced graphite dust size distributions were also predicted. 在试验的基础之上,结合HTR-10的结构以及反应堆正常运行时的工况,合理地估算了HTR-10中石墨粉尘的产生速率为2.74kg/年,给出了石墨粉尘粒度分布的初始频率密度分布;
The hardness of the composites was decreases with the increase of the graphite content and with the refinement of the graphite particle size. 复合材料的硬度随石墨含量的增加而降低,随石墨颗粒尺寸的细化而增大。
In the first part of this work, the expandable graphite ( EG) with different particle size filled rigid pol(?) urethane ( RPUF) foam was obtained. 本文第一部分主要研究了不同粒径的可膨胀石墨(EG)粒子填充高密度硬质聚氨酯泡沫塑料(RPUF)无卤阻燃性能的研究。
Many differences in chemical composition, hardness, uniformity, graphite content, grain size, morphology, phosphide eutectic morphology and composition as well as quantity of hard phase have been found in the inspection results between them. 检验结果表明,进口毛坯和国产毛坯在化学成分、硬度及其均匀性、石墨含量、晶粒大小及形貌、磷共晶形态、硬质点的成分及含量均存在差别。
The Effect of Graphite Particle Size on the Properties of Copper-graphite Composites Made with Copper-coated and Uncoated Graphite Powders Via Electroless Copper Plating 石墨粒度及其表面化学镀铜对铜&石墨复合材料性能的影响
The results show that expanded graphite has a valuable attenuation performance at 3 mm and 8 mm wave, and its attenuation performance decreases with the reduction of expansible graphite particle size. 结果显示,膨胀石墨能够较好地衰减3mm和8mm波辐射,其衰减性能随着可膨胀石墨粒度减小而降低。
Application of Nodular Graphite Alloy Cast Iron Rollers to Medium Size shaped Steel Continuous Hot rolling Mill 合金球铁轧辊在连续式热轧中型型钢轧机上的应用
Effect of graphite particle size on properties of low carbon MgO-C brick 石墨粒度对低炭镁炭砖性能的影响
Estimation of Graphite Dust Quantity and Size Distribution of Graphite Particle in HTR-10 HTR-10产生石墨粉尘量的估算及其尺寸分布
The MR of bulk graphite decreases with decreasing particle size. 石墨颗粒固体的磁电阻数值随着平均颗粒尺寸的减小而减小。
The sample with more silicon, had more graphite. The graphite ball size was small and distribution was more uniform. 试样中的硅含量越高,组织中的石墨球就越多,石墨球径越小,在基体中的分布更加均匀。
In the production of ductile iron in investment casting, using low-RE Mg-nodulizer and secondary inoculation, prepared ductile iron with whole round graphite of uniform size. 在熔模铸造球铁的生产工艺方面,采用低稀土镁球化剂和二次孕育,可获得圆整度好、尺寸均匀的石墨球。