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| PREDICTION OF THE PROBABILITY OF SPHEROIDIZATION IN NODULAR CAST IRON BY PARAMETRIC DIAGRAM OF CHEMICAL BOND |
| Wei Yongde Harbin University of Technology |
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Cite this article:
Wei Yongde Harbin University of Technology. PREDICTION OF THE PROBABILITY OF SPHEROIDIZATION IN NODULAR CAST IRON BY PARAMETRIC DIAGRAM OF CHEMICAL BOND. Acta Metall Sin, 1979, 15(4): 559-562.
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Abstract So far the selection of a proper spheroidizing agent for nodular cast ironproduction is deduced from the experience. On the basis of the related theoriesof chemical bond an attempt was made to suggest a parametric diagram of chemi-cal bond concerning interaction between graphitic carbon and other atoms in mol-ten cast iron. Three distinguishable regions as spheroidizing, transitional and anti-spheroidizing may be designated. The element distribution in either spheroidizingor anti-spheroidizing region appears to agree fairly well with both experimentsand production practice. Furthermore, a function ρ_i has been taken as the measureof probability of spheroidization for certain elements in the spheroidizing region.
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Received: 18 April 1979
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[1] 陈念贻,键参数函数及其应用,科学出版社,1976,p.1．
[2] 戴安邦等,无机化学教程,人民教育出版社,1972,p.513． |
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