工具钢通常要用球化来提高切削性。
Tool steels are normally spheroidized to improve machinability.
讨论了残留碳化物在球化过程中的作用。
The action of the residual carbides during the spheroidizing annealing was discussed.
再结晶是形变组织球化过程的必要条件。
Recrystallization is the necessary condition for spheroidization of the deformed texture.
变形程度是影响片状组织球化的主要因素。
The deformation degree is the major factor of globularization.
文章对传统等温球化退火工艺进行了改进。
The improvement of the conventional isothermal annealing was also explored in this article.
布氏硬度最大将达到223，具有球化结构。
Brinell hardness will be 223 maximum with a spheroidized structure.
研究石墨球化质量对球墨铸铁断裂韧性的影响。
The graphite globularity quality of ductile iron with fracture toughness has been discussed.
球化是使渗碳体产生成类似球状分布结构的工艺。
Spheroidizing is the process of producing a structure in which the cementite is in a spheroidal distribution.
介绍了音频法检测铸件球化级别的原理及试验结果。
This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method.
本文介绍了几种快速球化退火工艺及其原理和应用。
This paper introduces various kinds of fast spheroidizing annealing processes, their principles and their applications.
结果表明：珠光体温变形显著加快了碳化物球化过程。
Results showed that warm deformation of pearlite will accelerate greatly the spheroidizing process.
对呋喃树脂砂球墨铸铁件表层球化衰退原因进行了分析。
The reason causing nodularization degeneration in surface layer of furan resin sand nodular iron castings was analyzed.
但若P元素过量时，则会因熔体粘度过低而导致球化现象。
Whereas, with excessive P addition, an extremely low melt viscosity causes balling phenomena.
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 study also indicates that the Bubble Theory can well explain the phenomena of the graphite spheroidizing.
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 effects of residual carbides on the carbide spheroidizing during the slow-cooling spheroidizing annealing were investigated in three steels.
结果表明，残留碳化物形貌和数目是影响球化的两个关键因素。
The results show that both shape and number of residual carbides are two key parameters affecting the spheroidization.
模拟结果反映了颗粒间接触，烧结颈生长和气孔球化的微观过程。
The simulation results reflect the microscopic process such as grain contact, sintering neck growth and pore spheroidization.
着重论述了材质选择、球化孕育处理和离心铸造工艺参数控制等问题。
The problems of material selection, nodularizing and inoculation treatment and the technical parameter control of the centrifugal casting are mainly discussed.
提高球化热处理的加热温度或延长其保温时间，都有利于碳化物的团球化。
It is found that raising the temperature and prolonging soaking time of spheroidizing heat treatment promoting the spheroidization of carbides.
用于剪毛机刀片代替球化退火作毛坯预处理，淬火后刀片寿命大幅度提高。
The life of the sheep shearing machine cutter after quenching is improved largely by using the new process instead of traditional spheroidizing annealing.
在液相线附近，晶粒尺寸随着浇铸温度的降低而逐渐减小并呈球化的趋势。
In the liquidus nearby, the grains size becomes coarse with increasing of casting temperature.
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 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.
残留碳化物只有以点状存在才能使碳化物球化，其数目越多，球化效果越好。
The carbides can be spheroidized only when residual carbides exist as point-like shape, and the more their number is, the better the result of spheroidization.
着重论述了材质选择，球化孕育处理，热处理和离心铸造工艺参数控制等问题。
It emphatically discussed the problems such as material selection, spheroidizing inoculation treatment, heat treatment, technological parameter control of centrifugal casting, etc.
研究了锻造后的冷却速度对T10钢等用球化退火加热温度和保温时间的影响。
The influences of cooling rate after the forge on the heating temperature and time of apheroidized annealing of steel T10 was studied.
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。
Some observations of voids formation were carried out by using low carbon steel with three kinds of heat-treatment, namely, normalizing, annealing and spheroidizing.
通过统计分析，研究了高珠光体含量球铁的基体硬度与球化率和珠光体含量的关系。
By statistical analysis, the relationship between the matrix hardness of the high pearlite-containing nodular iron and its nodularity and pearlite content was investigated.
正确测定球墨铸铁中石墨大小及球化率，是对球墨铸铁组织性能进行评定的基本要求。
It is a basic demand for evaluating the microstructure and performance to determine the graphite size and its spheroidization rate in nodular cast iron.
正确测定球墨铸铁中石墨大小及球化率，是对球墨铸铁组织性能进行评定的基本要求。
It is a basic demand for evaluating the microstructure and performance to determine the graphite size and its spheroidization rate in nodular cast iron.
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