杨文英, 宋维锡, 于丹, 郑国昱. 稀土铸铁中蠕虫状石墨空间组织的基本形态[J]. 工程科学学报, 1986, 8(2): 31-40. DOI: 10.13374/j.issn1001-053x.1986.02.003
引用本文: 杨文英, 宋维锡, 于丹, 郑国昱. 稀土铸铁中蠕虫状石墨空间组织的基本形态[J]. 工程科学学报, 1986, 8(2): 31-40. DOI: 10.13374/j.issn1001-053x.1986.02.003
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Yang Wenying, Song Weixi, Yu Dan, Zheng Guoyu. Elementary Special Structure of C/V Graphite in RE-Treated Cast Iron[J]. Chinese Journal of Engineering, 1986, 8(2): 31-40. DOI: 10.13374/j.issn1001-053x.1986.02.003
Citation: Yang Wenying, Song Weixi, Yu Dan, Zheng Guoyu. Elementary Special Structure of C/V Graphite in RE-Treated Cast Iron[J]. Chinese Journal of Engineering, 1986, 8(2): 31-40. DOI: 10.13374/j.issn1001-053x.1986.02.003
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稀土铸铁中蠕虫状石墨空间组织的基本形态

Elementary Special Structure of C/V Graphite in RE-Treated Cast Iron

    摘要
  • 摘要: 采用定向凝固方法研究了蠕虫状石墨空间组织的基本形态。结果表明,蠕墨的主杆部分是一个以棱柱为基础且在其四周有花瓣形或星影分叉的复合柱体。由偏光金相显微镜对蠕墨主杆横截面的分析并结合透射电镜的分析结果,对蠕墨在偏振光下不时出现的"中脊线"现象作出了初步的解释。

     

    Abstract: The elementary morphology of c/v graphite has been studied with unidirectional solidification specimens.The results indicate that the basic part of the branches of c/v graphite is essentialy a compound prism.The "spine line"often revealed under polarized light as the microstructure of the c/v graphite could be explained through our analysis of the structure on the transverse section of the c/v graphite branches by means of polarized light microscopy and TEM.

     

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