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ultra fine structure
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  超精细结构
     The key and most recent research results on bainite transformation obtained by Phase Transformation and Multi-Phase New Materials Research Group of Tsinghua University have been generalized in this paper,including the objective and popular existence of three-dimensional super and nanometer scale ledges, the mobility of ledge risers, internal ultra fine structure of bainitic plates, the characteristic and nature of bainitic surface reliefs, the source and formation models of bainitic carbide, STM and AFM studies of martensitic surface reliefs, etc.
     系统总结了清华大学相变及复相新材料研究组近年来在贝氏体相变领域关键性的最新研究成果,包括三维巨型及纳米台阶存在的客观性和普遍性、台阶阶面的可动性、贝氏体片条的内部超精细结构、贝氏体浮突的特征及本质、贝氏体碳化物的来源及形成模型、马氏体浮突的扫描隧道显微镜(STM)及原子力显微镜(AFM)研究;
短句来源
     The superiority of Mn B bainitic steels was exhibited in a comparison with Mo B steels. The new discoveries of morphology,microstructure,fine structure and ultra fine structure and their effect on the fracture process of steels are proposed. The reason why Mn B bainitic steels possess high properties and the principle for composition design are partly provided.
     本文叙述了Mn-B系贝氏体钢在我国的最新发展、应用状况及发展前景,与Mo-B系对比,表明Mn-B系贝氏体钢的技术和效益的优越性,阐述了贝氏体显微组织、形貌、精细结构以及超精细结构的新发展及其对贝氏体钢断裂过程的影响,在理论上部分地解释了贝氏体钢的优越性能,并提出了新的成分设计的思路。
短句来源
     The viewpoints about the formation mechanism of bainite are described as following aspects:(1)Ultra fine structure of bainite in ferrous and nonferrous alloys is discovered based on the observations using transmission electron microscopy(TEM),atom force microscopy(AFM)and scanning tunneling microscopy(STM);
     简要地总结了清华大学贝氏体相变研究组在贝氏体相变领域的主要研究成果。 包括以下方面 :①利用TEM、AFM、STM发现了钢及有色合金中的贝氏体超精细结构 ;
短句来源
  微结构
     Observation of ultrafine structure of polysaccharides from jujube with atomic force microscope
     红枣多糖微结构的原子力显微镜观测
短句来源
  “ultra fine structure”译为未确定词的双语例句
     The steel CrWMn, obtained ultrafine structure by themal-cycling, may exhibit excellent superplasticity at 710~730℃ and 0.2-0.8mm/min crosshead speed in superplastic deformation. The maximum elongation of specimen can be of up to 816% and its flow stress only 2.75kgf/mm~2. By means of the slope of curve lgσ- lgε the strain-rate sensitivity index m. is determined about 0.4.
     CrWMn钢经循环加热淬火超细化处理后,在710~730℃,拉伸夹头速率为0.2-0.8mm/min变形时均可获得极佳的超塑性,其最大延伸率达816%,而流变应力仅为2.75kgf/mm~2.利用lgσ-lgε曲线斜率法测得其应变速率敏感性指数-m值为0.4左右.
短句来源
     Ultrafine structure of XeCl excimer laser spectrum
     XeCl准分子激光的超精细光谱结构
短句来源
     Observation of Ultrafine Structure of Mitochondrial ATP Synthase and DNA with Atomic Force Microscopy
     线粒体ATP合成酶与DNA结构的原子力显微镜研究
短句来源
     ULTRAFINE STRUCTURE IN TiB WHISKER REINFORCED Ti-ALLOY MATRIX COMPOSITE
     Ti合金基复合材料精细结构
短句来源
     The ultrafine structure after laser quenching,the diffusion transformation of quenching structure in the course of the welding heating,and the plastic deformation under prepressure provide conditions for atom quick diffusion.
     激光淬火组织的超细化、淬火组织在焊接加热过程中的扩散型相变、以及预压力下的塑性变形均为原子的快速扩散提供了条件。
短句来源
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  相似匹配句对
     Preparation of Ultra - fine Powders (I)
     超微粉体的制备(一)
短句来源
     Plastics Ultra-fine Pulverulence
     塑料超细微粉体
短句来源
     MICROSTRUCTURE OF ULTRA-FINE GRAIN STEEL
     超细晶粒钢的显微组织
短句来源
     Measurement of the ultra - fine structure of He - Ne laser
     He-Ne激光波长超精细结构的测量
短句来源
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  ultra fine structure
This ultra-fine structure is important in providing a porous, highly resolving matrix for electrophoretic applications.
      


Microcline naturally deformed under amphibolite facies temperature andpressure conditions has been investigated using ultra-high voltage TEM. It isrevealed that a set of lamellae which can be seen under the microscope arenot ensolution lamellae, but deformotion ones. These lamellae lie near theplane (100). Another ultra-fine structure-glide platelet is observable nearthe deformation lamellae which differ from the platelets derived from theexsolution or precipitation of another mineral....

Microcline naturally deformed under amphibolite facies temperature andpressure conditions has been investigated using ultra-high voltage TEM. It isrevealed that a set of lamellae which can be seen under the microscope arenot ensolution lamellae, but deformotion ones. These lamellae lie near theplane (100). Another ultra-fine structure-glide platelet is observable nearthe deformation lamellae which differ from the platelets derived from theexsolution or precipitation of another mineral. It may be due to the deforma-tion of the mineral. All deformation lamellae, glide platelets and commonstack faults parallel to each other seem to have been formed as a resultof the movement of partial dislocation along the same glide plane.

本文利用超高压透射电子显微镜对在相当于角闪岩相条件下天然变形的微斜长石进行了初步研究。研究发现,光学显微镜下看到的一组平行细纹不是出浴条纹,而是变形条带。另一种超显微构造——滑动小叶片见于变形条带邻区,它们和另一相矿物出港或沉淀形成的小叶片不同,是由矿物的变形造成的。变形条带、滑动小叶片以及比较常见的堆垛层错都相互平行,看来都是由分位错沿同一类型的滑移面运动形成的。

The key and most recent research results on bainite transformation obtained by Phase Transformation and Multi-Phase New Materials Research Group of Tsinghua University have been generalized in this paper,including the objective and popular existence of three-dimensional super and nanometer scale ledges, the mobility of ledge risers, internal ultra fine structure of bainitic plates, the characteristic and nature of bainitic surface reliefs, the source and formation models of bainitic carbide, STM and AFM...

The key and most recent research results on bainite transformation obtained by Phase Transformation and Multi-Phase New Materials Research Group of Tsinghua University have been generalized in this paper,including the objective and popular existence of three-dimensional super and nanometer scale ledges, the mobility of ledge risers, internal ultra fine structure of bainitic plates, the characteristic and nature of bainitic surface reliefs, the source and formation models of bainitic carbide, STM and AFM studies of martensitic surface reliefs, etc. The sympathetic nucleation and ledgewise growth (SNLG) formation mechanism of bainite has been further described, and applied to interpret the multi-layer complicated substructure. Also the industrial application of air-cooled bainitic/martensitic duplex phase steel has been related.

系统总结了清华大学相变及复相新材料研究组近年来在贝氏体相变领域关键性的最新研究成果,包括三维巨型及纳米台阶存在的客观性和普遍性、台阶阶面的可动性、贝氏体片条的内部超精细结构、贝氏体浮突的特征及本质、贝氏体碳化物的来源及形成模型、马氏体浮突的扫描隧道显微镜(STM)及原子力显微镜(AFM)研究;进一步论述贝氏体相变的激发形核-台阶长大(SNLG)机制,并用SNLG机制解释了贝氏体的多层次复杂亚结构;同时,还论述了空冷贝氏体/马氏体复相钢的工业应用。

The recent development and application of Mn B bainitic steels in China are presented in this paper.The superiority of Mn B bainitic steels was exhibited in a comparison with Mo B steels.The new discoveries of morphology,microstructure,fine structure and ultra fine structure and their effect on the fracture process of steels are proposed.The reason why Mn B bainitic steels possess high properties and the principle for...

The recent development and application of Mn B bainitic steels in China are presented in this paper.The superiority of Mn B bainitic steels was exhibited in a comparison with Mo B steels.The new discoveries of morphology,microstructure,fine structure and ultra fine structure and their effect on the fracture process of steels are proposed.The reason why Mn B bainitic steels possess high properties and the principle for composition design are partly provided.

本文叙述了Mn-B系贝氏体钢在我国的最新发展、应用状况及发展前景,与Mo-B系对比,表明Mn-B系贝氏体钢的技术和效益的优越性,阐述了贝氏体显微组织、形貌、精细结构以及超精细结构的新发展及其对贝氏体钢断裂过程的影响,在理论上部分地解释了贝氏体钢的优越性能,并提出了新的成分设计的思路。

 
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