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其典型的显微组织为层片状珠光体。Its typic microstructure calls lamellar pearlite.

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.

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球化退火可使片状珠光体变成球状珠光体。By spheroidizing, the lamellar pearlite can be transformed into nodular pearlite.

轴承钢超快冷却有助于珠光体获得更好的球化效果。The ultra-fast cooling process contributes to good spheroidal effect of pearlite.

下珠光体区停留促进贝茵体的形核过程。Holding in the lower pearlite range accelerates subsequent transformation to bainite.

建议他们用珍珠岩改良建筑的结构。Specialists suggested that they use pearlite to improve the structure of the building.

根据断口分析所得结果，对珠光体球铁具有良好小能多冲抗力的原因进行了讨论。It is discussed why pearlite ductile iron has good resistance of small energy multiimpact.

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本合金的似波来体组织存在之上限温度是介于600至550℃之间。The upper limit temperature of the pearlite transformation was found between 600 to 550oC.

通过二次随流孕育，稳定生产铸态珠光体球铁曲轴的生产工艺。Crankshafts of as cast pearlite ductile iron have been produced stably by double random inoculation.

大专5人。中专10人，主要生产和开发珍珠岩系列新产品。Tertiary 5. Vocational 10 people, mostly pearlite series production and development of new products.

国家建设部一度下文限制使用膨胀珍珠岩作为内保温浆料。The national construction ministry once below limit the use of expansive pearlite as insulation slurry.

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

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中碳钢的强、硬度主要取决于珠光体团的直径、铁素体的大小和分布。The mechanical properties of the middle carbon steel dependent on the size of ferrite grain and pearlite lump.

还讨论了石墨片的空间取向对珠光体团剥落的影响。The influence of the orientations of the flake graphites on the spallation of pearlite colony is also discussed.

本文采用DSC法研究了形变含铝、铌低合金钢组织中珠光体→奥氏体的相变动力学。The phase transformation kinetics of pearlite to austenite in low alloy steel was studied by the methods of DSC.

根据珠光体片层垂直于观察截面的片层间距，可以得到该珠光体团的真实片层间距。True pearlite interlamellar spacing of 82B steel billet can be obtained according to the results of vertical lamellar.

因而有必要研究珠光体耐热钢的损伤规律及安全评估技术。Therefore it is necessary to research the damage law and security access technology of the pearlite heat resistant steels.

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另外本文在研究过程中，发现在锻造和正火条件下得到了粒状珠光体，这在球墨铸钢领域里是未见报道的。During the study, spheroidal pearlite of spheroidal-graphit cast steel has been achieved after hot-forging or normalizing first.

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.

采用金相法研究了由片状珠光体可锻铸铁转变为粒状珠光体基体的球化退火工艺。A granulation annealing process to change the flake pearlite of malleable iron into granular pearlite was studied with metallography method.