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- The microstructures of the carburized layer consist of fine martensite with a small amount of retained austenite in surface layer and lath martensite with acicular bainite in ransition l... 表层组织为细小分散马氏体+少量残留奥氏体,过渡层为针状贝氏体+板条马氏体,心部主要为束状贝氏体。渗层耐磨性好,基体力学性能优良,能很好地满足齿轮的服役条件。
- Bainite can be classified into upper bainite and lower bainite. 贝氏体分上贝氏体和下贝氏体。
- Features and classification of bainite transition was described in detail. 摘要详细介绍了贝氏体相变的特征及其分类。
- The microstructure of isothermally-quenched ductile iron (ADI) is a mixture structure consisting of austenite plus acicular ferrite. 摘要等温淬火球铁的显微组织由奥氏体加针状铁素体的混合组织组成。
- By observing microstructures , we find they may form spheroidal A,acicular A and feathery A . 组织观察发现,除形成球状A、针状A外,还形成羽毛状A。
- The extract was further purified by column chromatography to get the acicular crystals of reserpine of 99. 将萃取所得产物用硅胶柱色谱进一步分离提纯;得到了质量分数为99.;8%25的利血平针状结晶。
- A double acicular electrostatic device was designed.Experiments were conducted with an experimental model established. 摘要在高射程喷雾机上设计了双针电晕静电装置，并对实验模型进行了相关试验。
- The acicular and columnar shapes of aragonite crystals are preserved even after aragonite changes into calcite. 文石转变为方解石常保留文石的针状、柱状晶形，并存在于石笋沉积生长的始终。
- The transformation kinetics of lower bainite was investigated with an image-analyzer. 借助于图像分析仪分析了下贝氏体转变动力学。
- The iron content of grainy crystal was the most, acicular crystal taking second place. 表面有粒状析晶的磁珠中铁含量最高，针状析晶磁珠次之。
- Brief Discussion on Nucleation and Growth in Bainite Formation--Reply to Prof. Kang Mo-kuang et al. 简论贝氏体相变的形核与长大--复康沫狂教授等。
- Herbs annual; bracts of female flowers connate to apex, both sides with an acicular appendage near apex. 一年生草本雌花苞片在先端合生，两面具一针状的附属物近先端。
- Granular bainite, which is obtained in these steels by air-cooling, consists of the ferrite of upper-bainite-ty... 粒状贝氏体由上贝氏体型铁素体和小岛组成,其形态分为两种,长条型和颗粒型。
- A hard supersaturated solid solution of iron characterized by an acicular (needle-like) microstructure. 一种以针尖状微观结构为特征的铁的硬饱和的固溶体。
- The large coarsened martensite and grainy bainite are the internal causes of brittlement. 粗大的马氏体和焊接过程产生的粒状贝氏体是脆化的内在原因.
- Branchlets black-brown, terete, glabrous or sparsely acicular hirsute, with elliptic lenticels. 小枝黑棕色，圆柱状，无毛或者稀少针状多毛，带有椭圆的皮孔。
- Calyx lobes 5, unequal; 2 larger lobes oblanceolate, dentate to pinnatifid; other 3 lobes acicular, entire. 萼裂片5，不等长；2更大的裂片倒披针形，具牙齿的到羽状半裂；其他3裂片针状，全缘。
- Essentially, hardness lag of the alloyed Bainite ductile cast iron resulted from solute drag-like effect. 贝氏体球墨铸铁有性能滞后现象，其实质是溶质类拖曳作用。
- Spheroidal austenite and acicular austenite can be seen during the austenitizing courses at low speed. 慢速加热奥氏体化过程中,观察到球状奥氏体和针状奥氏体。
- The micro-structure of fracture surface of HAZ is of granular bainite, with characteristics of coarse crystal zone. 热影响区断口表层剖面组织为粒状贝氏体，显示出粗晶区的特征。
