The function of alloy elements in dot graphite alloy cast iron is presented, and the effect of alloy elements on heat analysis curve of dot graphite alloy cast iron is discussed.
分析了合金元素的功能及对点状石墨合金铸铁热分析曲线的影响,通过调整点状石墨合金铸铁的化学组分,控制初生奥氏体结晶温度区间和共晶转变温度,生产出硬度满足使用要求,且分布均匀,质量稳定的点状石墨合金铸铁模具。
It could guarantee the quality of battery and reduce the cost of raw material effectively when the ratio of acetylene black and graphite in soil form was 2∶1 or the ratio of electrolytic manganese dioxide(EMD) and natural manganese dioxide(NMD) was 2∶1.
当乙炔黑与土状石墨的比例为2∶1或电解二氧化锰(EMD)与天然二氧化锰(NMD)比例为2∶1时,既能保证电池质量,又能有效地降低原材料成本。
It is justified by the observed results that non-metallic inclusion can act as the heterogeneous nuclei of nodular graphite in this paper.
提供了非金属夹杂物作为球状石墨非自发形核心的视觉证实。
Combining with the results of implant test,the conclusion that the main reason of dropping the strength of Austenite zone is the micro\|crack located in the tip of flake graphite and Marten site is drawn.
结合插销试验结果提出了马氏体相变过程中 ,在片状石墨尖端及马氏体组织中造成的微裂纹是奥氏体区强度下降并进而在外力作用下断裂的主要原
Adding different alloy combination of RE, copper and titanium, then through gestation and nodulizing disposal, we got the fine texture of ferrite pearlite and spheroidal graphite.
通过在中硅耐热铸铁中添加不同组合的合金元素稀土、铜、钛使其合金化,经过孕育和球化处理,得到铁素体+珠光体+球状石墨的金相组织。
Spheroidal graphite can be observed in the region approaching surface of the smaller section size gray iron bars by continuous cast The experiment shows that spharical graphite may crystallize in commercial gray cast iron with suitable chemical composition under certain cooling rate This phenomenon can be explained by the mechanism of diffusion controlled growth of graphit
在较小截面的连铸灰铸铁型材表层，观察到具有球状石墨的金相组织；经过试验证明，在一定冷却条件下，未经处理过的灰口铁液也可能析出球状石墨。
The fracture behaviour of cast irons with graphite irregularity S=0 and spheroidal graphite iron under three different stress modes was investigated.
试验发现：当裂纹遇到与其平行的片状石墨时，裂纹将在石墨内部以（０００１）面之间的解理而扩展；当裂纹遇到与其垂直的片状石墨时，裂纹将沿石墨／基体界面处扩展，也即界面的脱粘；当裂纹遇到球状石墨时，裂纹上要在二次石墨中前进。
Before and after the process of heating to grahitization temperature 2770K, the structure of powdered graphite treated with acid and acid base was analysed by X ray diffraction line profile method.
采用X射线线形分析方法对经过两种不同化学方法和石墨化温度 (2 770K)处理的 4个粉状石墨 (1# 至 4# )试样进行了分析计算 ,计算结果显示这 4个粉状石墨试样的晶粒尺寸基本保持不变 ,微观应变增加 ,位错密度减小。
From the measurements of chemical analysis and X-ray diffraction of KRG W1 powdered graphite, it is found that this graphite has not only a high degree of graphitization and a fixed carbon content of up to 99 99%, but also contains a certain quantity of rhombohedral graphite.
借助化学分析法和X射线衍射仪对KRG W1型粉状石墨进行测试 ,发现这种石墨不但石墨化度高而且固定碳高达 99。
"also known as nodular cast iron and spheroidal graphite iron, ductile iron solidifies with free carbon in a spheroidal graphite from."
也称为可锻(韧性)铸铁或球状石墨铸铁,以球状石墨形式存在的游离碳使球墨铸铁变得更加坚固。
Compression molding of spherical carbon and synthesis of diamond from it
球状石墨的粉压成型及以其为原料的金刚石生长
In Ductile Iron spheroidal nodules also eliminate the crack effect of flake graphite which is exhibited in cast iron.
球墨铸铁内部的球状结构也能够消除铸铁内部的薄片石墨容易产生的裂缝现象。
Influence of Size and Number ofGraqhite Nodules on Wear Property of DCI
石墨球径和球数对球墨铸铁耐磨性的影响
Analysis and Prevention About Graphite Blooming of the Nodular Cast Iron;
球墨铸铁石墨开花问题的分析与防范
Analysis and Processing of Graphite Blooming of Ductile Iron
球墨铸铁石墨开花问题的分析与处理
granular graphite cooled reactor
颗粒状石墨冷却反应堆
The Research on Computer Pricing System in Graphite Noduliaing Grade of Nodular Cast Iron;
球墨铸铁石墨球化级别计算机评价系统研究
Analysis on the Cast Condition Graphite in Production of the Ferrite Nodular Graphite Malleable Casts
铁素体球墨可锻铸铁件生产中铸态石墨的分析
Application of Graphite Chills to the Heavy-Section Ductile Iron Castings
石墨冷铁在大断面球墨铸铁件上的应用
Study on Preparation and Properties of Graphitized Nano/Micro-structured Carbon Spheres;
纳微米石墨化碳球的制备及性能研究
Application of Fractal in Fuzzy Evaluation System of Graphite Shape in Nodular Cast Iro
分形学在球墨铸铁石墨形态模糊评价系统中的应用
Fundamental Research on Solid-state Graphitization in Spherical Graphite Iron by Pulse Current;
脉冲电流作用下球墨铸铁固态石墨化的基础研究
Effect of As-cast Graphite on Mechanical Properties of RE-Mg Spheroidal Graphite Malleable Iron
铸态石墨对稀土镁球墨可锻铸铁件力学性能的影响
GRAPHITE NODULAR PHENOMENA DURING THE ESR OF CAST IRON
灰铸铁电渣重熔过程石墨球化现象的研究
A Study on the Kinetics of Oxygen Reduction on Vibrational Ball Milled Graphite
氧在振动球磨石墨上阴极还原动力学的研究
Study on the Solidification Process and Graphitization Mechanism in Low-carbon Ductile Iron;
低碳球铁凝固过程与石墨化机制的研究
Study on Modification Spherical Graphite as Anode Materials in Lithium Ion Battery;
改性球形石墨用于锂离子电池负极材料的研究