Apply Nodulizing and Inoculating Process to Enhance Quality of Nodular Cast Iron 采用球化孕育新工艺,提高球墨铸铁冷却壁质量
The fine bead producing apparatus comprises a raw material melting device ( 1), a liquid drop forming device ( 2), a nodulizing condensing device ( 3) and a product collecting device ( 4). 它包括原料熔化装置(1)、液体成滴装置(2)、球化冷凝装置(3)、产品收集装置(4);
Three practical methods for spot judging quality of nodulizing treatment was introduced including: judging according to the tongue of flame appearing in ladle or its spout. 包内、包口火苗法,铁液表面膜法和三角试片法是炉前判断球化质量的实用方法。
This kind of new powdered nodulizing agent possesses unsurpassed advantages over other alloy agents and it may become the substitute agent in 90's. 这种新型粉状球化剂具有合金球化剂不可比拟的优越性,有可能成为90年代的换代产品。
Tundish-cover nodulizing process can reduce the smoke and dust effectively and the pollution of the atmosphere. 盖包法可以有效减少烟尘的排出,减少对大气的污染;
By analyzing the result of the experiment, it reveals that the abnormal structure usually appears at the surface layer of nodular iron castings produced by furan-sulfonic acid, toluene sulfonic acid ( TSA), cured sand mold with the nodulizing agent, Mg-RE alloy. 通过实验研究,用甲苯磺酸作催化剂的呋喃树脂自硬砂与稀土镁作催化剂生产的球铁件,通常在其铸件表层出现异常组织。
The nodulizing power of the La-Mg nodulizer and its influences on the chilling sensitivity of nodular cast iron and the property of anti-degeneration were studied. 研究了镧镁球化剂的球化能力及其对球墨铸铁白口敏感性和抗衰退性的影响。
The internal quality of the casting pipe can be controlled by choosing and controlling the chemical composition stringently, improving the remained magnesium moderately to prevent nodulizing degradation, adopting the first and secondary inoculation and choosing Si-Ba alloy as the third instantaneous inoculation. 通过选择和严格控制化学成分,适当提高残留镁量,防止球化衰退,采用一次孕育、2次孕育和选用硅钡合金瞬时孕育的三次孕育,确保铸管内在质量。
Application of Low Silicon Nodulizing Agent in Production for Centrifugal Ductile Iron Pipe 低硅球化剂在离心球铁管生产中的应用
Nodulizing Effects of Mg and RE in Austenitic Cast Iron 镁和稀土在奥氏体铸铁中的球化作用
An Investigation on Application of Yttrium-Based Heavy Rare Earth Magnesium Nodulizing Alloys 钇基重稀土镁球化剂的应用研究
( d) improving nodulizing and inoculating process; 改进球化、孕育工艺;
The effect of V on nodulizing of carbides was observed in the as-cast, nomalized and oil quenched condition in low Cr white cast iron alloyed with V. 在低铬白口铸铁的基础上加入钒,观察钒含量对碳化物的团球化影响。
This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method. 介绍了音频法检测铸件球化级别的原理及试验结果。
For solving the problems existing in the tundish-cover nodulizing process, we have designed the a new ladle cove, which can lift and drop freely and make worker operate conveniently. 本课题正是针对目前盖包球化处理工艺存在的问题,设计制作了包盖可自由升降的加盖球化包,有效降低了工人的操作强度;
Injection-feeding Nodulizing Technique for Producing Ductile Iron Pipes 喂线球化工艺在球墨铸管生产中的应用
The results show that alternative electromagnetic field plays a positive role on reinforcing desulphurization and deoxidation, and reducing the S and O content in the solidified spheroidal cast iron by alternative electromagnetic field. The results also indicate that the alternative electromagnetic field could restrain nodulizing degradation. 结果表明:交替变向电磁场可加速球化元素镁和稀土的脱S脱O作用,使电磁场中凝固的球墨铸铁S,O含量相对较低,从而抑制了球墨铸铁的球化衰退。
Nodulizing treatment is one of the important links of production of ductile iron, the selection of nodulizing treatment method has an important influence on the performances of ductile iron and an important factor to achieve the high quality ductile iron. 球化处理是球铁生产的重要环节之一,球化方法的选用对球铁性能有着重要的影响,是获得高质量铸件的重要因素。
An Review of Common Nodulizing Treatment Processes 常用的球化处理方法
Effect of Nodulizing Process Temperature on Ductile Iron Production with Tundish-Cover Spheroidizing Process 球化处理温度对盖包法生产球墨铸铁的影响
With the increasing of the RE oxide content in the ductile iron liquid, the nodulizing grade fell and the antifading time is shortened. 随球铁铁水中稀土氧化物含量的增加,球化级别下降。
Surface Graphite Nodulizing of the Grey Iron Casting 灰铸铁件表层石墨的球化
Investigation on Cored Wire Nodulizing Process for Nodular lron Pipe Production 球墨铸铁管镁芯线球化处理工艺研究
Measuring Nodulizing Grade of Casting by Audio Frequency 音频法检测铸件的球化级别
So it does not result from poor nodulizing during the melting of cast iron, but is a kind of graphite with excess nodulizing. 因而它是1种过球化石墨,而不是铸铁过程中球化不良造成的。
Studying on Detection Nodulizing Quality of Nodular Iron Using Nondestructive Testing Technique 球墨铸铁的球化质量无损检测技术的研究
Results indicated that cerium improves the ambient temperature strength and ductility, and has the effects of deoxidation, desulphurization, grain refining, suppressing growth of grains, and nodulizing graphite. 结果表明,Ce的加入改善了合金的室温强度和塑性,并在合金中起到脱硫、脱氧,抑制晶粒长大,使石墨球化等作用。
Fuzzy evaluation model for the nodulizing grade of nodular cast iron 球墨铸铁球化级别的模糊评价模型
The production and complexity of ductile iron castings produced by investment casting are all significantly increased. However, the composition, pouring conditions, nodulizing treatment and inoculation treatment of investment casting are different from sand casting. 但是,熔模铸造球铁因其工艺特性,在成分、浇注条件等方面与砂铸不同,相应的球化处理、孕育处理也不同。