Defects control for crank shaft of ductile cast iron is also discussed.
本文还针对球铁曲轴的缺陷控制提出了自己的看法。
The research of laser cladding Co-base alloy coating on ductile cast iron;
对熔覆层和熔覆层与基体结合区的形貌和微观组织进行了研究。
The morphology and distribution of vanadium in bainite ductile cast iron were studied.
研究了钒在贝氏体球墨铸铁中的存在形态及其分布。
The high toughness ductile cast iron directly obtained at as-cast state had been studied.
对铸态直接获得高韧性球铁进行了研究。
The stability of gas pressure is crucial to assure the quality of ductile cast iron pipes.
煤气压力的稳定性是保证球墨铸管退火质量的关键。
Reasonable alloy elements could improve mechanical properties of the Bainite ductile cast iron.
合理加入合金元素有利于提高贝氏体球铁的性能。
The annealing process of centrifugal ductile cast iron pipe by the heated mould method is studied.
研究了热模法离心铸造球铁管的退火工艺。
Its ductile cast iron enclosure ensures rugged and reliable performance in the harshest environments.
它的球墨铸铁外壳确保了在恶劣的环境坚固和可靠的性能。
The origin of these excellent properties of austenite-bainite ductile cast iron has also been explored in this study.
本文还探讨了奥氏体-贝氏体球铁性能优异的原因。
Crack nucleation and propagation in wear-resistant bainite ductile cast iron were investigated by press trace method and SEM.
采用压痕法及扫描电镜观察，研究了抗磨贝氏体球铁中裂纹的形核与扩展。
The bainite ductile cast iron has been widely used because of its excellent combination of hardness, toughness and wear properties.
贝氏体球墨铸铁由于具有优异的强韧性能和耐磨性能已得到广泛的应用。
Ductile cast iron as a light type material with fine mechanical properties has been applied more widely in the automobile industry.
作为一种高性能轻型材料，球铁在汽车行业得到了更广泛的应用。
The casting materials can meet the technical requirements of common gray iron top-grade cast iron, ductile cast iron and non-ferrous alloy, etc.
铸件材质能满足普通灰铁、高级铸铁、球墨铸铁、有色合金技术要求。
The results show that the fatigue damage variable of pearlite ductile cast iron as a function of fatigue cycle varies according to the index law.
结果表明：球墨铸铁的疲劳损伤变量随疲劳周数呈指数规律变化；
Influence of annealing temperature on structure and properties of infinitely chilled ductile cast iron roller is studied in the present research.
研究了退火处理温度对无限冷硬铸铁轧辊组织和性能的影响。
In this paper the hot dipping aluminium technology of ductile cast iron and heat resistance of hot-dipped aluminium ductile cast iron are studied.
本文对球墨铸铁的热浸渗铝工艺和渗铝球铁的耐热性能进行了研究。
Constructed of ductile cast iron, it ensures maximum strength and endurance for possible exposure to acid wash down in pulp and paper applications.
韧性铸铁建造，保证最大的力量可能接触酸洗的纸浆和纸张应用瘫痪和耐力。
The effects of elements B, Cu and Mn on structure and mechanical properties of the Bainite ductile cast iron in above-mentioned process were investigated.
研究了硼、铜、锰对贝氏体球墨铸铁组织和性能的影响，并讨论了球墨铸铁的性能滞后现象，即等温淬火后随时间延长硬度增加的现象。
According to principle of damage mechanics, the evolutional law of damage in pearlite ductile cast iron has been studied under fatigue and tension loading.
利用损伤力学原理，研究了珠光体球墨铸铁在疲劳和拉伸载荷作用下的损伤演变规律。
The ductile cast iron and the other cast iron usually belong to the brittleness material. It's the fracture toughness should studied by linear elastic mechanics.
通常球墨铸铁与其他铸铁材料一样被认为属于脆性材料，断裂韧度应该用线弹性力学理论进行研究。
The results show that the range of austenitizing temperature required for bainite hardening and the hardness of bainite ductile cast iron is increased as vanadium is added.
研究结果表明，钒使贝氏体转变所要求的奥氏体化温度范围增大，并使贝氏体球铁的硬度提高。
The tests for the ductile fracture toughness and the contact fatigue are also carried out for examining serviceability and durability of austenite-bainite ductile cast iron.
为了考察奥氏体-贝氏体球铁的可靠性和使用寿命，还进行了延性断裂韧度与接触疲劳性能的试验。
The effects of casting modulus, pouring temperature. carbon equivalent and mould toughness on the solidification shrinkage of ductile cast iron was investigated experimentally.
实验测定了化学成分、浇注温度、铸件模数和铸型刚度对球墨铸铁收缩特性的影响。
It is difficult to warrant the quality of glow-ion nitriding to grey cast iron and ductile cast iron. The basic reason is that the iron can't be washed clearly before nitriding.
灰口铸铁、球墨铸铁的辉光离子氮化质量较难保证，其根本原因在于氮化前工件清洗不当。
The nitride layer was formed on the surface of ductile cast iron by gas multi-element penetration, and the phase structure and section appearance of nitride layer were analyzed by the XRD and SEM.
球墨铸铁经过气体多元共渗后可在其表面形成氮化层，通过X射线衍射和扫描电镜对渗层的相结构与形貌进行分析。
The composition, control principle and dynamic characteristics of time series pulse combustion control system applied to the annealing furnace in Beitai Ductile Cast Iron Pipe Plant are introduced.
主要介绍了北台球墨铸铁管厂退火炉时序脉冲燃烧控制系统的组成、控制原理和动态性能，指出时序脉冲燃烧控制方式的优点以及在引进应用中应注意的问题。
According to the principle of damage mechanics, the evolutional law of fatigue damage of pearlite ductile cast iron was studied with double arms electrical bridge for measuring electrical resistivity.
根据损伤力学原理，用双臂电桥测量电阻的方法，研究了珠光体球墨铸铁的疲劳损伤演变规律。
Thus Ductile iron valves can easily replace cast iron or steel valves.
因此球墨铸铁阀门能够方便的替换铸铁或钢阀门。
I was founded in 1994, is a specialized in cast iron, cast steel, alloy cast iron, ductile iron casting processing units.
我公司成立于1994年，是一家专门从事铸铁、铸钢、合金铸铁、球墨铸铁的铸造加工单位。
I was founded in 1994, is a specialized in cast iron, cast steel, alloy cast iron, ductile iron casting processing units.
我公司成立于1994年，是一家专门从事铸铁、铸钢、合金铸铁、球墨铸铁的铸造加工单位。
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