晶界原子畸变和晶粒尺寸对纳米体系的交流电导有重要的影响。
The crystalline grain size and the distortion of interfacial atoms have great influence on the d.
讨论了高能晶界理论、高迁移率晶界理论、表面气氛等对高斯晶粒长大的贡献。
The effects of grain boundaries with high energy or high mobility and surface atmosphere on the growth of Goss grains are discussed.
晶粒长大到微米尺度时，变形机制主要是位错协调的晶界滑移和位错滑移塑性。
The main deformation mechanisms are dislocation accommodated grain boundary sliding and dislocation slip plasticity when the grains grow to micro size.
从两态捕获模型出发，导出了正电子平均寿命与晶粒大小之间的关系，并且预言了晶界正电子饱和捕获效应的存在。
The relationship between positron mean lifetime and grain size, based on two state trapping model, has been developed, and the saturation trapping at grain boundaries has been predicated.
结果显示，杂质元素的含量偏高和沿晶界的偏析以及不均匀的钨晶粒是造成国产钨靶表面损伤的主要原因。
The results show that high content of impurity elements, segregation along grain boundaries and uneven grain size are main reasons for the surface damage of domestic tungsten targets.
结果表明在细晶粒和塑性晶界条件下具有较好的疲劳性能。
The result shows that the better fatigue properties are achieved under the fine grain size and the plastic grain boundaries.
采用复阻抗方法测量了晶粒、晶界电阻值，初步分析了施受主的缺陷补偿机制。
The resistivities of grain and grain boundary were measured by the method of complex impedance analysis, the deficit compensation mechanism of donor acceptor was analyzed.
随着温度升高，晶粒电阻和晶界电阻逐渐降低，导电性更强。
The grain resistance and the grain boundary resistance decrease with increase of temperature, so that the electrical conductivity is improved.
变形量为40%时，轧板的晶粒形貌发生了显著变化，晶粒变得细小，晶界清晰，第二相完全消失，并出现孪晶组织。
At the time of deformation reached 40%, the appearance of the crystal changed greatly: the size refined, boundary turned clear, second phase disappeared and twin crystal structure appeared.
本文介绍利用一系列新颖的图像处理技术，实现了定量金相分析中的晶界重建和晶粒度自动评级。
A series of new techniques are adopted to set up the automatic grading system for the isolation and reconstruction of grain boundaries in quantitative metallograph analysis.
例如，葛峰的高度不随晶粒尺寸而变，而竹节峰的高度则与试样中所含的竹节晶界的数目成正比。
The height of the Ke peak is independent of the grain size while that of this peak is proportional to the number of the bamboo boundary containing in the specimen.
再结晶晶粒的生长速度与再结晶驱动力成正比，再结晶驱动力取决于晶界能和位错密度。
The growth velocity for recrystallized grain is proportional to the driving force of recrystallization, which is determined by the grain boundary energy and dislocation density.
采用平均直径法对一幅经过处理的晶界图像进行晶粒度计算。
Calculate the grain size from an image processed including grain-edge by average diameter method.
而粗大的晶粒及连续的晶界容易产生应力集中，因此合金经固溶时效后具有较低的塑性和冲击值。
However, large grain size and continuous grain boundaries combine to produce stress concentrations, thus lowering the plasticity and impact value of alloy after solution and aging treatment.
主要研究基带厚度对其立方织构、晶界角分布以及晶粒尺寸的影响。
The influence of the substrate thickness on cube texture, misorientation Angle and average grain size was studied.
实验结果显示，该方法在有效抑制伪边界的同时提取出了比较理想的晶界，为晶粒度分析创造了良好的条件。
The experiments show that the grain-boundary are obtained while the fake edges are restrained, which makes a nicer condition for grain size analysis.
采用平均直径法对一幅经过处理的晶界图像进行晶粒度计算。
The average diameter method was adopted to compute the grain size for an image processed about grain-edge.
研究指出，应变诱发再结晶对细化晶粒和提高大角度晶界分数的作用明显地影响合金的超塑性能。
It is evident that the effects of strain-induced recrystallization on grain refining and on high-angle grain boundary fraction increasing affect greatly the superplastic properties of the alloy.
在高温下，由于钡空位的增加、晶粒较细晶界较多和晶界的氧化作用等增加了材料的PTC效应。
The improvement of the PTC characteristics was induced by the more oxide of the grain boundary of the refiner particle size and an increase of the Barium vacancy.
多晶生长暂停拉伸时，新晶粒将在柱状晶顶部晶界夹角处形核并长大，而且新晶粒的晶格取向与原有晶粒的取向无关。
When pulling halts, the combination of grains occurs, and the lattice orientation of new grain is not related to the original grains.
超塑性变形的主要机制是细小晶粒的晶界滑动，适当的微量液相有利于该复合材料的高应变速率超塑性。
The dominant process of superplastic deformation is fine grain boundary sliding, and an appropriately small amount of liquid phase can enhance the high strain rate superplasticity of the composite.
熔块完全融熔去除内部晶界之后，促进了取向性晶粒结晶。
Crystallization of the particles with preferred orientation was promoted, after the removal of internal interface through complete melting of the frit particles.
结果显示，杂质元素的含量偏高和沿晶界的偏析以及不均匀的钨晶粒是造成国产钨靶表面损伤的主要原因。
The results show that high content of impurity elements, segregation along grain boundaries and uneven grain size are main reasons for the surface damage of domestic tung...
研究了硼淬透性因子与硼的晶界平衡集聚规律、钢的成分、奥氏体化温度及晶粒尺寸的关系。建立了硼的晶界平衡集聚方程。
The relationship between the boron hardenability factor and the equilibrium segregation of boron to grain boundary, the composition of steel, the austenitizing temperature, grain size was studied.
对形变后的试样进行再结晶退火后发现，再结晶形核机制为晶界弓出形核，晶界弓出方向为储存能较高的晶粒。
Upon annealing of the deformed samples, nucleation takes place at the original grain boundaries a nd the nuclei grow into the local region with the highest stored energy.
临界变形区晶粒长大的最初驱动力是晶界两侧的畸变能差。
The primary driving force of coarse grain formation in the critical deformation region is the energy difference of distortion between both sides of grain boundaries.
但是晶粒尺寸增大后晶界处因局部腐蚀电流密度增大将会在局部造成更深的腐蚀坑槽并降低耐候性；
The total quantity of corrosion surface defect is decreased due to the decrease of grain boundary energy with the increase of grain size and the atmospheric corrosion resistance is increased.
热机影响区晶粒沿流线方向拉长且有细小沉淀相在晶界上析出；
The grains are elongated along deformation lines and small precipitations occur in grain boundary of the TMAZ.
小角度晶界向较大角度晶界不断转变的结果使大角度晶界数量不断增加，最终导致晶粒显著细化。
The transformation from low Angle grain boundaries to high Angle grain boundaries makes the number of high-angle grain boundaries increase continuously and finally the grains are refined markedly.
小角度晶界向较大角度晶界不断转变的结果使大角度晶界数量不断增加，最终导致晶粒显著细化。
The transformation from low Angle grain boundaries to high Angle grain boundaries makes the number of high-angle grain boundaries increase continuously and finally the grains are refined markedly.
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