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中国铝业的高镁铝合金产品是在青海分公司铸造厂试制出的

12月 13, 2013   //   by yxkj   //   行业新闻  //  0 评论

中国铝业的高镁铝合金产品是在青海分公司铸造厂试制出的。由于5083铝合金镁含量较高,熔体表面氧化膜疏松,导致主要成份镁烧损严重,给配料工作造成困难,同时熔体氧化膜致密性差,在铸锭表面易产生氧化、夹杂等缺陷,引起铸锭表面产生裂纹。针对此难题,该厂及时组织技术人员进行攻关。提高氧化膜致密度,以降低镁的烧损。为了更好地将镁加入熔体中,在操作前彻底清除熔体表面浮渣,及时在熔体表面覆盖熔剂。为了提高配料精度,该厂要求配料人员在配制5083高镁合金时,使用新的添加剂,提高配料的成功率。他们还结合扁锭生产的关键环节,及时制定了工艺环节跟踪表,由分厂技术人员每天按照工艺要求,对生产进行跟踪,记录生产数据进行反馈,使质量缺陷及违规操作得到了及时纠正。

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