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  • Volume 13 Issue 6
    Oct.  2021
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    Article Contents
    Song Weixi, Xiong Zhongming, Wang Mingqiang, Dai Chunru, Su Cuiyun. The Role of RE in Centrifugal-Casting Grey Cast Iron Pipes[J]. Chinese Journal of Engineering, 1991, 13(6): 526-532. doi: 10.13374/j.issn1001-053x.1991.06.021
    Citation: Song Weixi, Xiong Zhongming, Wang Mingqiang, Dai Chunru, Su Cuiyun. The Role of RE in Centrifugal-Casting Grey Cast Iron Pipes[J]. Chinese Journal of Engineering, 1991, 13(6): 526-532. doi: 10.13374/j.issn1001-053x.1991.06.021

    The Role of RE in Centrifugal-Casting Grey Cast Iron Pipes

    doi: 10.13374/j.issn1001-053x.1991.06.021
    • Received Date: 1990-09-17
    • Rev Recd Date: 1991-07-03
    • Available Online: 2021-10-26
    • By means of OPM, SCM, EP and chemical analysis, the role of RE in centrifugal-casting grey cast iron pipes is studied. The results show that the structures are rery course and heterogeneous in glay cast iron pipes for ordinary centrifugal-casting. When a suitable quantity of RE is added into the melt during pouring, both the macro-and microstructures become fine and homo-geneous,and the degree of chemical segregation is also considerably reduced.

       

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