并用透射电镜、扫描电镜研究了珠光体组织的演变特点和渗碳体的变形。
The microstructure evolution of pearlitic steel in ECAP was investigated by means of transmission electron microscope and scanning electron microscope.
同时可以获得细小的铁素体和珠光体组织，各项指标满足国家标准的要求。
The fine ferrite and pearlite were obtained in the meantime and all kinds of properties can meet the request of national standard.
次表面为变形的片状珠光体组织，片状碳化物发生碎化，硬度也有一定的提高。
The sub surface were deformed pearlite, the flake carbides were broken, and the hardness increased.
与调质回火马氏体组织不同，氧含量对铁素体-珠光体组织的疲劳性能没有明显的影响。
Unlike that of tempered martensite structure, there is little effect of oxygen content on the fatigue properties of ferrite-pearlite steel.
该方程不仅适合微合金中碳钢的铁素体和珠光体组织，而且也适合高碳微合金钢的珠光体组织和低碳微合金钢的铁素体组织。
The equations suit not only ferrite and pearlite in microalloyed medium carbon steel but also pearlite in high carbon microalloyed steel and ferrite in low carbon microalloyed steel.
结果表明，对于亚共析钢，在中温区变形、保温后可使先共析铁素体和珠光体组织大大细化，显著改善钢中铁素体和珠光体的分布状况；
The results show that, in hypoeutectoid steels, deformation at medium temperature may fine the structure and improve the distribution of ferrite and pearlite greatly;
使用状态的组织为细晶粒的铁素体—珠光体，强度比普通碳素结构钢Q235高约20%～30%，耐大气腐蚀性能高20%～38%。
Using the state of the organization for the fine grain ferrite pearlite, strength than ordinary carbon structural steel Q235 about 20% ~ 30%, high atmospheric corrosion resistance of 20% ~ 38%.
作为结果的组织结构是初步的共析铁素体(在共析反应前的铁素体)和部分珠光体的混合物。
The resulting structure is a mixture of primary or pro-eutectoid ferrite (ferrite that formed above the eutectoid reaction) and regions of pearlite.
珠光体钢轨钢的组织与性能之间的关系、合金元素的作用机理一直是人们不断研究的课题。
Relationship between microstructure of pearlitic rail steels and mechanical properties, and the effects of alloying elements are subject, which people have always been studying.
结果表明，这种黑色团状异常组织是由片间距不同的团状珠光体组成。
The experimental results show that this block and black round structure is composed of pearlite blocks with variable plate intervals.
在过去几十年X 70级管线钢的典型组织一直是铁素体-珠光体。
In the past decades of years the typical structure of pipeline steel X70 was the ferrite-pearlite.
经金相分析发现，其金相组织出现了珠光体中度球化现象。
The metallographic analysis found mild spheroidization of pearlite in metallographic structures.
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。
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.
结果表明在相当大的冷却速度范围内，可获得稳定体积百分含量的细片状珠光体加铁素体组织。
The result shows that in a great scope of cooling rates, constant percentage of fine pearlite and ferrite can be obtained.
经批生产考核，精铸球铁铸件的金相组织可达到球化级别2级，石墨球大小6级，珠光体含量10 %的要求。
Some batches of production showed that microstructure of nodular iron in investment casting can reach to 2 grade nodularization, 6 grade nodule size and 10% pearlite.
试验结果及分析表明：调整珠光体- 贝氏体组织比例能够提高合金结构钢耐海水腐蚀性能和力学性能。
Possibility of improving seawater corrosion resistance for alloyed structure steels by the adjusting ratio of ferrite to bainite microstructure has also been discussed in this article.
相变后的最终组织为大量铁素体加部分珠光体。
The microstructure after phase transformation consists of ferrite mainly and some pearlites.
组织分析发现，未溶碳化物可成为珠光体转变的核心，促进珠光体转变。
The microstructure analyses find that remaining carbide could be a nucleus of pearlite transformation and accelerate pearlite transformation.
强度较低的试样中第二相组织为团状珠光体。
The second microstructure in lower strength samples is agglomerate pearlite.
最后讲述了珠光体生长的台阶机制及一些非铁碳合金的共析组织。
At the last, the steps mechanism of pearlitic growing and some eutectoid structures of non Fe-C alloys are pointed out.
SS400的显微组织为铁素体、珠光体和少量的贝氏体。
The microstructures of super-steel SS400 were composed of ferrite, the pearlite and small amount of bainite.
其典型的显微组织为层片状珠光体。
金相组织是细珠光体和碳化物。
铸件金相组织与硬度及磁性有对应关系，铸件的珠光体多则硬度高、磁性差。
Different metallographic constitutions in castings have their corresponding magnetism and hardness. The more the content of pearlite, the harder and the lesser magnetic the casting is.
课题是对影响珠光体可锻铸铁组织及性能的因素进行研究，从而优化珠光体可锻铸铁热处理工艺。
This paper studies the process of heat treatment of particle pearlite malleable cast iron by the way of microstructure.
基体组织：珠光体含量不小于90%，碳化物不大于1%；
Matrix: Pearlite should be more than 90% with carbide less than 1%;
基体组织：珠光体含量不小于90%，碳化物不大于1%；
Matrix: Pearlite should be more than 90% with carbide less than 1%;
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