Elementary Special Structure of C/V Graphite in RE-Treated Cast Iron
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摘要: 采用定向凝固方法研究了蠕蟲狀石墨空間組織的基本形態。結果表明,蠕墨的主桿部分是一個以棱柱為基礎且在其四周有花瓣形或星影分叉的復合柱體。由偏光金相顯微鏡對蠕墨主桿橫截面的分析并結合透射電鏡的分析結果,對蠕墨在偏振光下不時出現的"中脊線"現象作出了初步的解釋。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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Key words:
- graphite cast iron /
- BE /
- spacial structure
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