Spheroidizing is a form of annealing which, in the process of heating and cooling steel, produces a rounded or globular form of carbide& the hard constituent in steel. 球化是退火的一种,此工艺中加热与冷却钢材,钢材内部产生圆形或球状碳化粒子,碳化粒子是钢材的硬质部分。
Effect of different spheroidizers with rare earth ferrosilicon alloy melted by different melting method on the spheroidizing ability is different. 用不同熔炼方法熔炼的稀土硅铁合金熔制的球化剂对铸铁中石墨的球化能力的影响是不同的。
Spheroidizing is the process of producing a structure in which the cementite is in a spheroidal distribution. 球化是使渗碳体产生成类似球状分布结构的工艺。
Spheroidizing Process for Cementite of Steel T12 and Its Microscopic Structure T12钢渗碳体球化处理及其显微组织
The action of the residual carbides during the spheroidizing annealing was discussed. 讨论了残留碳化物在球化过程中的作用。
The spheroidizing annealing of gear blank to be precision-forged is a crucial procedure. 精锻齿坯的球化退火是精锻齿轮的关键工序之一。
Spheroidizing Mechanism of Graphite in Solidification of Fe-C-Si Alloy Fe-C-Si合金凝固过程中石墨的球化机理研究
Abstract: this paper introduces one of the spheroidizing treatment tundishes and the using situation at home and abroad now, the basic principle of design, structure, process character of tundish and the using effect in our company is simply described also. 文摘:介绍了一种球化处理专用盖包及目前国内外的使用情况,简述了盖包设计的基本原理、结构、工艺特点及在本厂生产中的应用效果。
The spheroidizing annealing treatment of 60 Steel cold-drawn wire is researched in this paper. 研究了60钢冷拔钢丝的球化退火工艺。
Through the analysis of and study on the graphite nucleus in low carbon ductile iron, the influencing regularity of the nucleus'shape and its substantial composition on the graphite spheroidizing was discussed. 通过对低碳球铁中球状石墨核心的分析和研究,探讨了核心形状及其物质构成对低碳球铁中石墨球化的影响规律。
By means of appropriate spheroidizing treatment on the liquid of steel, casting structure direct acquire certain quantitative spheroidal graphite 、 carbide and pearlite, reduces the content of harmful impurity effectively. 通过对钢液进行适当的球化处理,铸态组织直接获得一定数量的球状石墨、碳化物和珠光体,并有效地降低有害杂质的含量。
The effect of Al-Mg alloy on liquid iron spheroidizing result has been investigated. The Al-Mg alloy waste was selected as spheroidizing agent. 选用Al-Mg合金废料作为球化剂,研究了Al-Mg合金对铁水的球化效果。
To do anneal process of bearing steel wire rod experiments with the furnace, a set of spheroidizing and recrystallization annealing process is found out. 对轴承钢盘条在强对流罩式炉中的退火工艺进行试验,摸索出一套球化退火和再结晶退火工艺。
These results are related to the carbides 'precipitation, the carbon migration, the stress relief and the carbides' spheroidizing trend of the pearlite. 该结果与组织中碳化物的析出和碳迁移、应力松弛以及珠光体中碳化物的球化倾向等不利因素有关。
The study also indicates that the Bubble Theory can well explain the phenomena of the graphite spheroidizing. 结果还表明,气泡理论的确可以较好地解释石墨的球化现象。
The spheroidizing grow, in isothermal spheroidizing process, of carbides formed from deformation under high temperature in, hypoeutectic white cast iron is studied. 对亚共晶白口铸铁经高温形变后所获得的碳化物在等温球化过程中球化长大进行了研究。
Study on the Mechanism of the Austenite of Inhomogenous Carbon Concentration in Spheroidizing Annealing 奥氏体碳浓度不均匀在球化退火中作用机理的研究
This paper introduces various kinds of fast spheroidizing annealing processes, their principles and their applications. 本文介绍了几种快速球化退火工艺及其原理和应用。
This paper emphatically analyses the spheroidizing mechanism and the shape of spheroidal graphite. 本文重点探讨了石墨球化的机理及石墨球形态。
Melting methods for pure molten iron, spheroidizing treatment methods of molten iron, proportioning method of nodulizer, inoculating treatment methods, matching usage of copper and molybdenum alloy, etc. are introduced in detail. 介绍了获得纯净铁水的熔炼方法、铁水的球化处理方法及球化剂的配比、孕育处理方法、铜与钼合金的配合使用方法等。
Some observations of voids formation were carried out by using low carbon steel with three kinds of heat-treatment, namely, normalizing, annealing and spheroidizing. 对三种不同热处理(正火、退火、球化)的低碳钢中微空洞的形成进行了一些观测。
A new inoculant SG allied with rare earth ferro silico instead magnesium as a spheroidizing agent was investigated. 本文研究用稀土硅铁和SG变质剂作联合球化剂,而不用含镁的合金来处理球墨铸铁。
Results showed that warm deformation of pearlite will accelerate greatly the spheroidizing process. 结果表明:珠光体温变形显著加快了碳化物球化过程。
The effects of residual carbides on the carbide spheroidizing during the slow-cooling spheroidizing annealing were investigated in three steels. 研究了三种钢在缓冷法球化处理中残留碳化物对球化的影响。
The process of microstructure evolution during remelting includes spheroidization preparation, grains refining and spheroidizing, and grains growth. 研究还表明,重熔组织演化过程分球化预备、固相颗粒细化和球化及固相颗粒长大3个阶段。
Tool& mould steel should be carried spheroidizing annealing after forging or rolling, due to high carbon and high alloy content, in order to homogeneous microstructure, decrease hardness and convenience to machining. 工模具钢由于合金元素和含碳量都较高,在锻轧后都要进行球化退火处理,以均匀组织和降低硬度,方便模具的机械加工。
The spheroidizing of cathode material particles is the best way to improve tap density and volumetric capacity. 正极材料粉体颗粒的球形化是提高材料振实密度和体积比容量的有效途径。
The spheroidizing process applies improved pour-over nodularizing treating process. 球化工艺采用改进型冲入法,通过多次试验证明,这种球化工艺对粉体球化剂进行球化处理起到了至关重要的作用。