Plane Section and Spatial Topology Distribution Characteristics of Metallic Grains in Polycrystalline
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摘要: 利用系列截面法系統地研究了一種微合金化低碳鋼奧氏體晶粒的空間及截面拓撲分布特性.實驗建立了晶粒界面數F與其截面多邊形邊數均值$\bar n$及邊數平方均值${\bar n^2}$之間的經驗關系,并進一步研究了不同拓撲級別的三維晶粒的截面拓撲分布且與多種晶粒幾何模型進行了比較分析.Abstract: A study was undertaken to reveal the plane section and spatial topology distributions of austenitic grains in a low-carbon steel using the serial section analysis. The relationships between plane section and spatial topology distribution characteristics of grains were determined experimentally. Observations and comparisons were made of the distributions of number of sides of sections of grains with different number of faces as well as those of three geometric grain models.
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Key words:
- stereology /
- topology /
- geometric model /
- grain /
- low-carbon steel
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