pearlite

Unlike that of tempered martensite structure, there is little effect of oxygen content on the fatigue properties of ferrite-pearlite steel.

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。

The lamellar cementite in the pearlite broke up and a large number of granular cementite precipitate on the ferrite boundaries.

在相邻铁素体界隅及边界上出现大量颗粒状和膜片状的渗碳体。

In conclusion, the fatigue properties of microstructure carefully controlled ferrite-pearlite steel could be as high as that of QT steel.

总之，组织精细控制的铁素体-珠光体型非调质钢的疲劳性能可达到调质钢的水平。

Too low content of pearlite after heat treatment was the main reason causing the K-9cranks to be rejected.

9曲拐质量不合格主要是由于热处理后，珠光体数量太少所引起。

and steel composed mostly of pearlite can be transformed into a hard steel.

基本由珠光体组成的钢能转化成硬质钢。

Bainite also occurs during thermal treatments at cooling rates too fast for pearlite to form, yet not rapid enough to produce martensite.

贝氏体期间也发生在热处理冷却速度太快珍珠岩形式，还没有足够的迅速产生马氏体。

The microstructure of weld bead obtained by shielded metal arc welding are massive ferrite and a little pearlite, HAZ are lath bainitic.

手工电弧焊焊缝组织主要为块状铁素体和少量珠光体，热影响区组织为板条状贝氏体组织；

To sum up, the upper bainite characterize pearlite decomposition, while the lower bainite has the impression of martensite transformation.

从整体上看，上贝氏体具有某些珠光体分解的特征；而下贝氏体则具有马氏体相变的特征。

The relationship between the pearlite inter- lamellar spacing and deformed microstructure is also discussed.

同时对珠光体片层间距与变形组织的关系进行了分析讨论。

It was found by experiments thatboron increased the growth rate of pearlite, both in hypoeutectoid and eutectoid steels.

硼有加速珠光体成长率的作用，无论在亚共析或共析钢中皆有同样的现象产生。

By spheroidizing, the lamellar pearlite can be transformed into nodular pearlite.

球化退火可使片状珠光体变成球状珠光体。

The experimental research on the apparent conductivity of pearlite in different particle sizes and different vacuity is reported.

实验测定了不同粒径珠光砂在不同真空度下的表观导热系数。

As the cooling rate increases, the pearlite transformation temperature gets lower.

由於冷却速度的增加，珠光体转变温度得到降低

It has been found that applied stress has significant influence on pearlite transformation.

发现外加应力对珠光体转变有显著影响。

Using metallurgical analyzers to research internal characters of wire, including the steel's grain size and pearlite.

利用金相浅析浅析仪研究钢丝的内部性质，包括钢材晶粒大小，珠光体等。

The test result shows that jointer weld is typically ferrite and pearlite structure, HAZ contains side strip ferrite.

试验结果表明，该钢焊接接头焊缝为典型的铁素体和少量的珠光体组织，HAZ（热影响区）含有侧板条铁素体。

A process for producing a steel material which includes 30 minutes or longer holding at the pearlite nose transformation completion point.

一种用于制造钢材的方法，所述方法包括在珠光体鼻尖转变完成点保持30分钟或更久。

This paper studies the process of heat treatment of particle pearlite malleable cast iron by the way of microstructure.

采用金相法研究了获得粒状珠光体可锻铸铁的热处理工艺。

Variety of deformation and change of pearlite under different temperatures has been photo ed by electron microscope.

借助电镜摄制了不同温度等条件下珠光体分解变化的情况。

Specialists suggested that they use pearlite to improve the structure of the building.

建议他们用珍珠岩改良建筑的结构。