The nucleus of the spheroidal graphite should be of spheroidal shape.
石墨球的核心应该是球形。
A homogeneous weld electrode was developed for welding spheroidal graphite cast iron.
采用该焊条对球墨铸铁焊接时，可以达到同质焊缝要求。
Using the method of isothermal forging spheroidal graphite cast iron pipe of good quality can be produced.
利用等温锻造方法可生产优质的球墨铸铁管。
The torsional strength of the notch of spheroidal graphite (SG) cast iron by continuous casting was tested.
研究了一种用水平连铸技术生产的球墨铸铁型材的扭转强度和缺口扭转强度。
This paper conducts a research on the influence on the mechanical propeerties of spheroidal graphite cast iron by…
本研究在球墨铸铁强韧化方面提出了新的强韧化方法。
The influence of flake and spheroidal graphite on oxyacetylene cutting characteristic of cast iron has been analysed.
讨论了石墨的物理性能，分析了片状和球状石墨聚集状态对铸铁气割性的影响。
This paper conducts a research on the influence on the mechanical propeerties of spheroidal graphite cast iron by changing th…
本研究在球墨铸铁强韧化方面提出了新的强韧化方法。
This paper deals with the structure of the cast steel with spheroidal graphite and the forming mechanism after normalizing and forging.
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。
Experiments show that the rapid prepare heat treatment spheroidization annealing (conditioning) get good results of spheroidal graphite.
实验表明，预备热处理采用快速球化退火(调质)得到的球化效果良好。
Spheroidal graphite cast iron and graphite are chosen as raw material separately, ball milling method is used to fabricate carbon microspheres.
分别以球墨铸铁和石墨为原料，采用机械球磨法成功制备了碳微球。
All the engine casings are to my design, cast by a local commercial foundry in spheroidal graphite iron, a ductile grade and beautiful to machine!
所有的发动机外壳是我的设计，由当地的球墨铸铁铸造厂铸造，(1韧性等级和美丽的机器！)
The microstructure morphology of spheroidal graphite cast steel after as-casting, annealing, normalizing, forging was investigated emphatically in this paper.
重点分析了球墨铸钢铸态、退火、正火、锻造后的组织特征。
If the compacted treatment degree and chill capacity of chiller are not enough to obtain fine spheroidal graphite layer, the service life of glass mold is short.
如果蠕化处理程度和冷铁激冷能力无法形成球墨层者，使用效果较差。
The effects of carbon content on microstructure and mechanical properties of spheroidal graphite cast iron containing arsenic, tin, lead and titanium was investigated.
研究了碳量对含砷锡铅钛球墨铸铁组织与力学性能的影响。
The paper investigated the vermicular graphite and its transition morphologies to lamellar and spheroidal graphite in deep-etched compacted vermicular iron bars by SEM.
本文利用扫描电镜对深腐蚀蠕墨铸铁试样中的蠕虫状石墨及其与片状石墨、球状石墨之间的过渡形态进行了观察研究。
Its physical property is similar to that of spheroidal graphite iron tubes, but some aspects such as elongation percentage are inferior to the spheroidal graphite iron tubes.
物理性质与球墨铸铁管类似，但在延伸率等较多方面均劣于球墨铸铁管，但灰口铸铁管价格适中。
The experimental research on 'diffusion bonding of spheroidal graphite cast iron and copper is conducted by adopting the self-made equipment of small vacuum diffusion bonding.
采用自制的小型真空扩散接合装置，进行了球铁与铜扩散接合试验研究。
NOTE the transmission technique has insufficient sensitivity to detect the discontinuities found in spheroidal graphite cast iron castings and is used in exceptional cases only.
注意：对于检测球墨铸铁中的缺陷来说，穿透技术的灵敏度不够，只有在特殊情况下使用该技术。
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。
The experimental result in this paper shows that the theory of elastic-plastic mechanics can be basically applied to spheroidal graphite cast iron with the matrix of ferritic-pearlitic.
本文的实验结果表明，弹塑性力学的理论和假设基本适用于铁素体-球光体基体的球墨铸 铁材料。
Mathematical model of the microstructure as well as the mechanical properties of spheroidal graphite iron casting was researched on the basis of solidification and thermodynamics theories.
根据结晶及相变动力学理论，建立了预测球墨铸铁件铸态组织及机械性能的数学模型。
According to the maximum pressure to bear, pump body and cover can be made of grey cast iron (1.6mpa), spheroidal graphite cast iron (2.0mpa) or cast steel (2.5mpa, including stainless steel).
根据泵承受的最大压力，泵体和泵盖材质采用灰口铸铁(1.6Mpa)、球墨铸铁(2.0 mpa)、铸钢(2.5 Mpa，包括不锈钢)。
This paper introduced that horizontal centrifugal casting technology is used to develop the composite acicular spheroidal graphite cast iron collar for tension reducing mill of Baogang pipe mill.
介绍了采用卧式离心铸造技术，试制宝钢钢管轧机使用的复合针状球铁张减机辊环的过程。
This paper introduced that horizontal centrifugal casting technology is used to develop the composite acicular spheroidal graphite cast iron collar for tension reducing mill of Baogang pipe mill.
介绍了采用卧式离心铸造技术，试制宝钢钢管轧机使用的复合针状球铁张减机辊环的过程。
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