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内冷铁在熔模铸造上的应用 被引量:3

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摘要 熔模铸造同砂型铸造一样,冷铁也是用来控制铸件凝固常用的一种激冷物;尤以铸钢件应用最多。然而在熔模铸造中由于存在焙烧这一特殊工艺,使冷铁经焙烧而氧化,无法使之激冷金属液,故迄今难以普遍应用。这次我厂为美国阿特拉斯国际公司(Atlas international)制做的一批大型精铸件中,局部有厚大热节,产生了严重的缩孔缺陷。对此我们通过多次工艺分析、试验、试生产,终于将内冷铁成功地应用到熔模铸造生产中;并十分有效地解决了因厚大热节而产生的缩孔缺陷。
出处 《特种铸造及有色合金》 CAS CSCD 北大核心 1991年第5期43-43,47,共2页 Special Casting & Nonferrous Alloys
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