文章详细信息 关键词： 蠕墨铸铁;;REMgTiSiFe合金;;铸造性能 [gap=344]Keywords: vermicular graphite cast iron;REMgTiSiFe alloy;casting property
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It has the high mechanical property and the good casting property.
它具有较高的机械性能和良好的铸造性能。
The results of the research show that Re-Al alloying improves the casting property of H13 steel, eliminates central pipe, refines grains and carbides, reduces the amount of S and P.
经分析表明，稀土铝合金化可以明显改善H13钢顶头的铸造性能，消除了中心缩孔现象，并细化了晶粒和碳化物，降低了S、P含量。
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