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2007 , Vol. 22 >Issue 5: 979 - 984

DOI: https://doi.org/10.3724/SP.J.1077.2007.00979

研究论文

板片状Al2O3晶粒三维形状的评估方法

  • 乔瑞庆 ,
  • 肖丽
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  • 沈阳工业大学材料科学与工程学院, 沈阳 110023

收稿日期: 2006-10-13

  修回日期: 2007-01-12

  网络出版日期: 2007-09-20

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Evaluation of Three-dimensional Shape of Platelike Al2O3 Grains

  • QIAO Rui-Qing ,
  • XIAO Li
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  • School of Material Science and Engineering, Shenyang University of Technology, Shenyang 110023, China

Received date: 2006-10-13

  Revised date: 2007-01-12

  Online published: 2007-09-20

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摘要

根据Al2O3的结晶习性设计了它的多面体颗粒几何模型, 并利用随机切割系统对已知高径比的颗粒进行仿真切割, 同时通过切出的颗粒截面计算截面的长宽比算术平均值, 从而建立板片状氧化铝颗粒的高径比和其平均截面长宽比的对应关系. 在实际应用中, 可根据测量得到的板片状氧化铝陶瓷材料切面上晶粒截面的平均长径比来查询晶粒的三维参数高径比.

关键词： 板片状氧化铝晶粒; 几何模型; 长宽比; 高径比

本文引用格式

乔瑞庆 , 肖丽 . 板片状Al2O3晶粒三维形状的评估方法[J]. 无机材料学报, 2007 , 22(5) : 979 -984 . DOI: 10.3724/SP.J.1077.2007.00979

Abstract

The geometric model of Al2O3 grain is designed based on its crystal character, through randomly slicing the grain model with a given slenderness ratio with the emulation slicing system, the grain random section parameter-aspect ratio can be gotten. Then, the relationship between three-dimensional shape parameter of crystals and its two-dimensional section shape parameter can be established. In practical application, utilizing the relationship, three-dimensional shape of grains can be queried by measuring grains section parameter.

Key words： platelet Al2O3 grain; geometric model; aspect ratio; slenderness ratio

参考文献

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