当晶粒尺寸减少时，晶粒边界或界面的体积分数有很大的增加。
As the grain size decreases, there is a significant increase in the volume fraction of grain boundaries or interfaces.
而在含有大量缺陷的晶粒边界，存在六角氮化硼的成核与生长。
The presence of hexagonal BN was due to defects within the grain boundaries of the underlying polycrystalline diamond substrates.
图17示意了用电子显微镜扫描出的沿晶粒边界产生的氢脆裂纹。
Figure 17 is a scanning electron microscope view of a typical hydrogen embrittlement crack where separation occurs along grain boundaries.
发现薄膜中晶粒的结晶取向、晶粒大小和晶粒边界条件直接影响其电畴的形态复杂程度。
It was revealed that the crystallographic orientation, dimensional sizes and boundaries of ferroelectric grains significantly affect the domain structures of thin films.
采用氧化法和晶粒边界腐蚀法对几种不同的碳钢和合金钢的奥氏体晶粒的显示进行了对比试验。
Austenite grain size of plain carbon steel and alloy steel were examined by oxidization and grain boundary etching method.
结果表明，魏氏组织针由多个块状的亚晶粒组成，亚晶粒边界由位错缠结而成，在亚晶粒内有较高的位错密度；
The results show that Widmansttten structure needle consists of many blocky subgrains that have higher dislocation density and subgrain boundary is made up of dislocation tangle.
但为了实现计算机的自动测量，需要计算机能够自动的识别晶粒以及晶粒的边界。
But grains and grain boundary must be identified automatically by computer in order to achieve computer automatic measurement.
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.
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.
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