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author:

傅高升 (傅高升.) [1] | 任立英 (任立英.) [2] | 孙锋山 (孙锋山.) [3] | 陈文哲 (陈文哲.) [4] | 钱匡武 (钱匡武.) [5]

Abstract:

研究了添加剂对纯铝中富Fe(Si)杂质相的变质作用及其规律,并详细探讨了添加剂的变质行为。结果表明:添加剂的组成是影响其变质效果的关键因素;M_3添加剂是一种有效的变质剂,使得杂质相变为细小的团球状或短棒状;其变质机理主要是因RE在固/液界面前沿的富集,导致了RE进入杂质相或吸附在其表面阻碍其长大;采用加入量0.07%、加入温度740℃、静置时间10min是M_3添剂的最佳处理工艺。

Keyword:

富Fe杂质相 工业纯铝 杂质相变质 添加剂

Community:

  • [ 1 ] 福州大学机械工程系

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Year: 2000

Language: Chinese

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 4

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