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1)  lower bainite nucleation
下贝氏体形核
2)  Low Bainite
下贝氏体
1.
The Morphology Character of Low Bainite of GCr15 Bearing Steel;
GCr15钢下贝氏体的形貌特征
2.
The results showed the retained austenite and low bainite in the steel were disadvantageous to wear resistance of cold working die steel.
测定不同热处理条件下Cr12MoV 钢的硬度值和残留奥氏体量,并进行金相和透射电镜观察发现,钢中的残留奥氏体和下贝氏体组织对冷作模具钢的耐磨性有不利影响。
3.
The fine structure and micro appearance of the low bainite obtained by short isothermal time at 200 ℃ in Fe-0.
43Mn钢在200℃短时等温获得的下贝氏体的显微形貌及其精细结构。
3)  lower bainite
下贝氏体
1.
austempering process has obtained the matrix with lower bainite and martensite.
通过与常规淬火与回火热处理工艺比较,研究了不同等温淬火热处理工艺对高铬耐磨铸铁的组织与性能的影响,等温淬火热处理工艺可以获得下贝氏体和马氏体为基体的组织,既提高铸铁的冲击韧性,又显著提高冲击磨损性。
2.
The steel selected for this investigation is spring steel 50CrVA for automobile in this paper,the appropriate duplex microstructure of lower bainite and martensite was obtained through isothermal quenching and low temperature tempeing heating treatment,then the effect of duplex microstructure and tempered troostite on strength-toughness of spring steel 50CrVA is compared.
以汽车用弹簧钢50CrVA为研究对象,通过等温淬火+低温回火热处理工艺获得适当比例的回火马氏体和下贝氏体的复合组织,并在此基础上比较复相组织和回火屈氏体对弹簧钢50CrVA强韧性的影响。
3.
Morphologies and fine structure of lower bainite of GCr18Mo bearing steel were analyzed using optical microscope(OM) and transmission electron microscope(TEM),and transformation mechanism of lower bainite was discussed.
利用光学显微镜和透射电镜观察和分析了GCr18Mo轴承钢的下贝氏体组织形貌和精细结构,探讨了下贝氏体组织转变机理。
4)  quasi lower bainite
准下贝氏体
1.
Different microstructure and fine structure in quasi lower bainite of 40CrMn2Si2Mo cast steel has been studied by SEM and TEM.
利用电镜研究了40CrMn2Si2Mo铸钢准下贝氏体中变态组织及精细结构。
5)  Bainite morphology
贝氏体形貌
6)  morphology of bainite
贝氏体形态
补充资料:奥氏体-贝氏体球铁
分子式:
CAS号:

性质:又叫奥-贝球铁。基体组织为奥氏体加贝氏体组织的球墨铸铁。这类球铁硅含量一般在1.4%~3.8%。含锰量小于0.5%,与普通球铁比较硅偏高、锰偏低。通过调节化学成分与热处理获得理想的奥-贝球铁的基体组织为针状贝氏体或无碳贝氏体一富碳奥氏体。这类球铁具有优良的综合机械性能、强度高、耐磨性好、韧性好、特别是有高的缺口韧性,可代替钢,用于制作重要受力结构件,如曲轴、齿轮、凸轮轴等。

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