| 确保大断面球墨铸铁件质量的措施 |
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| 引用本文： | 戴塘顺.确保大断面球墨铸铁件质量的措施[J].现代铸铁,2003(3):28-29. |
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| 作者姓名： | 戴塘顺 |
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| 作者单位： | 天津新港船厂,铸造车间,天津,300000 |
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| 摘 要： | 采用冲天炉熔化,中频炉内脱硫和升温,采用稀土镁做球化剂,进行多次孕育处理并加入微量锑,能防止大断面球铁件发生球化衰退、石墨畸变和球数减少等缺陷。
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| 关 键 词： | 球墨铸铁 大断面 球化衰退 孕育处理 |
| 文章编号： | 1003-8345(2003)03-0028-02 |
| 修稿时间： | 2002年10月17 |
Measures to Guarantee Quality of Heavy Section Nodular Iron |
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| DAI,Tang-shun.Measures to Guarantee Quality of Heavy Section Nodular Iron[J].Modern Cast Iron,2003(3):28-29. |
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| Authors: | DAI Tang-shun |
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| Abstract: | Some common defects of the heavy section nodular iron castings such as nodularization de-generation,graphite distortion and reduction of nodular graphite count could be prevented by adopting following measures:using cupola to melt iron,desulphurizing and raising temperature in medium frequen-cy induction furnace,using RE-Mg-Si-Fe alloy as nodulizing agent ,running multiple inoculation treat-ment and adding trace amount of antimony. |
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| Keywords: | nodular iron heavy section nodularization degeneration inoculation |
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